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STLC1

LED LAMPS CLUSTER DRIVER

STMicroelectronics 

STLC1

TYPICAL APPLICATION CIRCUIT

Iout

TAIL

TURN

STOP

RLR

RLS

RLT

RC1

RC2

RTR

RTS

RTT

CREF

GND

TR-DRV

TR-L

ST-DRV

ST-L

TL-DRV

TL-L

CNTL

REF

GND

GND

LMP-OUT

TS-PWM

P-OUT

FDBK

TURN

STOP

TAIL

B+

GND

IP-OUT

RF1

OUT

COUT

RF2

CSEPIC

ELECTRICAL CHARACTERISTICS FOR SMPD SECTION (TJ=-40 to 125°C unless otherwise specified.

Typical values are referred at TJ=25°C, VB+=14V)

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VB+ Supply Operating Voltage Normal Operating Range

9

Normal Operating Range - TAIL only

6

24

V

24

VSD B+ Input Overvoltage

Shutdown

28

30

32

V

ISQ

Total Off State Quiescent VB+ = 14V, VTURN = VSTOP = VTAIL

Current

=0V

120 180

µA

fosc

PWM Oscillator Frequency VB+ = 14V

140 180 240 kHz

RP(on)

Static drain to ground

SMPS N-channel switch

on resistance

VB+ = 9V,

VB+ = 14V,

IP-OUT=4A

IP-OUT=4A

180

mΩ

170

mΩ

ID(off)

P-OUT Off State leakage VB+ = 16V,

Current

20

µA

ILIMIT IP-OUT Current Limit

VB+ = 14V, VFDBK = 1V

8

12

16

A

tSMPS-ON SMPS Turn On Delay

CREF = 1µF (see note 1,4 and Fig 1, 2)

1.6

ms

VLOAD Load Regulation

VB+ = 14V, IOUT = 0.6 to 3A

VOUT = 10V

60

mV

VLINE Line Regulation

VB+ = 9 to 16V, IOUT = 1.5A

VOUT = 10V

15

mV

4/16

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