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參數(shù)資料
| 型號： | SA57031-XXUK |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Micropower 150 mA, low-noise, low dropout linear regulator with on/off |
| 中文描述： | 微功耗為150 mA，低噪聲，低壓差線性穩(wěn)壓器的開/關(guān) |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 161K |
| 代理商： | SA57031-XXUK |
Philips Semiconductors
Product data
SA57031-XX
Micropower 150 mA, low-noise, low dropout linear
regulator with on/off
2
2003 Jun 23
853-2361 28634
GENERAL DESCRIPTION
The SA57031 is a 150 mA, fixed output voltage regulator designed
to provide very low dropout voltage and low noise in battery
powered and portable applications. The output voltage is preset to
voltages between 1.8 to 5.0 Volts, in 100 mV increments.
The SA57031 achieves excellent performance in all specifications
such as excellent power supply ripple rejection at low frequency, low
supply-current, low dropout voltage, low power consumption,
extremely small size with chip scaled package (CSP), extremely low
output noise voltage, very fast start-up response time, precision
output, fast dynamic response to line and load regulation, etc. This
regulator consists of an internal voltage reference, and current limit.
The SA57031 is housed in a WL-CSP4 package (see dimensional
drawing for layout).
Bottom View
FEATURES
Many Preset Output Voltages: 1.8 to 5.0 V in 0.1 V increments
Wafer-level chip scale package (WL-CSP4)
Extremely low PSRR: 80 dB typical at 1 kHz
Low Dropout Voltage: 100 mV (typ) @ 50 mA output current
Very Low Consumption Current: 100 mA typ. (when not loaded),
0.1 mA max. (when off)
High precision Output Voltage:
±
2%
Output Current Capacity: 150 mA (typ)
Low Noise: 30mVrms @ 10 Hz to 100 kHz
Good Line Regulation: 0.01%/V typ.
Good Load Regulation: 0.003%/mA typ.
Low Temperature Drift Co-efficient to V
O
:
±
100 ppm/
°
C
Built-in Current Limiter
Wide Operating Temperature Range: –40 to +85
°
C
APPLICATIONS
Cellular Phones, Cordless Phones and 2-way Radios
Electronic Notebooks, PDAs and Palmtop Computers
Cameras, VCRs and Camcorders
PCMCIA Cards
Modems
Battery-powered or Hand-held Instruments
SIMPLIFIED SYSTEM DIAGRAM (BOTTOM VIEW)
SL02001
B2
A1
B1
V
O
GND
C
O
C
I
2.2
μ
F
ON
A2
V
I
SA57031-XX
OFF
+
–
DC
2.0 V TO 6.0 V
R
LOAD
V
Preset output voltages:
1.8 V to 5.0 V
(in 100 mV increments)
Figure 1. Simplified system diagram.
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| SA571D | 功能描述:音頻放大器 Dual Gain Compandor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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