Datasheet > ISL78302ARFBZ

ISL78302ARFBZ

更新时间： 2024-11-27 00:56:55

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
13页	743K
描述
Dual LDO with Low Noise, High Performance and Low IQ

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ISL78302ARFBZ 数据手册

DATASHEET

ISL78302

FN7696

Rev 6.00

November 6, 2014

Dual LDO with Low Noise, High Performance and Low IQ

ISL78302 is a high performance dual LDO capable of sourcing

300mA current from each output. It has a low standby current

and is stable with an output capacitance of 1µF to 10µF and

an ESR of up to 200mΩ.

Features

• Integrates two 300mA high performance LDOs

• Excellent transient response to large current steps

• ±1.8% Accuracy over all operating conditions

The device integrates an individual Power-On-Reset (POR)

function for each output. The POR delay for VO2 can be

externally programmed by connecting a timing capacitor to the

CPOR pin. The POR delay for VO1 is internally fixed at

approximately 2ms. A reference bypass pin is also provided for

connecting a noise filtering capacitor for low noise and high-

PSRR applications.

• Excellent load regulation: <0.1% voltage change across full

range of load current

• Extremely low quiescent current: 47µA (both LDOs active)

• Wide input voltage capability: 2.3V to 6.5V

• Low dropout voltage: typically 300mV at 300mA

The quiescent current is typically only 47µA with both LDOs

enabled and active. Separate enable pins control each

individual LDO output. When both enable pins are low, the

device is in shutdown, typically drawing less than 0.5µA.

• Low output noise: typically 37µV

at 100µA (1.5V)

RMS

• Stable with 1µF to 10µF ceramic capacitors

• Separate enable and POR pins for each LDO

• Soft-start and staged turn-on to limit input current surge

during enable

The part operates down to 2.3V and up to 6.5V input. The

typical output voltage can be as low as 1.2V and as high as

3.3V for each regulator. Please refer to the “Ordering

Information” on page 3 for standard options.

• Current limit and over-temperature protection

• Tiny 10 Lead 3mm x 3mm DFN package

• AEC-Q100 qualified

The ISL78302 is AEC-Q100 qualified at the automotive

temperature range of -40°C to +105°C.

• Pb-free (RoHS Compliant)

Applications

• Radio receivers

• Camera modules

• GPS/navigation

• Infotainment systems

ISL78302

VIN (2.3 TO 6.5V)

ENABLE1

VIN

VO1

VO2

OUT1

EN1

OUT2

OFF

ENABLE2

OFF

EN2

POR2

POR1

RESET2

(200ms DELAY,

C3 = 0.01µF)

TOO LOW

OUT2

CBYP

OUT1

CPOR

GND

RESET1

(2ms DELAY)

TOO LOW

OUT1

C1, C4, C5: 1µF X5R CERAMIC CAPACITOR

C2: 0.01µF X7R CERAMIC CAPACITOR

C3: 0.01µF X7R CERAMIC CAPACITOR

FIGURE 1. TYPICAL APPLICATION

FN7696 Rev 6.00

November 6, 2014

Page 1 of 13

12 3 4 5 6 7...13

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与ISL78302ARFBZ相关器件

型号	品牌	获取价格	描述	数据表
ISL78302ARFBZ-T13	RENESAS	获取价格	FIXED POSITIVE LDO REGULATOR
ISL78302ARFBZ-T7	RENESAS	获取价格	FIXED POSITIVE LDO REGULATOR
ISL78302ARFWZ	INTERSIL	获取价格	Dual LDO with Low Noise, High Performance and Low IQ
ISL78302ARFWZ	RENESAS	获取价格	Dual LDO with Low Noise, High Performance and Low IQ
ISL78302ARFWZ-T13	RENESAS	获取价格	FIXED POSITIVE LDO REGULATOR
ISL78302ARFWZ-T7	RENESAS	获取价格	FIXED POSITIVE LDO REGULATOR
ISL78302ARNBZ	INTERSIL	获取价格	Dual LDO with Low Noise, High Performance and Low IQ
ISL78302ARNBZ	RENESAS	获取价格	Dual LDO with Low Noise, High Performance and Low IQ
ISL78302ARNBZ-T13	RENESAS	获取价格	FIXED POSITIVE LDO REGULATOR
ISL78302ARNBZ-T7	RENESAS	获取价格	FIXED POSITIVE LDO REGULATOR

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