CDM10VD4XTSA1

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## **CDM10VD** 

## **Flexible 0-10V Dimming Solution** 

## **CDM10VD** 

**CDM10VD-2 CDM10VD-3 CDM10VD-4 Quality Requirement Category: Standard** 

## **Features** 

- Simplest 0-10 V design on the market. CDM10VD-Series comes with the following default settings: 

   - Minimum duty cycle 5% or 10% @1V 

   - 1kHz PWM frequency 

   - 120μA Dimmer/Resistor Bias current 

   - 9.4 V dimming voltage for 100% 

   - 1mA or 5mA output current for driving an optocoupler 

- Wide input Vcc range from 11 to 25 V plus extended range down to 6V 

- Minimum 200mV dimming hysteresis between dimming to OFF and to ON 

- Variable Frequency PWM Input Mode 

- Replaces many external components with a single chip reducing BOM and PCB space 

- Minimum variation from device to device 

## **Applications** 

- LED Drivers needing 0-10 V Dimming Circuits 

- Industrial and Commercial Dimmable Applications: Luminaires, Troffers, Downlights, Sconces, Undercabinet, Office Lighting, Signage applications, Dali-applications 

|**Product Type**|**Output current / min. Duty Cycle**|**Package**|
|---|---|---|
|CDM10VD<br>CDM10VD-2<br>CDM10VD-3<br>CDM10VD-4|5 mA / 5 %<br>5 mA / 10 %<br>1 mA / 5 %<br>1 mA / 10 %|SOT23-6<br>SOT23-6<br>SOT23-6<br>SOT23-6|



## **Description** 

CDM10V is a fully integrated 0-10 V dimming interface IC and comes in a SOT23-6 package to cover space requirements on small PCB designs. 

The device is targeted for various dimming applications in lighting. The IC can be used to transmit analog voltage based signals from a 0-10 V dimmer or a potentiometer or a PWM input of a lighting controller IC, transformed to a 5 mA/1 mA current based fixed frequency PWM signal, to directly drive an external optocoupler. To avoid flickering when dimming, the light up and the light down threshold has a minimum implemented hysteresis of 200mV. 

It replaces many components in a traditional solution and reduces BOM and PCB space significantly. 

The CDM10VD-Series ICs outputs a 0 - 100% PWM current signal at a frequency of 1 kHz with an amplitude value of 1mA or 5 mA. 

Please read the Important Notice and Warnings at the end of this document 

Datasheet **www.infineon.com** 

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## **Description** 

The duty cycle of the PWM signal can be selected to be either 5% or 10%. Dim-to-off feature is fully supported with a minimum hysteresis of 200 mV between dim-to-dark and dim-to-light. 

Embedded digital signal processing maintains minimum variations from device to device. 

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## **Table of contents** 

## **Table of contents** 

||**Features**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1|
|---|---|
||**Applications**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1|
||**Description**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1|
||**Table of contents**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3|
|**1**|**Block Diagram**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4|
|**2**|**Pin Configuration**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4|
|**3**|**Functional Description**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5|
|**4**|**Electrial Characteristics and Parameters**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11|
|**5**|**Package Dimensions**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14|
|**6**|**References**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16|
||**Revision History**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16|
||**Trademarks**. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17|



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## **Block Diagram** 

## **1** 

## **Block Diagram** 

**Figure 1 Block Diagram of the CDM10VD** 

## **2 Pin Configuration** 

## **Table 1 Pin configutation** 

|**Pin**|**Name**|**Function**|
|---|---|---|
|1|VCC|Input supply voltage|
|2|GND|GND|
|3|Iout|PWM output current|
|4|NC|GND|
|5|NC|GND|
|6|Rdim+|Dimmer current output /Voltage sense|



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## **Functional Description** 

## **3 Functional Description** 

## **Typical Application Circuit** 

## **Figure 2 Typical Application Circuit** 

_Note_ : _The Diode marked with * is for the protection of the R_ dim+ _-Pin when active dimming is used. This is because the voltage on this Pin is not allowed to be higher than V_ CC _+0.5V. It is advised to use a low leakage, low reverse current Schottky-Diode in order to not influence the dimming performance (e.g. MMSD301T1G)._ 

_Note_ : 

_The capacitor connected to the R_ dim+ _-Pin reduces the amount of coupled noise to the dimming signal. The size of this capacitance should be in the range of 2.2 - 10 nF (typ. 4.7 nF), where a small capacitor allows steeper edges of the dimming signal, a larger capacitor enhances the noise reduction._ 

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## **Functional Description** 

## **Recommended cooling area** 

In order to guarantee the full functionality of the CDM10VD device, the required cooling area has to be selected according to the graph in _**Figure 3**_ . 

