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Axelite Confidential Materials, do not copy or distribute without written consent.

Rev1.5 Dec.11, 2019

AX3075/B



ELECTRICAL CHARACTERISTICS VCC=12V, TA=25°C (unless otherwise specified.)

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

AX3075

ICC

12VIN VOUT=5V,No load

-

3.5

-

mA

ICC

30VIN VOUT=5V,No load

-

4

-

mA

AX3075B

ICC

12VIN VOUT=5V,No load

-

4.5

-

mA

ICC

30VIN VOUT=5V,No load

-

5

-

mA

Power-On-Reset

VCC POR Threshold

VCCRTH VCC Rising.

7

7.5

8

V

VCCFTH VCC Falling.

-

6.5

-

Oscillator

Normal PWM Frequency

AX3075

FOSC IOUT=200mA

96 120 144 KHz

AX3075B

50

65

80 KHz

Minimum On-Time

TON-MIN

-

200

-

nS

Duty Cycle Range

AX3075

Duty

0

-

93

%

AX3075B

0

-

97

%

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

-

10

-

Ω

sink

-

2

-

Ω

LG Driver

source

-

13

-

Ω

sink

-

1.5

-

Ω

Dead Time

UG low to LG high

-

40

-

nS

LG low to UG high

-

100

-

nS

Protection

Over Temperature Shutdown

-

160

-

°C

Over Temperature Hysteresis

-

40

-

°C

Soft Start

Soft Start Time

TSS

-

3

-

ms

Recycle Time

-

0.5

-

s

Output Short Circuit Protect Section

Short Circuit Fold Back Voltage

VSCP

-

0.4

-

V