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Rev1.6 Oct.08, 2019

AX3071



ELECTRICAL CHARACTERISTICS

VCC=12V, TA=25°C (unless otherwise specified.) Mosfet use AMS4004*2.

Characteristics

Symbol

Test Conditions

Min Typ Max Units

Supply Voltage Range VIN

VCC

9

- 40

V

Supply Input Current

ICCQ COMP/EN=GND

-

2

-

mA

ICC

12Vin Vout=5V,No load

- 7.5 -

mA

ICC

30Vin Vout=5V,No load

- 15 20 mA

Power-On-Reset

VCC POR Threshold

VCCRTH VCC Rising.

7 7.5 8

V

VCCFTH VCC Falling.

6 6.5 7

Oscillator

Normal PWM Frequency

FOSC IOUT=200mA

96 120 144 KHz

Minimum On-Time

TON-MIN

- 200 -

ns

Duty Cycle Range

Duty

0

- 90

%

Reference

Reference Voltage

VREF

- 1.0 -

V

Reference Voltage Tolerance

-2 - +2

%

Line compensation Current

IFB

VSEN1 or VSEN2 =100mV

-

5

-

uA

PWM Error Amplifier

COMP Shutdown Threshold Voltage

- 0.4 -

V

COMP Source Current

VCOMP=VCOMP_H -1V

- 132 -

uA

COMP Sink Current

VCOMP=1V

- 126 -

uA

Current Sense Amplifier

Difference Voltage between

SEN- and SEN+

△VSEN

95 100 105 mV

Pre-Driver (Ensured by design)

UG Driver

source

-

7

-

Ω

sink

- 1.5 -

Ω

LG Driver

source

- 10 -

Ω

sink

- 1.2 -

Ω

Dead Time

UG low to LG high

- 40 -

nS

LG low to UG high

- 100 -

nS