Datasheet > ISL75051SEH

ISL75051SEH

更新时间： 2024-11-21 11:58:31

品牌	Logo	应用领域
英特矽尔 - INTERSIL		稳压器
页数	文件大小	规格书
18页	815K
描述
3A, Rad Hard, Positive, Ultra Low Dropout Regulator

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ISL75051SEH 数据手册

3A, Rad Hard, Positive, Ultra Low Dropout Regulator

ISL75051SEH

Features

The ISL75051SEH is a radiation hardened low-voltage,

high-current, single-output LDO specified for up to 3.0A of

continuous output current. These devices operate over an input

voltage range of 2.2V to 6.0V and are capable of providing

output voltages of 0.8V to 5.0V adjustable based on resistor

divider setting. Dropout voltages as low as 65mV can be

realized using the device.

• DLA SMD#5962-11212

• Output Current Up to 3.0A at T = +150°C

• Output Accuracy ±1.5% over MIL Temp Range

• Ultra Low Dropout:

- 65mV Typ Dropout at 1.0A

- 225mV Typ Dropout at 3.0A

The OCP pin allows the short circuit output current limit

threshold to be programmed by means of a resistor from the

OCP pin to GND. The OCP setting range is from 0.5A minimum

to 8.5A maximum. The resistor sets the constant current

threshold for the output under fault conditions. The thermal

shutdown disables the output if the device temperature

exceeds the specified value. It subsequently enters an ON/OFF

cycle until the fault is removed. The ENABLE feature allows the

part to be placed into a low current shutdown mode that

typically draws about 1µA. When enabled, the device operates

with a typical low ground current of 11mA, which provides for

operation with low quiescent power consumption.

• Noise of 100µV

from 300Hz to 300kHz

RMS

• SET Mitigation with No Added Filtering/Diodes

• Input Supply Range: 2.2V to 6.0V

• Fast Load Transient Response

• Shutdown Current of 1µA Typ

• Output Adjustable Using External Resistors

• PSRR 66dB Typ @ 1kHz

• Enable and PGood Feature

• Programmable Soft-start/Inrush Current Limiting

• Adjustable Overcurrent Limit from 0.5A to 8.5A

• Over-temperature Shutdown

The device is optimized for fast transient response and single

event effects. This reduces the magnitude of SET seen on the

output. Additional protection diodes and filters are not needed.

The device is stable with tantalum capacitors as low as 47µF

and provides excellent regulation all the way from no load to

full load. Programmable soft-start allows the user to program

the inrush current by means of the decoupling capacitor value

used on the BYP pin.

• Stable with 47µF Min Tantalum Capacitor

• 18 Ld Ceramic Flatpack Package

• Radiation Environment

- High Dose Rate (50-300rad(Si)/s) . . . . . . . . . 100krad(Si)

- Low Dose Rate (0.01rad(Si)/s). . . . . . . . . . . . 100krad(Si)*

Applications

*Product capability established by initial characterization. The

"EH" version is acceptance tested on a wafer by wafer basis to

50 krad(Si) at low dose rate

• LDO Regulator for Space Application

• DSP, FPGA and µP Core Power Supplies

• Post-regulation of Switched Mode Power Supplies

• Down-hole Drilling

0.30

+150°C

BYP

ADJ

ROCP

0.25

0.1µF

OCP

+125°C

ISL75051SEH

VIN

VOUT

220µF

0.20

VIN

VOUT

GND

0.15

220µF

0.1µF

+25°C

2.67k

VIN

0.10

0.05

0.00

4.7n

100pF

0.00

0.50

1.00

1.50

2.00

(A)

2.50

3.00

3.50

OUT

FIGURE 1. TYPICAL APPLICATION

FIGURE 2. DROPOUT vs I

OUT

August 28, 2012

FN8294.0

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...18

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与ISL75051SEH相关器件

型号	品牌	获取价格	描述	数据表
ISL75051SRH	INTERSIL	获取价格	3A, Rad Hard, Positive, Ultra Low Dropout Regulator
ISL75051SRHEVAL1Z	INTERSIL	获取价格	3A, Rad Hard, Positive, Ultra Low Dropout Regulator
ISL75051SRHF/PROTO	INTERSIL	获取价格	3A, Rad Hard, Positive, Ultra Low Dropout Regulator
ISL75051SRHX/SAMPLE	INTERSIL	获取价格	3A, Rad Hard, Positive, Ultra Low Dropout Regulator
ISL75052SEH	INTERSIL	获取价格	1.5A, Rad Hard, Positive, High Voltage LDO
ISL75052SEH	RENESAS	获取价格	1.5A, Radiation Hardened, Positive, High Voltage LDO
ISL75052SEHEV1ZB	INTERSIL	获取价格	1.5A, Rad Hard, Positive, High Voltage LDO
ISL75052SEHF/SAMPLE	INTERSIL	获取价格	1.5A, Rad Hard, Positive, High Voltage LDO
ISL75052SEHFE/PROTO	INTERSIL	获取价格	1.5A, Rad Hard, Positive, High Voltage LDO
ISL75052SEHVFE	INTERSIL	获取价格	1.5A, Rad Hard, Positive, High Voltage LDO

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