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參數(shù)資料
| 型號： | LP3984IBPX-2.0 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Solid-State Panel Mount Relay; Output Device:MOSFET; Output Voltage Max:500VDC; Control Voltage Max:32VDC; Control Voltage Min:3.5VDC; Load Current Max:7A; Switching:DC Switch RoHS Compliant: Yes |
| 中文描述： | 2 V FIXED POSITIVE LDO REGULATOR, 0.12 V DROPOUT, PBGA4 |
| 封裝： | 0.995 MM HEIGHT, MICRO, BUMP, SMD-4 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 293K |
| 代理商： | LP3984IBPX-2.0 |
LP3984
Micropower, 150mA Ultra Low-Dropout CMOS Voltage
Regulator in Subminiature 4-I/O micro SMD Package
General Description
The LP3984 is designed for portable and wireless applica-
tions with demanding performance and space requirements.
The LP3984’s performance is optimized for battery powered
systems to deliver extremely low dropout voltage and low
quiescent current. Regulator ground current increases only
slightly in dropout, further prolonging the battery life.
Power supply rejection is better than 60 dB at low frequen-
cies and starts to roll off at 10 kHz. High power supply
rejection is maintained down to lower input voltage levels
common to battery operated circuits.
The device is ideal for mobile phone and similar battery
powered wireless applications. It provides up to 150 mA,
from a 2.5V to 6V input, consuming less than 1.2μA in
disable mode and has fast turn-on time less than 20μs.
The LP3984 is available in micro SMD and 5 pin SOT-23
package. Performance is specified for 40C to +125C
temperature range and is available in 1.5V, 1.8V, 2.0V, and
3.1V output voltages. For other output voltage options from
1.5V to 3.5V, please contact National Semiconductor sales
office.
Key Specifications
n
2.5 to 6.0V input range
n
150mA guaranteed output
n
60dB PSRR at 1kHz, 40dB at 10kHz
@
3.1V
IN
n
≤
1.2μA quiescent current when shut down
n
Fast Turn-On time: 20 μs (typ.)
n
75mV typ dropout with 150mA load
n
40 to +125C junction temperature range for operation
n
1.5V, 1.8V, 2.0V, and 3.1V
Features
n
Miniature 4-I/O micro SMD and SOT-23-5 package
n
Logic controlled enable
n
Stable with tantalum capacitors
n
1 μF Tantalum output capacitor
n
Fast turn-on
n
Thermal shutdown and short-circuit current limit
Applications
n
CDMA cellular handsets
n
Wideband CDMA cellular handsets
n
GSM cellular handsets
n
Portable information appliances
Typical Application Circuit
20020402
Note: Pin Numbers in parenthesis indicate micro SMD package.
November 2001
L
m
2001 National Semiconductor Corporation
DS200204
www.national.com
相關PDF資料 |
PDF描述 |
|---|---|
| LP3984IMFX-3.1 | Electronics Master Test Lead Set RoHS Compliant: NA |
| LP3984IBP-3.1 | Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package |
| LP3984IBPX-1.5 | Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package |
| LP3984IBPX-1.8 | Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package |
| LP3984IBPX-3.1 | Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LP3984IBPX-3.1 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package |
| LP3984IMF1.5 | 制造商:National Semiconductor 功能描述:LDO Regulator Pos 1.5V 0.15A 5-Pin SOT-23 T/R |
| LP3984IMF-1.5 | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3984IMF-1.5/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3984IMF-1.5/NOPB | 制造商:Texas Instruments 功能描述:Voltage Regulator IC |
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