Datasheet > SG1524B_1

SG1524B_1

更新时间： 2024-09-27 06:11:19

品牌	Logo	应用领域
美高森美 - MICROSEMI		脉冲
页数	文件大小	规格书
5页	168K
描述
REGULATING PULSE WIDTH MODULATOR

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中文翻译

获取价格

数据手册

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SG1524B_1 数据手册

SG1524B/SG2524B/SG3524B

REGULATING PULSE WIDTH MODULATOR

DESCRIPTION

FEATURES

The SG1524B is a pulse width modulator for switching power supplies

which features improved performance over industry standards like the

SG1524. A direct pin-for-pin replacement for the earlier device, it

combines advanced processing techniques and circuit design to provide

improved reference accuracy, and extended common mode range at the

error amplifier and current limit inputs. A DC-coupled flip-flop eliminates

triggering and glitch problems, and a PWM data latch prevents edge

oscillations. The circuit incorporates true digital shutdown for high speed

response, while an undervoltage lockout circuit prevents spurious outputs

when the supply voltage is too low for stable operation. Full double-pulse

suppression logic insures alternating output pulses when the Shutdown

pin is used for pulse-by-pulse current limiting. The SG1524B is specified

for operation over the full military ambient temperature range of -55°C to

125°C. The SG2524B is characterized for the industrial range of -25°C to

85°C, and the SG3524B is designed for the commercial range of 0°C

to 70°C.

• 7V to 40V operation

• 5V reference trimmed to 1%

• 100Hz to 400KHz oscillator range

• Excellent external sync capability

• Dual 100mA output transistors

• Wide current limit common mode range

• DC-coupled toggle flip-flop

• PWM data latch

• Undervoltage lockout

• Full double-pulse suppression logic

• 60V output collectors

HIGH RELIABILITY FEATURES

- SG1524B

♦ Available to MIL-STD-883 and DESC SMD

♦ Scheduled for MIL-M-38510 QPL listing

♦ Radiation data available

♦ LMI level "S" processing available

DESCRIPTION

V_REF

Reference

Regulator

Undervoltage

Lockout

+V_IN

GROUND

OSC

To Internal

Circuitry

R_T

C_T

Oscillator

COLLECTOR A

EMITTER A

COLLECTOR B

MEMORY

F/F

TOGGLE

F/F

P.W.M.

INVERTING

Error

+V_IN

NON-INVERTING

EMITTER B

PWM

LATCH

+C.L. SENSE

-C.L. SENSE

C.L.

COMPENSATION

SHUTDOWN

Rev 1.3a 3.21.2005

Microsemi Inc.

11861 Western Avenue ∞ Garden Grove, CA 92841

(714) 898-8121 ∞ FAX: (714) 893-2570

12 3 4 5

中文翻译

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与SG1524B_1相关器件

型号	品牌	获取价格	描述	数据表
SG1524BF	MICROSEMI	获取价格	Switching Controller, Voltage-mode, 0.2A, 600kHz Switching Freq-Max, CDFP16, FP-16
SG1524BF/883B	MICROSEMI	获取价格	Switching Controller, Voltage-mode, 0.2A, 600kHz Switching Freq-Max, CDFP16, FP-16
SG1524BJ	MICROSEMI	获取价格	REGULATING PULSE WIDTH MODULATOR
SG1524BJ	MICROCHIP	获取价格	The SG1524B is a pulse width modulator for switching power supplies that features improved
SG1524BJ/883B	MICROSEMI	获取价格	REGULATING PULSE WIDTH MODULATOR
SG1524BJ/DESC	MICROSEMI	获取价格	REGULATING PULSE WIDTH MODULATOR
SG1524BJ-883B-TR	MICROSEMI	获取价格	Switching Controller
SG1524BJ-DESC	MICROSEMI	获取价格	Switching Controller, Voltage-mode, 0.2A, 600kHz Switching Freq-Max, BIPolar, CDIP16, HERM
SG1524BJ-TR	MICROSEMI	获取价格	Switching Controller
SG1524BL	MICROSEMI	获取价格	REGULATING PULSE WIDTH MODULATOR

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