SG3825CN

更新时间： 2024-09-22 22:43:15

品牌	Logo	应用领域
美高森美 - MICROSEMI		开关光电二极管
页数	文件大小	规格书
7页	186K
描述
HIGH - SPEED CURRENT - MODE PWM

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数据手册

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SG3825CN 数据手册

LIN DOC #: 1825

SG1825C/SG2825C/SG3825C

H I G H - S P E E D C U R R E N T - M O D E P W M

T H E I N F I N I T E P O W E R O F I N N O V A T I O N

N O T R E C O M M E N D E D F O R N E W D E S I G N S

DESCRIPTION

KEY FEATURES

■ IMPROVED REFERENCE INITIAL

TOLERANCE (±1% max.)

The SG1825C is a high-performance

pulse width modulator optimized for

high frequency current-mode power

supplies. Included in the controller

are a precision voltage reference,

micropower 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 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 tem-

perature range of -55°C to 125°C.

The SG2825C is characterized for the

industrial range of -25°C to 85°C,

and the SG3825C is selected for the

commercial range of 0°C to 70°C.

■ IMPROVED OSCILLATOR INITIAL

ACCURACY (±3% typ.)

■ IMPROVED STARTUP CURRENT

(500µA typ.)

■ PROP DELAY TO OUTPUTS (50ns typ.)

p 10V TO 30V OPERATION

p 5.1V REFERENCE TRIMMED TO ±1%

p 2MHZ OSCILLATOR CAPABILITY

p 1.5A PEAK TOTEM-POLE DRIVERS

p U.V. LOCKOUT WITH HYSTERESIS

p NO OUTPUT DRIVER "FLOAT"

p PROGRAMMABLE SOFTSTART

p DOUBLE-PULSE SUPPRESSION LOGIC

PRODUCT HIGHLIGHT

p WIDEBAND LOW-IMPEDANCE ERROR

AMPLIFIER

I N I T I A L O S C I L L A T O R A C C U R A C Y

p CURRENT-MODE OR VOLTAGE-MODE

CONTROL

p WIDE CHOICE OF HIGH-FREQUENCY

PACKAGES

Sample Size = 42579

Mean 4011.686817

Std. Dev. = 34.83

HIGH RELIABILITY FEATURES

■ AVAILABLE TO MIL-STD-883B

■ LINFINITY LEVEL "S" PROCESSING AVAIL.

390

395

400

405

410

415

Initial Oscillator Accuracy - KHz

PACKAGE ORDER INFORMATION

Plastic DIP

16-pin

Plastic Wide SOIC

16-pin

Plastic LCC

20-pin

Ceramic DIP

16-pin

Ceramic LCC

20-pin

T_J(°C)

0 to 70

-25 to 85

-55 to 125

MIL-STD-883

DESC

SG3825CN

SG2825CN

SG3825CDW

SG2825CDW

SG3825CQ

SG2825CQ

SG3825CJ

SG2825CJ

SG1825CJ

SG1825CL

SG1825CJ/883B

SG1825CJ/DESC

SG1825CL/883B

SG1825CL/DESC

Note: All surface-mount packages are available in Tape & Reel. Append the letter "T" to part number. (i.e. SG3825CDWT)

F O R F U R T H E R I N F O R M A T I O N C A L L ( 7 1 4 ) 8 9 8 - 8 1 2 1

Rev. 1.3 6/96

11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841

12 3 4 5 6 7

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与SG3825CN相关器件

型号	品牌	获取价格	描述	数据表
SG3825CN-TR	MICROSEMI	获取价格	Switching Controller, Current-mode, 1500kHz Switching Freq-Max, PDIP16, ROHS COMPLIANT, PL
SG3825CQ	MICROSEMI	获取价格	HIGH - SPEED CURRENT - MODE PWM
SG3825CQT	MICROSEMI	获取价格	Analog Circuit
SG3825CQ-TR	MICROSEMI	获取价格	Switching Controller, Current-mode, 1500kHz Switching Freq-Max, PQCC20, PLASTIC, LCC-20
SG3840DW	MICROSEMI	获取价格	Switching Controller, Voltage-mode, 1A, 500kHz Switching Freq-Max, PDSO18
SG3840N	MICROSEMI	获取价格	Switching Controller, Voltage-mode, 1A, 500kHz Switching Freq-Max, PDIP18
SG3842D	MICROSEMI	获取价格	CURRENT MODE PWM CONTROLLER
SG3842DM	MICROSEMI	获取价格	CURRENT MODE PWM CONTROLLER
SG3842DMT	MICROSEMI	获取价格	Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8, PLASTIC
SG3842DM-TR	MICROSEMI	获取价格	Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8, ROHS CO

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