UC3842 Просмотр технического описания (PDF) - STMicroelectronics

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производитель

UC3842

CURRENT MODE PWM CONTROLLER

STMicroelectronics 

UC2842/3/4/5-UC3842/3/4/5

ABSOLUTE MAXIMUM RATINGS

Sy mb o l

Vi

Vi

IO

EO

Ptot

Ptot

Tstg

TL

P a ra met er

Supply Voltage (low impedance source)

Supply Voltage (Ii < 30mA)

Output Current

Output Energy (capacitive load)

Analog Inputs (pins 2, 3)

Error Amplifier Output Sink Current

Power Dissipation at Tamb ≤ 50 °C (minidip, DIP-14)

Power Dissipation at Tamb ≤ 25 °C (SO14)

Storage Temperature Range

Lead Temperature (soldering 10s)

* All voltages are with respect to pin 5, all currents are positive into the specified terminal.

PIN CONNECTIONS (top views)

SO14

V al u e

30

Self Limiting

±1

5

– 0.3 to 6.3

10

1

725

– 65 to 150

300

Minidip

Unit

V

A

µJ

V

mA

W

mW

°C

°C

ORDERING NUMBERS

T ype

UC2842

UC3843

UC2844

UC2845

UC3842

UC3843

UC3844

UC3845

Minidip

UC2842N

UC2843N

UC2844N

UC2845N

UC3842N

UC3843N

UC3844N

UC3845N

THERMAL DATA

Symbol

Description

Rth j-amb Thermal Resistance Junction-ambient.

2/11

SO14

UC2842D

UC2843D

UC2844D

UC2845D

UC3842D

UC3843D

UC3844D

UC3845D

Min id ip

max.

100

SO14

165

Unit

°C

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