MC34262

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R114-006 .a



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL RATINGS

UNIT

Total Power Supply And Zener Current

30

mA

Output Current, Source Or Sink

500

mA

Current Sense, Multiplier, And Voltage Feedback Inputs

-1.0~+10

V

High State Forward Current

50

Zero Current Detect Input

Low State Reverse Current

-10

mA

800

mW

N Suffix,

Plastic

Package

Thermal Resistance, Junction-to-Air

100

°C/W

450

mW

Power Dissipation And

Thermal Characteristics

D Suffix,

Plastic

Package

Thermal Resistance, Junction-to-Air

178

°C/W

Operating Junction Temperature

+150

°C

Operating Ambient Temperature

0~+85

°C

Storage Temperature

-65~+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.



ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

ERROR AMPLIFIER

2.465

2.535

V

Voltage Feedback Input Threshold

2.44

2.54

Line Regulation

10

mV

Input Bias Current

-0.5

μA

Transconductance

80

130

μmho

Source

10

μA

Output Current

Sink

10

μA

High State

5.8

V

Output Voltage Swing

Low State

2.4

V

OVERVOLTAGE COMPARATOR

Voltage Feedback Input Threshold

1.065

1.095

V

MULTIPLIER

Input Bias Current, MULT

-0.5

μA

Input Threshold, COMP

1.05

V

Multiplier

Input

0~2.5

V

Dynamic Input Voltage

Range

Compensation

+1.0)

V

Multiplier Gain

K

0.87

1/V

ZERO CURRENT DETECTOR

Input Threshold Voltage

1.33

1.87

V

Hysteresis

100

300

mV

High State

6.1

V

Input Clamp Voltage

Low State

0.3

1.0