L5101(2009) 查看數據表（PDF） - Unisonic Technologies

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L5101
(Rev.:2009)

WHITE LED STEP-UP CONVERTER

Unisonic Technologies 

L5101

LINEAR INTEGRATED CIRCUIT

„ ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage

VIN

6

V

SW Voltage

VSW

33

V

FB Voltage

VFB

6

V

SHDN Voltage

VSHDN

6

V

OVP Voltage

Junction Temperature

Operating Temperature Range

Storage Temperature Range

VOVP

TJ

TOPR

TSTG

34

V

+125

℃

-20 ~ +85

℃

-40 ~ +150

℃

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

„ ELECTRICAL CHARACTERISTICS (VSHDN=3V, VIN=3V, Ta=25℃, unless otherwise specified.)

PARAMETER

Operating Voltage

Supply Current

ERROR AMPLIFIER

Feedback Voltage

FB Input Bias Current

OSCILLATOR

Switching Frequency

Maximum Duty Cycle

POWER SWITCH

SW ON Resistance

Switch Leakage Current

CONTROL INPUT

Shutdown Voltage

High

Low

OVER VOLTAGE PROTECTION

OVP Input Resistance

OVP Threshold

SYMBOL

TEST CONDITIONS

VIN

Switching

IIN Non switching

VSHDN=0V

VFB

IFB

VFB=95mV

fSW

DC

RON(SW)

ILEAK (SW)) VSW=33V

VIH(SHDN) ON

VIL(SHDN) OFF

RIN(OVP)

VTHR(OVP) 1V Hysteresis typical

MIN TYP MAX UNIT

2.5

5.5

V

2

5

mA

1

2

0.1

1.0 μA

85

95

105 mV

100

nA

0.8

1.2

1.6 MHz

85

90

%

1.4

5

Ω

0.1

1

μA

1.5

V

0.3

V

0.6

1.2

1.8 MΩ

22

27

32

V

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

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QW-R103-026.B

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