TLC6C5912 Datasheet, PDF (10/23 Pages) Texas Instruments – TLC6C5912 12-Channel Shift-Register LED Driver

TLC6C5912
SLIS180 – MAY 2016
8 Detailed Description
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8.1 Overview
The TLC6C5912 device is a monolithic, medium-voltage, low current 12-bit shift register designed to drive
relatively moderate load power such LEDs. The device contains a 12-bit serial-in, parallel-out shift register that
feeds a 12-bit D-type storage register. Thermal shutdown protection is also built-into the device.
8.2 Functional Block Diagram
G
RCK
CLR
SRCK
SER IN
D
C1
CLR
D
C1
CLR
D
C1
CLR
D
C1
CLR
D
C1
CLR
D
C1
CLR
D
C1
CLR
D
C1
CLR
D
C1
CLR
D
C1
CLR
DRAIN0
DRAIN1
DRAIN2
DRAIN3
DRAIN4
D
C1
CLR
D
C1
CLR
D
C1
CLR
D
C1
CLR
D
C1
CLR
DRAIN10
DRAIN11
GND
SER OUT
8.3 Feature Description
8.3.1 Thermal Shutdown
The device implements an internal thermal shutdown to protect itself if the junction temperature exceeds 175°C
(typical). The thermal shutdown forces the device to have an open state when the junction temperature exceeds
the thermal trip threshold. Once the junction temperature decreases to less than 160°C (typical), the device
begins to operate again.
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