Datasheet > ISL70003ASEH

ISL70003ASEH

更新时间： 2023-12-20 18:44:41

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
36页	1748K
描述
Radiation and SEE Tolerant 3V to 13.2V, 9A Buck Regulator

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ISL70003ASEH 数据手册

DATASHEET

ISL70003ASEH

Radiation and SEE Hardened 3V to 13.2V, 9A Buck Regulator

FN8746

Rev.4.01

Dec 12, 2019

The ISL70003ASEH is an improved version of the

Features

ISL70003SEH regulator with both tighter load regulation

(<0.3% typical) and a higher output current rating of 9A.

Operating over an input voltage range of 3.0V to 13.2V with

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

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

integrated low r

MOSFETs makes this monolithic

DS(ON)

• Integrated MOSFETs 31mΩPFET/21mΩ NFET

solution highly efficient. Also, a tightly regulated output

voltage is possible, which is externally adjustable from 0.6V to

~90% of the input voltage. Continuous output load current

- 95% peak efficiency

• Externally adjustable loop compensation

capability is 9A for T ≤+125°C and 6A for T ≤+150°C.

• Supports DDR applications (V tracks V

- Buffer amplifier for generating V

- 3A current sinking capability

/2)

DDQ

voltage

The ISL70003ASEH 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.

REF

• Grounded lid eliminates charge build up

• IMON pin for output current monitoring

• Adjustable analog soft-start

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

used to inhibit pulses on the phase (LXx) pins to maximize

efficiency based on the load current. The ISL70003ASEH also

supports DDR applications and contains a buffer amplifier for

• Diode emulation for increased efficiency at light loads

• 500kHz or 300kHz operating frequency

• Monotonic start-up into prebiased load

• Full military temperature range operation

generating the V

voltage.

REF

High integration, best-in-class radiation performance and a

feature-filled design make the ISL70003ASEH an ideal choice

to power many of today’s small form-factor applications.

- T = -55°C to +125°C

- T = -55°C to +150°C

Applications

• Radiation Acceptance (See TID Report)

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

- Low dose rate (0.01rad(Si)/s) . . . . . . . . . . . . . . 50krad(Si)

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

• DDR memory supply voltages

• SEE hardness (See SEE report)

• Low-voltage, high-density distributed power systems

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

Related Literature

For a full list of related documents, visit our website:

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

OUT

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

• Electrically screened to DLA SMD 5962-14203

• ISL70003ASEH device page

0.3

0.2

-55°C

+125°C

+25°C

0.1

0.0

12V INTERMEDIATE BUS

ISL70003ASEH

1.5V CORE

1.8V AUX

3.3V I/O

5V BUS

-0.1

-0.2

-0.3

ISL75051ASEH

ISL70003ASEH

+85°C

LOAD CURRENT (A)

FIGURE 1. POWER DISTRIBUTION SOLUTION FOR RAD HARD LOW

POWER FPGAs

FIGURE 2. TYPICAL LOAD REGULATION, V = 12V, V

= 3.3V,

OUT

= 500kHz

FN8746 Rev.4.01

Dec 12, 2019

Page 1 of 36

12 3 4 5 6 7...36

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与ISL70003ASEH相关器件

型号	品牌	获取价格	描述	数据表
ISL70003ASEHEV1Z	INTERSIL	获取价格	Radiation and SEE Tolerant 3V to 13.2V, 9A Buck Regulator
ISL70003ASEHEV2Z	INTERSIL	获取价格	Radiation and SEE Tolerant 3V to 13.2V, 9A Buck Regulator
ISL70003ASEHFE/PROTO	RENESAS	获取价格	SWITCHING REGULATOR
ISL70003ASEHVFE	RENESAS	获取价格	SWITCHING REGULATOR
ISL70003ASEHVFE	INTERSIL	获取价格	Radiation and SEE Tolerant 3V to 13.2V, 9A Buck Regulator
ISL70003ASEHVX	INTERSIL	获取价格	Radiation and SEE Tolerant 3V to 13.2V, 9A Buck Regulator
ISL70003ASEHX/SAMPLE	RENESAS	获取价格	SWITCHING REGULATOR
ISL70003SEH	INTERSIL	获取价格	Acceptance tested to 50krad
ISL70003SEHEV1Z	INTERSIL	获取价格	Acceptance tested to 50krad
ISL70003SEHF	INTERSIL	获取价格	Acceptance tested to 50krad

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