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SA57005

Features: • Very low dropout voltage: Vo1: 0.25 V typ.; Vo2: 0.28 V typ.; Vo3: 0.30 V typ.• Low noise: 60 mVrms typ. (f = 10 Hz to 10 kHz; IO = 30 mA)• High precision output voltage: ±3%• Output current capacity: Io1 and Io2 = 100 mA max; Io3 = 150 mA max.• Low consum...

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SA57005: Features: • Very low dropout voltage: Vo1: 0.25 V typ.; Vo2: 0.28 V typ.; Vo3: 0.30 V typ.• Low noise: 60 mVrms typ. (f = 10 Hz to 10 kHz; IO = 30 mA)• High precision output voltag...

SA57005 Data Sheet

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Part Number:
SA57005
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Very low dropout voltage: Vo1: 0.25 V typ.; Vo2: 0.28 V typ.; Vo3: 0.30 V typ.
• Low noise: 60 mVrms typ. (f = 10 Hz to 10 kHz; IO = 30 mA)
• High precision output voltage: ±3%
• Output current capacity: Io1 and Io2 = 100 mA max; Io3 = 150 mA max.
• Low consumption current: IIN1 = 250 mA typ., IIN2/IIN3 = 500 mA typ. (when not loaded), 3 mA max. (when off)
• Line regulation: 1%/V typ. (IOUT = 30 mA; VIN = 4.0 to 8.0 V)
• Load regulation: 30 mV typ. for IOUT = 0 to 70 mA
• Low temperature drift co-efficient to VOUT: ±100 ppm/°C
• Thermal shutdown
• Wide operating temperature range: 20 °C to +75 °C


Application

• Cellular phones, cordless phones and 2-way radios
• Electronic notebooks, PDAs and Palmtop computers
• Cameras, VCRs and camcorders
• Modems
• Battery-powered or hand-held instruments


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS
MIN.
MAX.
UNIT
VIN Power supply voltage  
-0.3
+12
V
I01.I02 Output current  
-
100
mA
Topr Operating ambient temperature  
-20
150
°C
Tstg Storage temperature  
-40
+125
°C
PD Power dissipation unmounted
-
-
300
500
mW
mW
when mounted on glass epoxy board
40 × 40 × 1.6 mm)



Description

The SA57005 is a very low dropout, low noise composite voltage regulator with three fixed independent outputs. The output voltages are preset to 2.5 V, 2.8 V and 3.0 V having a common input voltage pin VIN. Two ON/OFF switches of SA57005 allow Vo1 and Vo2/Vo3 to be turned off when not needed, thus conserving power. Also, three regulatorsin one package save board space, which is critical in microprocessor systems.

Designed for battery-powered and portable applications the SA57005 achieves unequalled performance in all specifications such as low supply-current, low dropout voltage, 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, and control switch. The SA57005 is housed in a VSOP-8A 8-lead package.




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