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STLC1

LED LAMPS CLUSTER DRIVER

STMicroelectronics 

STLC1

ELECTRICAL CHARACTERISTICS FOR LOW SIDE DRIVER 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

R(on)

ILSD(off)

tLSD-ON

VLS-ON

VLS-OFF

fLSD

VIN(ON)

VIN(OFF)

Static drain to source LSD

N-channel switch on

resistance

OFF State LSD’S leakage

current

LSD Turn On Delay

FDBK Voltage over which

LSD’s are enabled

FDBK Voltage over which

LSD’s are disabled

Pulse Width Controller

Internal Oscillator

Frequency

Input Threshold voltage to

enable LSD

Input Threshold voltage to

disable LSD

VB+ = 9V,

VTURN = VB+ VTR-L = 0V

ITR-DRV=1A

VSTOP = VB+ VST-L = 0V

IST-DRV=1A

VTAIL = VB+ VTL-L = 0V

ITL-DRV=1A

VTURN = VSTOP = VTAIL =0V

VTR-DRV = VST-DRV = VTL-DRV = VB+

CREF = 1µF COUT = 220µF

(see note 2,4 and Fig 1, 2)

VTAIL = VB+ VTS-PWM = VREF/2

VB+ = 9 to 16V

VB+ = 9 to 16V

500

mΩ

500

mΩ

500

mΩ

10

µA

2

ms

0.95VFB

V

0.5VFB

V

200 380 500 Hz

0.6VB+

V

0.4VB+

V

5/16

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