Datasheet > ISL9000_06

ISL9000_06

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
11页	223K
描述
Dual LDO with Low Noise, Very High PSRR, and Low IQ

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ISL9000_06 数据手册

ISL9000

Data Sheet

August 2, 2006

FN9217.3

Dual LDO with Low Noise, Very High

PSRR, and Low I

Features

• Integrates two 300mA high performance LDO’s

• Excellent transient response to large current steps

• ±1.8% accuracy over all operating conditions

ISL9000 is a high performance dual LDO capable of

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

standby current and very high PSRR and is stable with

output capacitance of 1μF to 10μF with ESR of up to 200mΩ.

• Excellent load regulation:

< 0.1% voltage change across full range of load current

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.

• Low output noise: typically 30μVrms @ 100μA (1.5V)

• Very high PSRR: 90dB @ 1kHz

• Extremely low quiescent current: 42μA (both LDOs active)

• Wide input voltage capability: 2.3V to 6.5V

• Low dropout voltage: typically 200mV @ 300mA

• Stable with 1μF-10μF ceramic capacitors

The quiescent current is typically only 42μA with both LDO’s

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 0.1μA.

• Separate enable and POR pins for each LDO

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

during enable

Several combinations of voltage outputs are standard.

Others are available on request. Output voltage options for

each LDO range from 1.2V to 3.6V.

• Current limit and overheat protection

• Tiny 10 Ld 3x3mm DFN package

Pinout

• -40°C to +85°C operating temperature range

• Pb-free plus anneal available (RoHS compliant)

ISL9000

10 LD 3X3 DFN

TOP VIEW

Applications

• PDAs, Cell Phones and Smart Phones

• Portable Instruments, MP3 Players

• Handheld Devices including Medical Handhelds

VO1

VO2

VIN

EN1

EN2

POR2

POR1

GND

CBYP

CPOR

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.

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