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ISL9011 Datasheet(PDF) 1 Page - Intersil Corporation

Part No. ISL9011
Description  Dual LDO with Low Noise, Low IQ, and High PSRR
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL9011 Datasheet(HTML) 1 Page - Intersil Corporation

 
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1
®
FN9219.4
ISL9011
Dual LDO with Low Noise, Low IQ, and
High PSRR
ISL9011 is a high performance dual LDO capable of
sourcing 150mA current from channel 1 and 300mA from
channel 2. The device has a low standby current and high-
PSRR and is stable with output capacitance of 1
µF to 10µF
with ESR of up to 200m
Ω.
A reference bypass pin allows an external capacitor for
adjusting a noise filter for low noise and high PSRR
applications.
The quiescent current is typically only 45
µA 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 0.1
µA.
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.
Pinout
ISL9011
10 LD 3X3 DFN
TOP VIEW
Features
• Integrates two high performance LDOs
- VO1 - 150mA output
- VO2 - 300mA output
• Excellent transient response to large current steps
• Excellent load regulation:
• <1% voltage change across full range of load current
• High PSRR: 70dB @ 1kHz
• Wide input voltage capability: 2.3V - 6.5V
• Extremely low quiescent current: 45
µA (both LDOs active)
• Low dropout voltage: typically 120mV @ 150mA
• Low output noise: typically 30
µVrms @ 100µA (1.5V)
• Stable with 1-10
µF ceramic capacitors
• Separate enable pins for each LDO
• Soft-start to limit input current surge during enable
• Current limit and overheat protection
• ±1.8% accuracy over all operating conditions
• Tiny 10 Ld 3x3mm DFN package
• -40°C to +85°C operating temperature range
• Pin compatible with Micrel MIC2211
• Pb-free plus anneal available (RoHS compliant)
Applications
• PDAs, Cell Phones and Smart Phones
• Portable Instruments, MP3 Players
• Handheld Devices including Medical Handhelds
VIN
EN1
EN2
CBYP
NC
VO1
VO2
NC
NC
GND
2
3
4
1
5
9
8
7
10
6
Data Sheet
June 21, 2006
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 © Intersil Americas Inc. 2005, 2006. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.


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