UA7527

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

5 of 6

www.unisonic.com.tw

QW-R114-003.b

ELECTRICAL CHARACTERISTICS(Cont.)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

CURRENT SENSE SECTION

Input Offset Voltage (Note 8)

-10

3

10

mV

Input Bias Current

-1

-0.1

1

uA

Current Sense Delay to Output

(Note 11)

200

500

ns

ZERO CURRENT DETECT SECTION

Input Voltage Threshold

1.7

2

2.3

V

Detect Hysteresis

0.2

0.5

0.8

V

Input Low Clamp Voltage

0.45

0.75

1

V

Input High Clamp Voltage

6.5

7.2

7.9

V

Input Bias Current

-1

-0.1

1

uA

Input High/Low Clamp Diode Current

±3

mA

OUTPUT SECTION

Output Voltage

High

10.5

11

V

Low

0.8

1

V

Rising Time (Note 13)

130

200

ns

Falling Time (Note 14)

50

120

ns

Maximum Output Voltage

12

14

16

V

Output Voltage with UVLO Activated

1

V

RESTART TIMER SECTION

Restart Time Delay

150

us

OVER VOLTAGE PROTECTION SECTION

Soft OVP Detecting Current

25

30

35

uA

Dynamic OVP Detecting Current

35

40

45

uA

Static OVP Threshold Voltage

2.1

2.25

2.4

V

Notes: 1~14.These parameters, although guaranteed, are not 100% tested in production.

Multiplier Gain: K=

()

REF

M2

M1

V

V

V

hold

Pin4_Thres

−

×

……