Datasheet > LM3524D

LM3524D

更新时间： 2024-11-26 11:13:55

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
29页	1464K
描述
40V、0.2A 350KHz PWM 控制器

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LM3524D 数据手册

LM2524D, LM3524D

www.ti.com

SNVS766E –JUNE 2009–REVISED MAY 2013

LM2524D/LM3524D Regulating Pulse Width Modulator

Check for Samples: LM2524D, LM3524D

The LM3524D has a ±1% precision 5V reference.

FEATURES

The current carrying capability of the output drive

transistors has been raised to 200 mA while reducing

V_CEsatand increasing V_CEbreakdown to 60V. The

common mode voltage range of the error-amp has

been raised to 5.5V to eliminate the need for a

resistive divider from the 5V reference.

•

Fully Interchangeable With Standard LM3524

Family

•

±1% Precision 5V Reference With Thermal

Shut-Down

•

Output Current to 200 mA DC

60V Output Capability

In the LM3524D the circuit bias line has been isolated

from the shut-down pin. This prevents the oscillator

pulse amplitude and frequency from being disturbed

by shut-down. Also at high frequencies (≃300 kHz)

the max. duty cycle per output has been improved to

44% compared to 35% max. duty cycle in other

3524s.

Wide Common Mode Input Range for Error-

Amp

•

One Pulse per Period (Noise Suppression)

Improved Max. Duty Cycle at High Frequencies

Double Pulse Suppression

In addition, the LM3524D can now be synchronized

externally, through pin 3. Also a latch has been

added to insure one pulse per period even in noisy

environments. The LM3524D includes double pulse

suppression logic that insures when a shut-down

condition is removed the state of the T-flip-flop will

change only after the first clock pulse has arrived.

This feature prevents the same output from being

pulsed twice in a row, thus reducing the possibility of

core saturation in push-pull designs.

Synchronize Through Pin 3

DESCRIPTION

The LM3524D family is an improved version of the

industry standard LM3524. It has improved

specifications and additional features yet is pin for pin

compatible with existing 3524 families. New features

reduce the need for additional external circuitry often

required in the original version.

Connection Diagram

Figure 1. Top View

See Package Number NFG

See Package Number D

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...29

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与LM3524D相关器件

型号	品牌	获取价格	描述	数据表
LM3524DM	NSC	获取价格	Regulating Pulse Width Modulator
LM3524DM/NOPB	TI	获取价格	40V、0.2A 350KHz PWM 控制器 \| D \| 16 \| 0 to 125
LM3524DMWC	NSC	获取价格	IC 0.2 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, UUC, WAFER, Switching Regulator
LM3524DMX	NSC	获取价格	IC 0.2 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO16, PLASTIC, SMT-16, Switch
LM3524DMX/NOPB	NSC	获取价格	IC 0.2 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO16, LEAD FREE, PLASTIC, SMT
LM3524DMX/NOPB	TI	获取价格	40V、0.2A 350KHz PWM 控制器 \| D \| 16 \| 0 to 125
LM3524DN	NSC	获取价格	Regulating Pulse Width Modulator
LM3524DN/NOPB	NSC	获取价格	IC 0.2 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDIP16, PLASTIC, DIP-16, Switch
LM3524J	TI	获取价格	IC,SMPS CONTROLLER,VOLTAGE-MODE,BIPOLAR,DIP,16PIN,CERAMIC
LM3524J/A+	ETC	获取价格	Voltage-Mode SMPS Controller

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