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Details for TPS61169DCKR by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs
LED DRIVER BOOST 1.2MHZ SC-70-5
TPS61169DCKR image

TPS61169DCKR by Texas Instruments

LED DRIVER BOOST 1.2MHZ SC-70-5
Features
1.2-A Minimum Switch Current Limit
1.2-MHz Switching Frequency
2.7-V to 5.5-V Input Voltage
204-mV Reference Voltage
Built-in Soft-Start
Drives LED String up to 38 V
Integrated 40-V, 1.8-A MOSFET
Internal Compensation
Open LED Protection
PWM Brightness Control
Thermal Shutdown
Undervoltage Protection
Up to 90% Efficiency
Part Information
TPS61169DCKR image
RoHS Compliant
Description
With a 40-V rated integrated switch FET, the TPS61169 is a boost converter that drives LEDs in series. The boost converter has a 40-V, 1.8-A internal MOSFET with minimum 1.2-A current limit; thus it can drive single or parallel LED strings for small- to largesize panel backlighting. The default white LED current is set with the external sensor resistor, RSET, and the feedback voltage is regulated to 204 mV, as shown in the Simplified Schematic. During the operation, the LED current can be controlled by using a pulse width modulation (PWM) signal applied to the CTRL pin, through which the duty cycle determines the feedback reference voltage. The TPS61169 does not burst the LED current; therefore, it does not generate audible noises on the output capacitor. For maximum protection, the device features integrated open LED protection that disables the TPS61169 to prevent the output voltage from exceeding the absolute maximum voltage ratings of the device during open LED conditions. The TPS61169 is available in a space-saving 5-pin SC70 package.
Specifications
Device Topology:
Boost (Step Up)
Input Voltage Min:
2.7V
Input Voltage Max:
5.5V
Output Voltage Max:
38V
Output Current Max:
400mA
Switching Frequency:
1.2MHz
No. of Outputs:
1Outputs
IC Mounting:
SMD
Driver Case Style:
SC-70
No. of Pins:
5Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Output Current:
400mA
Output Voltage:
38V
Alternate Descriptions
LED DRIVER, BOOST, 1.2MHZ, SC-70-5; Device Topology:Boost (Step Up); Input Voltage Min:2.7V; Input Voltage Max:5.5V; Output Voltage Max:38V; Output Current Max:400mA; Switching Frequency:1.2MHz; No. of Outputs:1Outputs; IC RoHS Compliant: Yes Newark Electronics
LED DRVR Boost 1-CH PWM 38V 2.4A 5-Pin SC-70 T/R Avnet America
LED DRVR Boost 1-CH PWM 38V 2.4A 5-Pin SC-70 T/R Avnet Europe