Datasheet > ISL70003SEHVFE

ISL70003SEHVFE

更新时间： 2024-02-11 00:25:24

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
32页	1934K
描述
Acceptance tested to 50krad

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中文翻译

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数据手册

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ISL70003SEHVFE 数据手册

DATASHEET

Radiation Hardened and SEE Hardened 3V to 13.2V, 6A

Buck Regulator

ISL70003SEH

Features

The ISL70003SEH is a radiation and SEE hardened

synchronous buck regulator capable of operating over an

input voltage range of 3.0V to 13.2V. With integrated

MOSFETs, this highly efficient single chip power solution

provides a tightly regulated output voltage that is externally

adjustable from 0.6V to ~90% of the input voltage.

Continuous output load current capability is 6A for

T ≤+125°C and 3A for T ≤ +150°C.

• Acceptance tested to 50krad(Si) (LDR) wafer-by-wafer

• ±1% reference voltage over line, temperature and radiation

• Integrated MOSFETs 31mΩPFET/21mΩ NFET

- 95% peak efficiency

• Externally adjustable loop compensation

• Supports DDR applications (V tracks V

/2)

voltage

TT DDQ

- Buffer amplifier for generating V

- 3A current sinking capability

REF

The ISL70003SEH uses voltage mode control architecture

with feed-forward and switches at a selectable frequency of

500kHz or 300kHz. Loop compensation is externally

adjustable to allow for an optimum balance between stability

and output dynamic performance. The internal synchronous

power switches are optimized for high efficiency and

excellent thermal performance.

• Grounded lid eliminates charge build up

• IMON pin for output current monitoring

• Adjustable analog soft-start

• Diode emulation for increased efficiency at light loads

• 500kHz or 300kHz operating frequency synch wording

• Monotonic start-up into prebiased load

• Full military temperature range operation

The chip features two logic-level disable inputs that can be

used to inhibit pulses on the phase (LXx) pins in order to

maximize efficiency based on the load current. The

ISL70003SEH also supports DDR applications and contains a

buffer amplifier for generating the V

voltage.

REF

- T = -55°C to +125°C

High integration, best in class radiation performance and a

feature filled design make the ISL70003SEH an ideal choice

to power many of todays small form factor applications.

- T = -55°C to +150°C

• Radiation tolerance

- High dose rate (50-300rad(Si)/s). . . . . . . . . . . 100krad(Si)

Applications

• FPGA, CPLD, DSP, CPU core and I/O supply voltages

- Low dose rate (0.01rad(Si)/s) . . . . . . . . . . . . 100krad(Si)*

* Limit established by characterization.

• DDR memory supply voltages

• SEE hardness

- SEB and SEL LET . . . . . . . . . . . . . . . . 86.4MeV•cm /mg

- SET at LET 86.4MeV•cm /mg . . . . . . . . . . . < ±3% ΔV

• Low-voltage, high-density distributed power systems

OUT

Related Literature

• AN1897, ISL70003SEHEV1Z Evaluation Board

- SEFI LET . . . . . . . . . . . . . . . . . . . . . . . . . 60MeV•cm /mg

• Electrically screened to DLA SMD 5962-14203

• AN1915, ISL70003SEH iSim:PE Model

• AN1913, Single Event Effects Testing of the ISL70003SEH,

3V to 13.2V, 6A Synchronous Buck Regulator

• AN1924, Total Dose Testing of the ISL70003SEH Radiation

Hardened Point Of Load Regulator

100

2.5V

3.3V

LOAD CURRENT (A)

FIGURE 1. POWER DISTRIBUTION SOLUTION FOR RAD HARD LOW

POWER FPGA’s

FIGURE 2. EFFICIENCY vs LOAD, V = 12V, f

= 300kHz

ALL OUTPUTS ACTIVE

May 12, 2016

FN8604.5

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

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

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

12 3 4 5 6 7...32

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与ISL70003SEHVFE相关器件

型号	品牌	获取价格	描述	数据表
ISL70003SEHVX	INTERSIL	获取价格	Acceptance tested to 50krad
ISL70003SEHX	INTERSIL	获取价格	Acceptance tested to 50krad
ISL70005SEH	RENESAS	获取价格	Radiation Hardened Dual Output Point-of-Load, Integrated Synchronous Buck and Low Dropout
ISL70005SEHX/SAMPLE	RENESAS	获取价格	Switching Regulator/Controller
ISL70020SEH	RENESAS	获取价格	40V, 65A Enhancement Mode GaN Power Transistor
ISL70023SEH	RENESAS	获取价格	100V, 60A Enhancement Mode GaN Power Transistor
ISL70024SEH	RENESAS	获取价格	200V, 7.5A Enhancement Mode GaN Power Transistor
ISL70040SEH	RENESAS	获取价格	Radiation Hardened Low Side GaN FET Driver
ISL70040SEHL/PROTO	RENESAS	获取价格	Buffer/Inverter Based Peripheral Driver
ISL70061SEH	RENESAS	获取价格	Radiation Hardened 10A PMOS Load Switch

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