**Figure 3 Cooling area over ambient temperature CDM10VD** 

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## **Functional Description** 

## **Dimming Characteristic** 

## **Table 2 PWM Output current referring to Rdim+-Pin nominal Voltage** 

|**Rdim+**|**Iout**|
|---|---|
|<0.5V (dim-to-dark)|OFF (0%)|
|0.5V…1V (dim-to-dark)|Min duty cycle 5%/10%|
|<0.7V (dim-to-bright)|OFF (0%)|
|0.7V…1V (dim-to-bright)|Min duty cycle 5%/10%|
|1V….9.4V|Min duty cycle (@ 1V)...100% (@ 9.4V)|
|>9.4V|Always active (100%)|



## **Figure 4 Dimming Characteristic with +-1% error for start- & endpoint for 5% and 10% Min Duty Cycle** 

## **Table 3 Dim2bright and dim2off thresholds** 

|**Dim2off**|**Dim2off**|**Dim2off**||**Dim2bright**|**Dim2bright**|**Dim2bright**||**Hysteresis**|
|---|---|---|---|---|---|---|---|---|
|**min**|**nom**|**max**||**min**|**nom**|**max**||**min**|
|0,35|0,5|0,65||0,55|0,7|0,85||200mV|



The CDM10VD device has two operating ranges, as seen in _**Figure 5**_ , in regards of the supply voltage VCC. The following conditions must be taken into consideration: 

- between 11 and 25V the device is fully operable and all parameters are in specification 

- between 6 and 11V the device is functional but the parameters might be out of specification 

The purpose of the extended VCC range is to use it during the off state of the LED. Here the secondary side supply voltage can be lowered down to 6V, which is sufficient to keep the CDM10VD device functional. The System has to be designed in an way that the remaining power, which is transferred to the output, is low enough so the LEDs' doesn't emit any visible light, but sufficient to keep the CDM10VD in this extended VCC range. If a voltage on the Rdim+-pin is sensed, which is higher than the dim2bright threshold, the system powers 

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## **Functional Description** 

the output to the normal operating voltage. This should also bring the VCC supply voltage to the normal operating area of the CDM10VD device where all parameters are in specification again. 

**Figure 5 Extended VCC range** 

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## **Functional Description** 

## **Variable Frequency PWM Input Mode** 

CDM10VD device can be operated in a 'frequency conversion input mode'. In this mode the PWM input signal on Rdim+ with frequencies between 100 Hz and 3 kHz will be converted to 1 kHz signal on Iout. The duty cycle between input and output signals remain at the same level. The configuration and conditions are described below. 

Variable frequency mode conditions 

**Figure 6 Timing for the Variable Frequency PWM Input Mode** 

## **Table 4 Conditions for the Variable Frequency PWM Input Mode** 

|**Condition**|**Name**|**Min**|**Nom**|**Max**|
|---|---|---|---|---|
|RdimH|Rdim+High Value|9.6 V||VCC+0,5V|
|RdimL|Rdim+Low Value|-0.5 V|0.0 V|0.5 V|
|IoutH|IoutHigh Value||RIout* IIout1||
|IoutL|IoutLow Value||0.0 V||
|tIN|Period input signal|0.33 ms|1.0 ms|10.0 ms|
|tOUT|Period ouput signal|1.0 ms - 5 %|1.0 ms|1.0ms + 5 %|
|tR|Rising edge time|||1.8 μs|
|tF|Falling edge time|||1.8 μs|



_Note_ : 1 _R_ Iout _is the resistance connected between the I_ out _and the GND-PIN. I_ out _is 1 mA or 5 mA dependent on the CDM10VD version._ 

Once the CDM10VD detects the frequency in the range 100 Hz and 3 kHz on the Rdim+ input the internal FSM will lock after min eight input signal periods. In this time the input Rdim+ signal is provided to the Iout directly, see _**Figure 7**_ . 

