Datasheet > ISL78843ASRHVX/SAMPLE

ISL78843ASRHVX/SAMPLE

更新时间： 2024-11-30 05:39:43

品牌	Logo	应用领域
英特矽尔 - INTERSIL		控制器
页数	文件大小	规格书
11页	648K
描述
Radiation Hardened, High Performance IndustryStandard Single-Ended Current Mode PWM Controller

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Radiation Hardened, High Performance Industry

Standard Single-Ended Current Mode PWM

Controller

ISL78840ASRH, ISL78841ASRH, ISL78843ASRH, ISL78845ASRH

The ISL7884xASRH is a high performance, radiation

hardened drop-in replacement for the popular 28C4x and

Features

• Electrically Screened to DSCC SMD # 5962-07249

• QML Qualified Per MIL-PRF-38535 Requirements

• 1A MOSFET Gate Driver

18C4x PWM controllers suitable for a wide range of

power conversion applications including boost, flyback,

and isolated output configurations. Its fast signal

propagation and output switching characteristics make

this an ideal product for existing and new designs.

• 90µA Typ Start-up Current, 125µA Max

• 35ns Propagation Delay Current Sense to Output

Features include up to 13.2V operation, low operating

current, 90µA typ start-up current, adjustable operating

frequency to 1MHz, and high peak current drive

capability with 50ns rise and fall times.

• Fast Transient Response with Peak Current Mode

Control

• 9V to 13.2V Operation

• Adjustable Switching Frequency to 1MHz

• 50ns Rise and Fall Times with 1nF Output Load

PART NUMBER

ISL78840ASRH

ISL78841ASRH

ISL78843ASRH

ISL78845ASRH

RISING UVLO

MAX. DUTY CYCLE

7.0

100%

50%

• Trimmed Timing Capacitor Discharge Current for

Accurate Deadtime/Maximum Duty Cycle Control

• 1.5MHz Bandwidth Error Amplifier

8.4V

100%

50%

• Tight Tolerance Voltage Reference Over Line, Load

and Temperature

• ±3% Current Limit Threshold

Specifications for Rad Hard QML devices are

controlled by the Defense Supply Center in

Columbus (DSCC). The SMD numbers listed in the

ordering information must be used when ordering.

• Pb-Free Available (RoHS Compliant)

Applications

• Current Mode Switching Power Supplies

• Isolated Buck and Flyback Regulators

• Boost Regulators

Detailed Electrical Specifications for the

ISL788xASRH are contained in SMD 5962-07249. A

“hot-link” is provided on our website for

downloading.

• Direction and Speed Control in Motors

• Control of High Current FET Drivers

Pin Configuration

ISL78840ASRH, ISL78841ASRH,

ISL78843ASRH, ISL78845ASRH

(8 LD FLATPACK)

TOP VIEW

COMP

REF

OUT

GND

RTCT

December 21, 2009

FN6991.0

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...11

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与ISL78843ASRHVX/SAMPLE相关器件

型号	品牌	获取价格	描述	数据表
ISL78845ASEH	INTERSIL	获取价格	Radiation Hardened, High Performance Industry Standard Single-Ended Current Mode PWM Contr
ISL78845ASEH	RENESAS	获取价格	Radiation Hardened, High Performance Industry Standard Single-Ended Current Mode PWM Contr
ISL78845ASEHVD	INTERSIL	获取价格	Radiation Hardened, High Performance Industry Standard Single-Ended Current Mode PWM Contr
ISL78845ASEHVF	INTERSIL	获取价格	Radiation Hardened, High Performance Industry Standard Single-Ended Current Mode PWM Contr
ISL78845ASEHVX	INTERSIL	获取价格	Radiation Hardened, High Performance Industry Standard Single-Ended Current Mode PWM Contr
ISL78845ASRH	INTERSIL	获取价格	Radiation Hardened, High Performance IndustryStandard Single-Ended Current Mode PWM Contro
ISL78845ASRH	RENESAS	获取价格	Radiation Hardened, High Performance Industry Standard Single-Ended Current Mode PWM Contr
ISL78845ASRHF/PROTO	RENESAS	获取价格	1A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, CDFP8, ROHS COMPLIANT, HERMETIC SEALE
ISL78845ASRHF/PROTO	INTERSIL	获取价格	Radiation Hardened, High Performance IndustryStandard Single-Ended Current Mode PWM Contro
ISL78845ASRHVX/SAMPLE	INTERSIL	获取价格	Radiation Hardened, High Performance IndustryStandard Single-Ended Current Mode PWM Contro

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