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參數資料
| 型號： | ISL9011IRRKZ-T |
| 廠商： | Intersil Corporation |
| 英文描述： | Dual LDO with Low Noise, Low IQ, and High PSRR |
| 中文描述： | 雙路LDO穩壓器具有低噪音，低智商，及高PSRR |
| 文件頁數： | 1/12頁 |
| 文件大小： | 287K |
| 代理商： | ISL9011IRRKZ-T |
1
FN9219.1
ISL9011
Dual LDO with Low Noise, Low I
Q
, 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
μ
F to 10
μ
F
with ESR of up to 200m
.
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
μ
A 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
μ
A.
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
μ
A (both LDOs active)
Low dropout voltage: typically 120mV @ 150mA
Low output noise: typically 30
μ
Vrms @ 100
μ
A (1.5V)
Stable with 1-10
μ
F 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
October 13, 2005
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. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
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