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**Functional Description** 

**Figure 7 Lock phase default mode** 

## **Backup mode** 

To avoid the Iout behavior during lock phase in default mode, there is an additional option described below. In normal operation Pin 5 has to be connected to the GND level. In this mode the CDM10VD selects automatically between the standard hysteresis mode and the frequency conversion mode depending on the input signal on Rdim+. Leaving the Pin 5 unconnected, the CMD10VD device will switch directly to the frequency conversion mode and the Iout pin will be tied to GND during the frequency lock phase, see _**Figure 8**_ . In this mode the standard hysteresis mode cannot be used. 

**Figure 8 Lock phase backup mode** 

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## **Electrial Characteristics and Parameters** 

## **4 Electrial Characteristics and Parameters** 

## **Table 5 Absolute Maximum Ratings** 

|**Table 5**|**Absolute Maximum**|**Ratings**|**Ratings**|||
|---|---|---|---|---|---|
|**Pin**|**Name**|**Values**||**Unit**|**Note or Test Condition**|
|||**Min.**|**Max.**|||
|1|Vcc|0|26|V||
|2|GND|0|0|V|Point of reference|
|3|Iout|-0.5|3.63|V|Depending on the<br>optocupler voltage @ 5mA<br>or 1mA|
|4|NC|-0.25|0.1|V|Connect to GND during<br>operation|
|5|NC|-0.25|0.1|V|During operation Connect to<br>GND|
|6|Rdim+|-0.5|VCC+ 0.5|V|An applied voltage above<br>max value leads to the<br>destruction of the device.<br>Also valid if VCCis 0 V.|



Absolute maximum ratings ( _**Table 5**_ ) are defined as ratings which when being exceeded may lead to destruction of the integrated circuit. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Maximum ratings are absolute ratings; exceeding only one of these values may cause irreversible damage to the integrated circuit. These values are not tested during production test. 

## **Table 6 Electrical Characteristics** 

|**Parameter**|**Symbol**|**Values**|**Values**|**Values**|**Unit**|**Note or Test**<br>**Condition**|
|---|---|---|---|---|---|---|
|||**Min.**|**Typ.**|**Max.**|||
|Input Voltage|Vin|11||25|V|Operating Voltage|
|Extended Input Voltage|Vext|6||10.9|V|Parameters might<br>be out of spec.|
|Junction Temperature<br>Range|TJ|-40||135|°C||
|Ambient Temperature<br>Range|TA|-40||105|°C|All limits<br>guaranteed|
|Startup Ambient<br>Temperature Range|TA|-55||105|°C|IC startup<br>guaranteed|
|Current Consumption|ICC|||1|mA|Current<br>Consumption of<br>the IC for self<br>supply|
|Output Current for<br>Dimmer|Idim|-5%|120|+5%|µA|Current flow out<br>of Rdim+-Pin|
|PWM frequency|fPWM|-5%|1000|+5%|Hz||
|Dimming accuracy||-1||+1|%|With active<br>dimming incl. all<br>variations|



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## **Electrial Characteristics and Parameters** 

## **Table 6 Electrical Characteristics (continued)** 

|**Parameter**|**Symbol**|**Values**|**Values**|**Values**|**Unit**|**Note or Test**<br>**Condition**|
|---|---|---|---|---|---|---|
|||**Min.**|**Typ.**|**Max.**|||
|Wake-up Time|tw|||40|µs|Time from VCC= 6<br>V to first output<br>current|
|ESD capability HBM|VHAB|||1500|V|according to<br>ANSI/ESDA/JEDEC<br>JS-001|
|ESD capability CDM|VCDM|||500||according to<br>JESD22 C101|



## **Table 7 Electrical Characteristics for CDM10VD** 

|**Parameter**|**Symbol**|**Values**|**Values**|**Values**|**Unit**|**Note or Test**<br>**Condition**|
|---|---|---|---|---|---|---|
|||**Min.**|**Typ.**|**Max.**|||
|Output Current for<br>Optocoupler|Iout|4.5|5|5.5|mA||
|Min. duty cycle|PWPWM|-0.5|5|+0.5|%|Percentage of the<br>pulse width|
|Power Dissipation|Ptot|8.25 @ 5%<br>duty cycle;|130 @ 100%<br>duty cycle<br>83.2 @ 70%<br>duty cycle<br>54 @ 50%<br>duty cycle<br>30.4 @ 30%<br>duty cycle|160 @ 100%<br>PWM & 25 Vin|mW|Dimmer current<br>included|



