参数资料
| 型号： | ISL9021IRUYZ-T |
| 厂商： | Intersil |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 0.9V .25A 6UTDFN |
| 标准包装： | 3,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 0.9V |
| 输入电压： | 1.5 V ~ 5.5 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 250mA（最小） |
| 电流 - 限制（最小）： | 260mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-UFDFN |
| 供应商设备封装： | 6-UTDFN（1.6x1.6） |
| 包装： | 带卷 (TR) |
ISL9021
E SI G
RN EW D P A R T
N D E P LA C E M
ME
R EC
D ED
021A
N O T O M M EN ISL9
R EC
OM RE
NS
D FO ENT Datasheet
January 14, 2010
FN6867.2
250mA Single LDO with Low I Q , Low
Noise and High PSRR LDO
The ISL9021 is a single LDO providing high performance
low input voltage, high PSRR. It delivers guaranteed
continuous 250mA load current and is stable with 1μF to
4.7μF of output capacitance (±30%) with an ESR range of
5m Ω to 400m Ω .
The input voltage range for the ISL9021 is between 1.5V to
5.5V and the output voltage comes in many fixed voltage
options with ±1.8% accuracy over temperature, line and load
ranges. Other output voltage within the range of 0.9V to 3.3V
may be available upon request. The ISL9021 has typical
PSRR of 75dB @ 10kHz and 50dB @ 1MHz.
The reverse current protection feature prevents current from
flowing back to the power source when the output voltage is
pulled higher than the input.
The ISL9021 is offered in tiny 4-bump 1.155mmx0.975mm
WLCSP and 1.6mmx1.6mm 6 Ld μTDFN packages.
Pinouts
ISL9021
(6 LD 1.6x1.6 μTDFN)
Features
? High Performance LDO with 250mA guaranteed
continuous output current
? Input Voltage Range: 1.5V to 5.5V
? Output Voltage Range: 0.9V to 3.3V
? High PSRR: 75dB @ 10kHz, 50dB @ 1MHz
? Low Quiescent Current: 35μA
? Dropout Voltage: <150mV @ 250mA
? Stable with 1μF to 4.7μF Output Capacitance (±30%) with
an ESR range of 5m Ω to 400m Ω
? ±1.8% Output Accuracy Over-Temperature/Load/Line
? Soft-start Limits Input Current Surge During Enable
? Current Limit and Overheat Protection
? -40°C to +85°C Operating Temperature Range
? Available in 1.155mmx0.975mm 4-bump WLCSP
Package and 1.6mmx1.6mm 6 Ld μTDFN
? Pb-free (RoHS compliant)
Applications
TOP VIEW
? PDAs, Cell Phones and Smart Phones
VIN 1
NC 2
6
5
VO
NC
? Portable Instruments, MP3 Players
? Handheld Devices including Medical Handhelds
EN 3
4 GND
ISL9021
(4 BALL 1.155x0.975 WLCSP)
TOP VIEW
GND
EN
A2
A1
1
B2
B1
VOUT
VIN
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. 2009, 2010. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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