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參數(shù)資料
| 型號(hào)： | 935269469115 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器 |
| 英文描述： | 4.8 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO5 |
| 封裝： | PLASTIC, MO-178, SOT-23, SOT-25, SO-5 |
| 文件頁(yè)數(shù)： | 10/17頁(yè) |
| 文件大?。?/td> | 212K |
| 代理商： | 935269469115 |
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Philips Semiconductors
Product data
SA57001-XX
Microminiature, low power consumption,
low dropout regulator
2
2003 Mar 20
GENERAL DESCRIPTION
The SA57001-XX is a series of micro-miniature linear regulators
providing fixed output voltages with a precision accuracy of
±2% at
output currents up to 200 mA. The regulator is designed to serve as
a post regulator in microprocessor power supplies. The device has
an ON/OFF pin for output On/Off control, and a Noise pin which can
be used to bypass the internal voltage reference node for enhanced
noise reduction.
The SA57001 has a dropout voltage of only 0.1 V (typical) while
delivering 50 mA of output current. The maximum no load quiescent
current is less than 190
A in the ON state. The device has thermal
shutdown and output current limiting circuits to prevent damage from
overheating and short circuits. The SA57001 regulator series is
available in the SOT23-5 package.
FEATURES
No load quiescent current of 95 A
0.1 V typical (I
O = 50 mA) dropout voltage
70 dB typical ripple rejection
200 mA maximum output current
35 V
rms (typical)
Preset output voltages of 2.0, 2.5, 2.8, 3.0, 3.1, 3.3, 3.6, 4.5, 4.8,
5.0 V available
Output current limiting
Thermal shutdown protection
Output ON/OFF control.
APPLICATIONS
Cordless phones
Portable minidiscs
Other battery-operated equipment.
SIMPLIFIED SYSTEM DIAGRAM
SL01418
1
VIN
NOISE
GND
5
THERMAL
PROTECT
DRIVER
CURRENT
LIMIT
4
2
VREF
3
VOUT
0.01
F
CERAMIC
(OPTIONAL)
COUT
4.7
F
(ALUMINUM
ELECTROLYTIC)
OUTPUT (
±2%)
ON/OFF
SA57001-XX
Figure 1. Simplified system diagram.
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