ACT412

Rev 1, 30-Oct-13

- 3 -

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Copyright © 2013 Active-Semi, Inc.

Active-Semi Proprietary―For Authorized Recipients and Customers

ActivePSR

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

tion)

: Do not exceed these limits to prevent damage to the device. Exposure to absolute maximum rating conditions for long periods.

PARAMETER

VALUE

UNIT

FB, CS, COMP to GND

-0.3 to + 6

V

VDD, GATE to GND

-0.3 to + 22

V

Maximum Power Dissipation (SOT23-6)

0.45

W

Operating Junction Temperature

-40 to 150

˚C

220

˚C/W

Operating Junction Temperature

-40 to 150

˚C

Storage Temperature

-55 to 150

˚C

Lead Temperature (Soldering, 10 sec)

300

˚C

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Supply

VDD Turn-On Voltage

11.11

12.35

13.58

V

VDD Turn-Off Voltage

4.8

5.4

6

V

VDD Over Voltage Protection

18.45

20.5

22.55

V

Start Up Supply Current

5

10

µA

IDD Supply Current

switching)

0.55

1

mA

IDD Supply Current at Fault Mode

fault = 1

0.25

mA

Feedback

Effective FB Reference Voltage

2.23

2.25

2.28

V

FB Sampling Blanking Time

Light load

0.38

0.45

0.52

µs

Heavy Load

1.1

1.3

1.5

µs

Time needed for FB Sampling

(After blanking)

FB sampling

0.5

0.65

0.75

µs

CC and Knee point detecting

0.22

0.25

0.29

µs

FB Leakage Current

1

µA

Current Limit

CS Current Limit Threshold

0.5

V

0.75

V

CS Minimum Current Limits

Threshold

300

mV

CS to GATE Propagation Delay

60

ns

Leading Edge Blanking Time

Light Load

150

ns

Heavy Load

636

ns