US1702

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 5

www.unisonic.com.tw

QW-R911-020.c



PARAMETER

SYMBOL

RATINGS

UNIT

Switching Drain Source Voltage

700

V

Supply Voltage

30

V

Feedback Current

3

mA

Junction Temperature

+150

°C

Operating Temperature

-40 ~ +125

°C

Storage Temperature

-50 ~ +150

°C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



OPERATING RANGE

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

8.6 ~ 22

V



PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY SECTION

Start Up Charge Current

1

mA

Start Up Current

6

45

μA

Supply Current with switch

2

6.5

mA

UNDER-VOLTAGE LOCKOUT SECTION

Start Threshold Voltage

13.5

15

16.5

V

Min. Operating Voltage

8

9

10

V

INTERNAL VOLTAGE REFERENCE

CONTROL SECTION

560

Feedback Source Shutdown Current

900

μA

FB Pin Input Impedance

1200

Ω

Burst-Mode Out FB Voltage

0.94

V

Burst-Mode Enter FB Voltage

1.05

V

Normal initial Switching frequency

54

60

66

kHz

5

%

Frequency Deviation VS Temperature

5

%

PROTECTION SECTION

OVP threshold

23

V

OTP threshold

130

150

170

°C

CURRENT LIMITING SECTION

Peak Current Limitation

0.56

0.7

0.84

A

Minmum Turn On Time

680

nS

POWER MOSFET SECTION

Drain-Source Breakdown Voltage

700

V

Turn-on voltage between gate and source

2

4

V

Off State Drain Current

100

uA

Static Drain-Source On-State Resistance

5

Ω

Rise Time

RG=25Ω (Note 1, 2)

45

100

ns

Fall Time

35

80

ns

Drain Capacitance

40

pF

Notes: 1. Pulse Test: Pulse width≤300μs, Duty cycle≤2%

2. Essentially independent of operating temperature