APW7068(2009) 查看數據表（PDF） - Anpec Electronics

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APW7068
(Rev.:2009)

Synchronous Buck PWM and Linear Controller with 0.8V Reference Out Voltage

Anpec Electronics 

APW7068

Electrical Characteristics (Cont.)

Unless otherwise specified, these specifications apply over VCC12 = 12V, and TA =-20 ~ 70°C. Typical values are at TA = 25°C.

Symbol

Parameter

Test Conditions

APW7068

Unit

Min. Typ. Max.

REFERENCE

VREF

Reference Voltage

for Error Amp1 and Amp2

0.792 0.80 0.808 V

Reference Voltage Tolerance

-1

-

+1

%

PWM Load Regulation

IOUT1 = 0 to 10A

-

-

1

%

Linear Load Regulation

PWM ERROR AMPLIFIER

Gain Open Loop Gain

GBWP Open Loop Bandwidth

SR

Slew Rate

FB Input Current

IOUT2 = 0 to 3A

RL = 10k, CL = 10pF (Note 2)

RL = 10k, CL = 10pF (Note 2)

RL = 10k, CL = 10pF (Note 2)

VFB = 0.8V

-

-

1

%

-

93

-

dB

-

20

-

MHz

-

8

-

V/µs

-

0.1

1

µA

VCOMP COMP High Voltage

-

5

-

V

VCOMP COMP Low Voltage

-

0

-

V

ICOMP

COMP Source Current

ICOMP

COMP Sink Current

GATE DRIVERS

VCOMP = 2V

VCOMP = 2V

-

12

-

mA

-

12

-

mA

IUGATE

IUGATE

Upper Gate Source Current

Upper Gate Sink Current

VBOOT = 12V,

VUGATE - VPHASE = 2V

-

2.5

-

A

-

2

-

A

ILGATE

ILGATE

RUGATE

RUGATE

RLGATE

Lower Gate Source Current

Lower Gate Sink Current

Upper Gate Source Impedance

Upper Gate Sink Impedance

Lower Gate Source Impedance

VCC12 = 12V, VLGATE = 2V

VBOOT = 12V, IUGATE = 0.1A

VBOOT = 12V, IUGATE = 0.1A

VCC12 = 12V, ILGATE = 0.1A

-

2.5

-

A

-

3.5

-

A

-

2.25 3.375 Ω

-

0.7

1.05

Ω

-

2.25 3.375 Ω

RLGATE

TD

Lower Gate Sink Impedance

Dead Time

VCC12 = 12V, ILGATE = 0.1A

-

0.4

0.6

Ω

-

20

-

ns

LINEAR REGULATOR

Gain Open Loop Gain

GBWP Open Loop Bandwidth

SR

Slew Rate

FBL Input Current

VDRIVE DRIVE High Voltage

RL = 10k, CL = 10pF (Note 2)

RL = 10k, CL = 10pF (Note 2)

RL = 10k, CL = 10pF (Note 2)

VFBL= 0.8V

-

70

-

dB

-

19

-

MHz

-

6

-

V/µs

-

0.1

1

µA

-

10

-

V

VDRIVE DRIVE Low Voltage

-

0

-

V

IDRIVE

DRIVE Source Current

VDRIVE = 5V

-

4

-

mA

IDRIVE

DRIVE Sink Current

PROTECTION

VDRIVE = 5V

-

3

-

mA

VFB-OV

VFBL-UV

IOCSET

FB Over Voltage Protection Trip Point Percent of VREF

FBL Under Voltage Protection Trip

Point

Percent of VREF

OCSET Current Source

-

135

-

%

-

50

-

%

36

40

44

µA

Copyright © ANPEC Electronics Corp.

4

Rev. A.6 - Aug., 2009

www.anpec.com.tw

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