## **Table 8 Electrical Characteristics for CDM10VD-2** 

|**Parameter**|**Symbol**|**Values**|**Values**|**Values**|**Unit**|**Note or Test**<br>**Condition**|
|---|---|---|---|---|---|---|
|||**Min.**|**Typ.**|**Max.**|||
|Output Current for<br>Optocoupler|Iout|4.5|5|5.5|mA||
|Min. duty cycle|PWPWM|-0.5|10|+0.5|%|Percentage of the<br>pulse width|
|Power Dissipation|Ptot|11 @ 10%<br>duty cycle|130 @ 100%<br>duty cycle<br>83.2 @ 70%<br>duty cycle<br>54 @ 50%<br>duty cycle<br>30.4 @ 30%<br>duty cycle|160 @ 100%<br>PWM & 25 Vin|mW|Dimmer current<br>included|



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## **Electrial Characteristics and Parameters** 

## **Table 9 Electrical Characteristics for CDM10VD-3** 

|**Parameter**|**Symbol**|**Values**|**Values**|**Values**|**Unit**|**Note or Test**<br>**Condition**|
|---|---|---|---|---|---|---|
|||**Min.**|**Typ.**|**Max.**|||
|Output Current for<br>Optocoupler|Iout|0.9|1|1.1|mA||
|Min. duty cycle|PWPWM|-0.5|5|+0.5|%|Percentage of the<br>pulse width|
|Power Dissipation|Ptot|2.3 @ 5%<br>duty cycle|30 @ 100%<br>duty cycle<br>21 @ 70%<br>duty cycle<br>15 @ 50%<br>duty cycle<br>9 @ 30%<br>duty cycle|53 @ 100%<br>PWM & 25 Vin|mW|Dimmer current<br>included|



## **Table 10 Electrical Characteristics for CDM10VD-4** 

|**Parameter**|**Symbol**|**Values**|**Values**|**Values**|**Unit**|**Note or Test**<br>**Condition**|
|---|---|---|---|---|---|---|
|||**Min.**|**Typ.**|**Max.**|||
|Output Current for<br>Optocoupler|Iout|0.9|1|1.1|mA||
|Min. duty cycle|PWPWM|-0.5|10|+0.5|%|Percentage of the<br>pulse width|
|Power Dissipation|Ptot|2.6 @ 10%<br>duty cycle|30 @ 100%<br>duty cycle<br>21 @ 70%<br>duty cycle<br>15 @ 50%<br>duty cycle<br>9 @ 30%<br>duty cycle|53 @ 100%<br>PWM & 25 Vin|mW|Dimmer current<br>included|



_Note_ : _Please contact Infineon if you are in need of an inverted output current._ 

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## **Package Dimensions** 

## **5 Package Dimensions** 

## **Package Drawings** 

**Figure 9 Package Drawings** 

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## **Package Dimensions** 

## **Footprint** 

**Figure 10 Footprint** 

## **Packing Description** 

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Packing Type<br>Tape and Reel<br>∅ Reel: 180<br>Pieces / Reel:<br>3000<br>Reels / Box: 1<br>**----- End of picture text -----**<br>


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Figure 11 Packing<br>**----- End of picture text -----**<br>


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## **References** 

## **6 References** 

## **Related information** 

_**Please refer to the Datasheet of the CDM10V for further application related information.**_ 

## **Revision History** 

Major changes since previous revision 

|**Revision History**<br>Major changes since previous revision|**Revision History**<br>Major changes since previous revision|
|---|---|
|**Revision History**||
|**Reference**|**Description**|
|v1.0|First release|
|v1.1|Corrected value for min power dissipation in table 10.|



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## **Trademarks** 

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**Edition 2017-08-02 IMPORTANT NOTICE Published by** The information given in this document shall in no event be regarded as a guarantee of conditions or **Infineon Technologies AG** characteristics (“Beschaffenheitsgarantie”) . **81726 Munich, Germany** With respect to any examples, hints or any typical values stated herein and/or any information regarding the **© 2017 Infineon Technologies AG** application of the product, Infineon Technologies hereby disclaims any and all warranties and liabilities of **All Rights Reserved.** any kind, including without limitation warranties of non-infringement of intellectual property rights of any third party. 

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