APW7073 データシートの表示（PDF） - Anpec Electronics

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APW7073

Synchronous Buck PWM Controller

Anpec Electronics 

APW7073

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

APW7073

Unit

Min Typ Max

POWER-ON RESET (Cont.)

Rising VOCSET Threshold

VOCSET Hysteresis Voltage

Rising EN threshold Voltage

1.3

V

0.1

V

1.3

V

EN Hysteresis Voltage

0.1

V

OSCILLATOR

Accuracy

-15

+15 %

FOSC Free Running Frequency

Adjustment Range

VOSC Ramp Amplitude

Duty Duty Cycle Range

RT = open

RT pin: resistor to GND;

resistor to VCC

(nominal 1.35V to 2.95V)

200

kHz

50

1000 kHz

1.6

V

0

100 %

REFERENCE

VREF Reference Voltage

Reference Voltage Tolerance

PWM ERROR AMPLIFIER

0.60

V

-1

+1 %

Gain Open Loop Gain

GBWP Open Loop Bandwidth

SR Slew Rate

FB Input Current

VCOPM COMP High Voltage

VCOPM COMP Low Voltage

ICOMP COMP Source Current

ICOMP COMP Sink Current

GATE DRIVERS

RL = 10k, CL = 10pF (NOTE3)

RL = 10k, CL = 10pF (NOTE3)

RL = 10k, CL = 10pF (NOTE3)

VFB = 0.6V

COMP = 2V

COMP = 2V

88

dB

15

MHz

6

V/us

0.1 1 uA

5.5

V

0

V

5

mA

5

mA

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

2.6

A

1.05

A

4.9

A

1.4

A

2

3

Ω

1.6 2.4 Ω

Copyright © ANPEC Electronics Corp.

5

Rev. A.1 - Apr., 2006

www.anpec.com.tw

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