SG1825CJ Microsemi Analog Mixed Signal Group, SG1825CJ Datasheet

SG1825CJ

Manufacturer Part Number

SG1825CJ

Description

IC PWM CURRENT MODE HS 16-DIP

Manufacturer

Microsemi Analog Mixed Signal Group

Datasheet

1.SG1825CJ.pdf (7 pages)

Specifications of SG1825CJ

Pwm Type

Current Mode

Number Of Outputs

Frequency - Max

1.5MHz

Duty Cycle

85%

Voltage - Supply

10 V ~ 30 V

Buck

Boost

Flyback

Inverting

Doubler

Divider

Cuk

Isolated

Operating Temperature

-55°C ~ 125°C

Package / Case

16-DIP

Frequency-max

1.5MHz

Lead Free Status / RoHS Status

Lead free by exemption / RoHS compliant by exemption

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

SG1825CJ

Manufacturer:

Quantity:

Company:

BOSTOCK HK LIMITED

Part Number:

SG1825CJ

Manufacturer:

MOT

Quantity:

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

SG1825CJ/883

Manufacturer:

Quantity:

Company:

BOSTOCK HK LIMITED

Part Number:

SG1825CJ/883B

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Quantity:

Current page: 1 of 7
Download datasheet (306Kb)

Rev. 1.3a,2005-03-21

width modulator optimized for high frequency

current-mode power supplies. Included in the

controller are a precision voltage reference,

micro power start-up circuitry, soft start, high-

frequency oscillator, wideband error amplifier,

fast current limit comparator, full double-pulse

suppression logic, and dual totem pole output

drivers. Innovative circuit design and an

advanced linear Schottky process result in

very short propagation delays through the

current limit comparator, logic, and output

Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. SG3825CN-TR)

H E

MIL-STD-883

The SG1825C is a high-performance pulse

IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

-55 to 125

-25 to 85

0 to 70

DESC

(°C)

N F I N I T E

RoHS Compliant / Pb-free

Transition DC: 0503

SG3825CN

SG2825CN

O W E R

Plastic DIP

16-Pin

11861 W

390

P R O D U C T H I G H L I G H T

NITIAL

Initial Oscillator Accuracy - KHz

O F

ESTERN

D E S C R I P T I O N

395

I N

N N O V A T I O N

SCILLATOR

VENUE

RoHS Compliant / Pb-free

400

I N I T Y

Transition DC: 0516

SG3825CDW

SG2825CDW

, G

drivers. This device can be used to

implement either current mode or voltage-

mode switching power supplies. It also is

useful as a series-resonant controller to

frequencies beyond 1MHz. The SG1825C is

specified for operation over the full military

ambient temperature range of -55°C to

125°C.

industrial range of -25°C to 85°C, and the

SG3825C is selected for the commercial

range of 0°C to 70°C.

The SG2825C is characterized for the

Plastic SOIC

16-Pin

ARDEN

PACKAGE ORDER INFO

405

Sample Size = 279

Std. Dev. = 3.8

Mean 401.661

CCURACY

I C R O E L E C T R O N I C S

ROVE

410

, CA. 92841, 714-898-8121, F

415

SG1825C / SG2825C / SG3825C

SG32825CQ

SG2825CQ

I G H

Plastic LCC

20-Pin

R O D U C T I O N

- S

P E E D

N C

: 714-893-2570

SG1825CJ/DESC SG1825CL/DESC

SG1825CJ/883B

U R R E N T

SG3825CJ

SG1825CJ

SG282CJ

Ceramic DIP

16-Pin

A T A

- M

IMPROVED REFERENCE

INITIAL TOLERANCE (±1%

max.)

IMPROVED OSCILLATOR

INITIAL ACCURACY (±3% typ.)

IMPROVED STARTUP

CURRENT (500µA typ.)

PROP DELAY TO OUTPUTS

(50ns typ.)

10V TO 30V OPERATION

5.1V REFERENCE TRIMMED

TO ±1%

2MHZ OSCILLATOR

CAPABILITY

1.5A PEAK TOTEM-POLE

DRIVERS

U.V. LOCKOUT WITH

HYSTERESIS

NO OUTPUT DRIVER "FLOAT"

PROGRAMMABLE

SOFTSTART

DOUBLE-PULSE

SUPPRESSION LOGIC

WIDEBAND LOW-IMPEDANCE

ERROR AMPLIFIER

CURRENT-MODE OR

VOLTAGE-MODE CONTROL

WIDE CHOICE OF HIGH-

FREQUENCY PACKAGES

AVAILABLE TO MIL-STD-883B

MICROSEMI LEVEL "S"

PROCESSING AVAIL.

K E Y F E A T U R E S

O D E

H E E T

SG1825CL/883

P W M

SG1825CL

Ceramic LCC

20-Pin

Related parts for SG1825CJ

SG1825CJ Summary of contents

Page 1

... NO OUTPUT DRIVER "FLOAT" PROGRAMMABLE SOFTSTART DOUBLE-PULSE SUPPRESSION LOGIC WIDEBAND LOW-IMPEDANCE ERROR AMPLIFIER CURRENT-MODE OR VOLTAGE-MODE CONTROL WIDE CHOICE OF HIGH- FREQUENCY PACKAGES AVAILABLE TO MIL-STD-883B MICROSEMI LEVEL "S" PROCESSING AVAIL. Ceramic DIP J L 16-Pin SG3825CJ SG282CJ SG1825CJ SG1825CL SG1825CJ/883B SG1825CL/883 SG1825CJ/DESC SG1825CL/DESC 714-893-2570 AX Ceramic LCC 20-Pin - - 1 ...

Page 2

RoHS Peak Package Solder Reflow Temp. (40 sec. max. exp.)......................................................... 260° (+0, -5) *DW & N Packages: RoHS / Pb-free 100% Matte Tin Lead Finish * * a ...

Page 3

a ...

Page 4

a ...

Page 5

REFERENCE + REGULATOR 10 GND 4 CLOCK OSCILLATOR 1.25V RAMP 7 E/A OUTPUT 3 N.I. INPUT 2 ERROR INV. INPUT 1 9µA SOFTSTART REF 4.0V ...

Page 6

V REF SG1825C PWR GND 10 GND 0.1µF 1µ POWER TRANSFORMER SG1825C L1 GND 0.1µ SG1825C R 1 100 ...

Page 7

I R SG1825C 5. 400µA 2.8V 1. REF V 3 ERROR POSITIVE ...

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