APW7074 查看數據表（PDF） - Anpec Electronics

零件编号

产品描述 (功能)

比赛名单

APW7074

Synchronous Buck PWM Controller

Anpec Electronics 

APW7074

Electrical Characteristics (Cont.)

Unless otherwise specified, these specifications apply over VCC=12V, and TA =-20~70°C. Typical values are at

TA=25°C.

Symbol

Parameter

Test Conditions

POWER-ON RESET

Rising VCC Threshold

Falling VCC Threshold

Rising VOCSET Threshold

VOCSET Hysteresis Voltage

Rising EN threshold Voltage

EN Hysteresis Voltage

OSCILLATOR

FOSC

VOSC

Duty

Oscillator Frequency

Ramp Amplitude

Duty Cycle Range

(nominal 1.35V to 2.95V)

REFERENCE

VREF Reference Voltage

Reference Voltage Tolerance

PWM ERROR AMPLIFIER

Gain Open Loop Gain

GBWP Open Loop Bandwidth

RL = 10k, CL = 10pF (Note3)

RL = 10k, CL = 10pF (Note3)

SR Slew Rate

FB Input Current

VCOPM COMP High Voltage

RL = 10k, CL = 10pF (Note3)

VFB = 0.8V

VCOPM COMP Low Voltage

ICOMP COMP Source Current

ICOMP COMP Sink Current

GATE DRIVERS

VCOMP = 2V

VCOMP = 2V

IUGATE Upper Gate Source Current BOOT = 12V, VUGATE -VPHASE = 2V

IUGATE Upper Gate Sink Current

BOOT = 12V, VUGATE -VPHASE = 2V

ILGATE Lower Gate Source Current PVCC = 12V, VLGATE = 2V

ILGATE Lower Gate Sink Current

PVCC = 12V, VLGATE = 2V

RUGATE Upper Gate Source Impedance BOOT = 12V, IUGATE = 0.1A

RUGATE Upper Gate Sink Impedance BOOT = 12V, IUGATE = 0.1A

APW7074

Min Typ Max

9 9.5 10.0

7.5 8 8.5

1.3

0.1

1.3

0.1

255 300 345

1.6

0

100

0.80

-1

+1

88

15

6

0.1 1

5.5

0

5

5

2.6

1.05

4.9

1.4

2

3

1.6 2.4

Unit

V

V

V

V

V

V

kHz

V

%

V

%

dB

MHz

V/us

uA

V

V

mA

mA

A

A

A

A

Ω

Ω

Copyright © ANPEC Electronics Corp.

4

Rev. A.2 - Feb., 2006

www.anpec.com.tw

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