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參數(shù)資料
| 型號： | 935269474115 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 3.3 V FIXED POSITIVE LDO REGULATOR, 0.055 V DROPOUT, PDSO5 |
| 封裝： | PLASTIC, MO-178, SOT-25, SOT-23, SO-5 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 151K |
| 代理商： | 935269474115 |
Philips Semiconductors
Product data
SA57004-XX
Low-noise 150 mA linear CMOS regulator
2
2001 Dec 17
853–2276 27466
GENERAL DESCRIPTION
The SA57004 is a 150 mA, fixed output voltage regulator designed
to provide low noise in battery powered and portable applications.
The output voltage is preset to voltages in the range of 1.8 to
5.0 Volts.
Designed with CMOS process, the SA57004 achieves unequalled
performance in specifications critical to battery-powered designs
such as low supply-current, low power consumption, small size, fast
dynamic response to line and load, precision output, and so on.
Each of these regulators consists of an internal voltage reference,
an error amplifier, resistors, a current limiting circuit and a chip
enable circuit.
The SA57004 series are housed in the SOT23-5 5-lead package.
FEATURES
Very low consumption current:
1.5
A typ. (when not loaded, excluding CE current),
0.1
A typ. (when off)
High precision output voltage: ±2%
Output current capacity: 150 mA
Good line regulation: 0.05%/V typ.
Low temperature drift co-efficient to V
OUT: ±100 ppm/°C
Built-in current limit circuit: 60 mA typ.
Wide operating temperature range: –30 to +85 °C
Wide preset output voltage range: 1.8 to 5.0 V
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
SL01442
1
5
GND
VIN
ON/OFF
VOUT
4
2
SA57004-XX
R
10 k
R
CURRENT
LIMIT
VREF
Figure 1. Simplified system diagram.
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