APW7062B データシートの表示（PDF） - Anpec Electronics

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APW7062B

Synchronous Buck PWM Controller

Anpec Electronics 

APW7062B

Electrical Characteristics

Symbol

Parameter

Test Conditions

VCC SUPPLY CURRENT

ICC Nominal Supply

Shutdown Supply

EN=VCC; UGATE and LGATE

Open

EN=0V

POWER-ON-RESET

Rising VCC Threshold

Falling VCC Threshold

Enable-Input Threshold

Voltage

Rising VOCSET Threshold

VOCSET=4.5VDC

VOCSET=4.5VDC

VOCSET=4.5VDC

OSCILLATOR

Free Running Frequency

Total Variation

∆VOSC Ramp Amplitude

RT=OPEN, VCC=12

6KΩ < RT to GND < 200KΩ

RT=OPEN

REFERENCE VOLTAGE ACCURANCY

∆VREF Reference Voltage Tolerance

VREF PWM Error Amplifier

GATE DRIVERS

IUGATE Upper Gate Source

RUGATE Upper Gate Sink

ILGATE Lower Gate Source

RLGATE Lower Gate Sink

TD Dead Time

VBOOT=12V, VUGATE=6V

ILGATE=0.3A

PVCC=12V, VLGATE=6V

ILGATE=0.3A

VOUT=2.5V, IOUT=1A, RT=OPEN

PROTECTION

FB Under Voltage

IOCSET OCSET Current Source

VOCSET=4.5VDC

ISS Soft-Start Current

APW7062B

Unit

Min Typ Max

2

mA

250 350 µA

10.4 V

8.8

V

0.8

2.0 V

1.27

V

170 200 230 kHz

-15

+15 %

1.9

VP-P

-1

+1 %

0.80

V

650 800

mA

47Ω

550 700

mA

47Ω

50

ns

50

%

170 200 230 µA

8 10 12 µA

Copyright  ANPEC Electronics Corp.

4

Rev. A.3 - Mar., 2005

www.anpec.com.tw

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