APW7037KC-TRL Ver la hoja de datos (PDF) - Anpec Electronics

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componentes Descripción

Fabricante

APW7037KC-TRL

8-PIN Synchronous Buck PWM Controller

Anpec Electronics 

APW7037A/B

Electrical Characteristics

Unless otherwise specified, these specifications apply over VCC=5V, VC=12V and TA =0 to 70°C. Typical values refer to TA =25°C.

Symbol

Parameter

SUPPLY CURRENT

VCC Dynamic Supply

ICC

Current

Test Conditions

FOSC=200kHz, CL=1500pF

APW7037/A/B

Unit

Min. Typ. Max.

2

3

5

mA

IC VC Dynamic Supply Current

FOSC=200kHz, CL=1500pF

2

5.5

8

mA

ICCQ VCC Static Supply Current

SS=GND

0.5

1.5

3

mA

ICQ VC Static Supply Current

POWER-ON-RESET

Rising VCC Threshold

SS=GND

0.2

0.4

1

mA

4.0

4.2

4.4

V

VCC POR Hysteresis

-

0.25

-

V

Rising VC Threshold

3.1

3.3

3.5

V

VC POR Hysteresis

-

0.2

-

V

OSCILLATOR

FOSC Free Running Frequency

∆VOSC Ramp Amplitude

ERROR AMPLIFIER

IFB1 FB Pin Input Bias Current

SS=3V, VFB=1V

APW7037A 360

400

440

kHz

APW7037B 180

200

220

-

1.10

-

V

-

1

-

nA

IFB2 FB Pin Input Bias Current

GM Transconductance

REFERENCE VOLTAGE

SS=0V, VFB=1V

-

-64

-

µA

450

600

750 µmho

VFB FB Pin Regulation Voltage

LREG VFB Line Regulation

GATE DRIVERS

HDRV Rising Time

HDRV Falling Time

LDRV Rising Time

LDRV Falling Time

Dead Band Time

PROTECTION

VFBUV FB Under-Voltage Threshold

VSD

ISS

Shutdown Threshold Voltage

Soft-Start Current

VCC = 5~12V

APW7037A

APW7037B

CL = 1500pF

CL = 1500pF

CL = 1500pF

CL = 1500pF

VFB Falling

APW7037A

APW7037B

Pull the voltage of SS pin

SS=0

0. 784 0. 800 0. 816

V

0.784 0.800 0.816

-

0.2 0.35

%

-

20

50

nS

-

15

50

nS

-

25

50

nS

-

25

50

nS

50

150

250

nS

0.3

0.4

0.5

V

0.3

0.4

0.5

-

0.5

-

V

10

20

30

µA

Copyright © ANPEC Electronics Corp.

3

Rev. A.7 - Jun., 2008

www.anpec.com.tw

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