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MIC38C42AYMM Datasheet (PDF) - Micrel Semiconductor

MIC38C42AYMM Datasheet PDF - Micrel Semiconductor
Part # MIC38C42AYMM
Download  MIC38C42AYMM Download

File Size   127.34 Kbytes
Page   9 Pages
Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
Description BiCMOS Current-Mode PWM Controllers

MIC38C42AYMM Datasheet (PDF)

Go To PDF Page Download Datasheet
MIC38C42AYMM Datasheet PDF - Micrel Semiconductor

Part # MIC38C42AYMM
Download  MIC38C42AYMM Click to download

File Size   127.34 Kbytes
Page   9 Pages
Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
Description BiCMOS Current-Mode PWM Controllers

MIC38C42AYMM Datasheet (HTML) - Micrel Semiconductor

MIC38C42AYMM Datasheet HTML 1Page - Micrel Semiconductor MIC38C42AYMM Datasheet HTML 2Page - Micrel Semiconductor MIC38C42AYMM Datasheet HTML 3Page - Micrel Semiconductor MIC38C42AYMM Datasheet HTML 4Page - Micrel Semiconductor MIC38C42AYMM Datasheet HTML 5Page - Micrel Semiconductor MIC38C42AYMM Datasheet HTML 6Page - Micrel Semiconductor MIC38C42AYMM Datasheet HTML 7Page - Micrel Semiconductor MIC38C42AYMM Datasheet HTML 8Page - Micrel Semiconductor MIC38C42AYMM Datasheet HTML 9Page - Micrel Semiconductor

MIC38C42AYMM Product details

General Description

The MIC38C4xA are fixed frequency, high performance, current-mode PWM controllers. Micrel’s BiCMOS devices

are pin compatible with 384x bipolar devices but feature several improvements.



Features

• Fast 40ns output rise and 30ns output fall times

• –40°C to +85°C temperature range meets UC284x specifications

• High-performance, low-power BiCMOS Process

• Ultralow start-up current (100µA typical)

• Low operating current (4mA typical)

• CMOS outputs with rail-to-rail swing

• ≥500kHz current-mode operation

•Trimmed 5V bandgap reference

• Pin-for-pin compatible with UC3842/3843/3844/3845

• Trimmed oscillator discharge current

• UVLO with hysteresis

• Low cross-conduction currents



Applications

• Current-mode, off-line, switched-mode power supplies

• Current-mode, dc-to-dc converters.

• Step-down “buck” regulators

• Step-up “boost” regulators

• Flyback, isolated regulators

• Forward converters

• Synchronous FET converters




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