APW7136A 데이터 시트보기 (PDF) - Anpec Electronics

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APW7136A

1MHz, High-Efficiency, Step-Up Converter for 2 to 8 White LEDs

Anpec Electronics 

APW7136A/B/C

Electrical Characteristics (Cont.)

(Refer to Figure 1 in the “Typical Application Circuits”. These specifications apply over VIN = 3.6V, TA = -40°C to 85°C, unless otherwise

noted. Typical values are at TA = 25°C.)

Symbol

Parameter

REFERENCE AND OUTPUT VOLTAGES

VREF Regulated Feedback Voltage

IFB

FB Input Current

INTERNAL POWER SWITCH

FSW

Switching Frequency

RON

Power Switch On Resistance

ILIM

Power Switch Current Limit

LX Leakage Current

DMAX LX Maximum Duty Cycle

OUTPUT OVER VOLTAGE PROTECTION

VOVP Over Voltage Threshold

OVP Hysteresis

OVP Leakage Current

ENABLE AND SHUTDOWN

VTEN EN Voltage Threshold

EN Voltage Hysteresis

ILEN

EN Leakage Current

OVER-TEMPERATURE PROTECTION

TOTP Over-Temperature Protection

Over-Temperature Protection

Hysteresis

Test Condition

TA = 25°C

TA = -40 ~ 85°C (TJ = -40 ~ 125°C)

FB=GND

VEN=0V, VLX=0V or 5V, VIN = 5V

APW7136A

APW7136B

APW7136C

VOVP =30V, EN=VIN

VEN Rising

VEN= 0~5V, VIN = 5V

TJ Rising

APW7136A/B/C

Unit

Min. Typ. Max.

237

250

263

mV

230

-

270

-50

-

50

nA

0.8

1.0

1.2

MHz

-

0.6

-

Ω

0.7

0.9

1.2

A

-1

-

1

µA

92

95

98

%

-

20

-

-

28

-

V

-

35

-

-

3

-

V

-

-

50

µA

0.4

0.7

1

V

-

0.1

-

V

-1

-

1

µA

-

150

-

°C

-

40

-

°C

Copyright © ANPEC Electronics Corp.

3

Rev. A.2 - Jan., 2008

www.anpec.com.tw

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