ISL9014(2006) 데이터 시트보기 (PDF) - Intersil
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ISL9014 Datasheet PDF : 11 Pages
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Data Sheet
April 26, 2006
ISL9014
FN9245.2
Dual LDO with Low Noise, Low IQ, and
High PSRR
ISL9014 is a high performance dual LDO capable of
sourcing 300mA current from both outputs. The device has a
low standby current and high-PSRR and is stable with output
capacitance of 1μF to 10μF with ESR of up to 200mΩ.
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 45μA 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 0.1μA.
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
ISL9014
10 LD 3X3 DFN
TOP VIEW
VIN 1
EN1 2
EN2 3
CBYP 4
NC 5
10 VO1
9 VO2
8 NC
7 NC
6 GND
Features
• Integrates two high performance LDOs
- VO1 - 300mA 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: 45μA (both LDOs active)
• Low dropout voltage: typically 200mV @ 300mA
• Low output noise: typically 30μVrms @ 100μA (1.5V)
• Stable with 1-10μF 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
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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Copyright © Intersil Americas Inc. 2005, 2006. All Rights Reserved.
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