APW7120 查看數據表（PDF） - Anpec Electronics

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APW7120

5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller

Anpec Electronics 

APW7120

Recommended Operating Conditions (Note 3)

Symbol

Parameter

Range

Unit

VCC

VCC Supply Voltage

VOUT

Converter Output Voltage

VIN

Converter Input Voltage

IOUT

Converter Output Current

TA

Ambient Temperature

TJ

Junction Temperature

Note 3: Please refer to the typical application circuit.

4.5 ~ 13.2

V

0.8 ~ 80%VIN

V

2.2 ~ 13.2

V

0 ~ 20

A

-20 ~ 70

oC

-20 ~ 125

oC

Electrical Characteristics

Unless otherswise specified, these specifications apply over VCC = 12V, VBOOT = 12V and TA = -20 ~ 70oC.

Typical values are at TA = 25oC.

Symbol

Parameter

Test Conditions

APW7120

Unit

Min. Typ. Max.

SUPPLY CURRENT

IVCC VCC Nominal Supply Current

VCC Shutdown Supply Current

UGATE and LGATE Open

- 2.1 6 mA

- 1.5 4 mA

POWER-ON-RESET

Rising VCC Threshold

3.8 4.1 4.4 V

Hysteresis

0.1 0.45 0.6 V

OSCILLATOR

FOSC Free Running Frequency

∆VOSC Ramp Amplitude

REFERENCE VOLTAGE

VREF Reference Voltage

Accuracy

Line Regulation

ERROR AMPLIFIER

DC Gain

FP1 First Pole Frequency

FZ Zero Frequency

FP2 Second Pole Frequency

Average UGATE Duty Range

FB Input Current

250 300 350 kHz

-

1.5

-

VP-P

Measured at FB Pin

- 0.8 -

V

TA =25°C

-0.75 - +0.75

%

TA =-20~70°C, VCC=5V ~ 12V -1.5 - +1.5

VCC=5V ~ 12V

- 0.05 +0.3 %

- 86 -

dB

- 0.4 -

Hz

- 0.4 - kHz

- 430 - kHz

0

- 85 %

-

- 0.1 µA

Copyright © ANPEC Electronics Corp.

3

Rev. A.5 - Jun., 2008

www.anpec.com.tw

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