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ISL9000IRBJZ-T Datasheet

  • ISL9000IRBJZ-T

  • Dual LDO with Low Noise, Very High PSRR, and Low IQ

  • 11頁

  • INTERSIL   INTERSIL

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ISL9000
Data Sheet
September 21, 2005
FN9217.0
Dual LDO with Low Noise, Very High
PSRR, and Low I
Q
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 1碌F to 10碌F with ESR of up to 200m鈩?
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.
The quiescent current is typically only 42碌A(chǔ) with both LDO鈥檚
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 0.1碌A(chǔ).
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.
Features
鈥?Integrates two 300mA high performance LDO鈥檚
鈥?Excellent transient response to large current steps
鈥?鹵1.8% accuracy over all operating conditions
鈥?Excellent load regulation:
< 0.1% voltage change across full range of load current
鈥?Low output noise: typically 30碌Vrms @ 100碌A(chǔ) (1.5V)
鈥?Very high PSRR: 90dB @ 1kHz
鈥?Extremely low quiescent current: 42碌A(chǔ) (both LDOs active)
鈥?Wide input voltage capability: 2.3V - 6.5V
鈥?Low dropout voltage: typically 200mV @ 300mA
鈥?Stable with 1-10碌F ceramic capacitors
鈥?Separate enable and POR pins for each LDO
鈥?Soft-start and staged turn-on to limit input current surge
during enable
鈥?Current limit and overheat protection
鈥?Tiny 10 Ld 3x3mm DFN package
鈥?-40擄C to +85擄C operating temperature range
Pinout
ISL9000
10 LD 3X3 DFN
TOP VIEW
鈥?Pb-free plus anneal available (RoHS compliant)
Applications
10 VO1
9
8
7
6
VO2
POR2
POR1
GND
VIN 1
EN1 2
EN2 3
CBYP 4
CPOR 5
鈥?PDAs, Cell Phones and Smart Phones
鈥?Portable Instruments, MP3 Players
鈥?Handheld Devices including Medical Handhelds
1
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.
Copyright 漏 Intersil Americas Inc. 2005. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.

ISL9000IRBJZ-T 產(chǎn)品屬性

  • 1

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式

  • 1.5V，2.8V

  • 2.3 V ~ 6.5 V

  • -，0.25V @ 300mA

  • 2

  • 300mA（最?。?/p>

  • 350mA

  • -40°C ~ 85°C

  • 表面貼裝

  • 10-VFDFN 裸露焊盤

  • 10-DFN（3x3）

  • 剪切帶 (CT)

  • ISL9000IRBJZ-TCT

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