HI-SINCERITY

MICROELECTRONICS CORP.

Spec. No. : HP200202

Issued Date : 1998.08.01

Revised Date : 2002.12.03

Page No. : 3/10

H3842P

HSMC Product Specification

Parameter

Test Conditions

Min.

Typ.

Max.

Units

Error Amplifier Section

Voltage Feedback Input

Vo=2.5V

2.42

2.50

2.58

V

Input Bias Current

VFB=5.0V

-

-0.1

-2.0

uA

Open Loop Voltage Gain

2

≤Vo≤4 V

65

90

-

dB

Unity Gain Bandwidth

Tj=25

0.7

1.0

-

MHz

Power Supply Rejection Ratio

12V

≤Vcc≤25V

60

70

-

dB

Sink (Vo=1.1V, VFB=2.7V)

2.0

12

-

mA

Output Current

Source (Vo=5.0V, VFB=2.3V)

-0.5

-1.0

-

mA

Output Voltage Swing

High State

VFB=2.3V, RL=15K to ground

5

6

-

V

Low State

VFB=2.7V, RL=15K to Vref

-

0.7

1.1

V

Current Sense Section

Current Sense Input Voltage Gain

(Notes 3 & 4)

2.85

3.0

3.15

V/V

Maximum Current Sense Input

Thresold

(Note 3)

0.9

1.0

1.1

V

Ppwer Supply Rejection Ratio

12V

-70

-

dB

Input Bias Current

-

-2.0

-10

uA

Propagation Delay

Tj=25

-

150

300

nS

Output Section

Low State (Isink=20mA)

-

0.1

0.4

V

Low State (Isink=200mA)

-

1.5

2.2

V

High State (Isource=20mA)

13

13.5

-

V

Output Voltage

High State (Isource=200mA)

12

13.4

-

V

Output Voltage Rise Time

Tj=25

-

50

150

nS

Output Voltage Fall Time

Tj=25

-

50

150

nS

Output Voltage with UVLO Activated

Vcc=6V , Isink=1.0mA

-

-0.1

-1.1

V

Total Device

Start-Up Current

-

0.1

0.5

mA

Operating Supply Current

Vpin2=Vpin3=0, RT=10K, CT=3.3nF

-

11

17

mA

Vcc Zener Voltage

Icc=25 mA

-

34

-

V

Note 1: Adjust Vcc above the start threshold before setting at 15V.

Note 2: These parameters, although guaranteed are not 100% tested in production.

Note 3: Parameter measured at trip point of latch with Vpin2=0.

Note 4: Gain defined as: A=Vpin1/Vpin3, 0

≤Vpin3≤0.8V