SGM3141B 데이터 시트보기 (PDF) - Unspecified

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SGM3141B

700mA Buck/Boost Charge Pump LED Driver

Unspecified 

SGM3141B

700mA Buck/Boost

Charge Pump LED Driver

ELECTRICAL CHARACTERISTICS

(Full = -40℃ to +85℃, VIN = 3.6V, CIN = 4.7μF, COUT = CF = 1μF, VSHDN = VIN, typical values at +25℃, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

TEMP

MIN

Input Supply Voltage

Quiescent Current

Shutdown Current

Oscillator Frequency

VIN

IQ

ISHDN

VIN = 2.7V to 5.5V, FLASH = 0V,

ILOAD = 100μA

FLASH = VIN, 2× Mode

VEN = 0V, VIN = 5.5V

Full

2.7

Full

Charge Pump Equivalent

Resistance (2× mode)

Charge Pump Equivalent

Resistance (1× mode)

FB Reference Voltage

VFB

FLASH = VIN, RSET = 86.6kΩ

FLASH = GND

Full

131

Full

38

FB Pin Current

VFB = 0.3V

EN, FLASH Logic Low

Full

EN, FLASH Logic High

Full

1.3

EN, FLASH Pin Current

Full

VOUT Turn-On Time

Thermal Shutdown Temperature

VIN = 3.6V, FB within 90% of regulation

TYP

MAX UNITS

5.5

V

0.3

3

mA

2

1

μA

2.2

MHz

5

Ω

0.6

0.8

Ω

150

165

mV

47

54

1

μA

0.4

V

V

1

μA

250

μs

145

℃

SG Micro Corp

4

www.sg-micro.com

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