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SA57026

Features: • Very low dropout voltage: 500 mV typ. (Iout = 50 mA)• High precision output voltage: ±2%• Output current capacity: 300 mA• Low noise: 40 mVrms typ. @ 20 Hz to 80 KHz and for Cn = 10 nF• Extremely good line regulation: 10 mV typical• Extremely good lo...

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SA57026: Features: • Very low dropout voltage: 500 mV typ. (Iout = 50 mA)• High precision output voltage: ±2%• Output current capacity: 300 mA• Low noise: 40 mVrms typ. @ 20 Hz to 80 ...

SA57026 Data Sheet

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Part Number:
SA57026
Supply Ability:
5000

Price Break

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

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Upload time: 2025/12/26

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Product Details

Description



Features:

• Very low dropout voltage: 500 mV typ. (Iout = 50 mA)
• High precision output voltage: ±2%
• Output current capacity: 300 mA
• Low noise: 40 mVrms typ. @ 20 Hz to 80 KHz and for Cn = 10 nF
• Extremely good line regulation: 10 mV typical
• Extremely good load regulation: 20 mV typical
• Low temperature drift co-efficient to Vout: ±100 ppm/°C
• Internal current limit and thermal shut-down circuits
• Adjustment-free reset detection voltage: 4.2 V typ.
• Delay time can be adjusted by external capacitor
• Wide operating temperature range: 40 °C to +85 °C


Application

• CD-ROM drives
• Electronic notebooks, PDAs and palmtop computers
• Cameras, VCRs and camcorders
• PCMCIA cards
• Modems
• Battery-operated or hand-held instruments


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER
MIN.
MAX.
UNIT
VCC Single supply voltage
-0.3
+10
V
VIN Input voltage
0
400
mA
Tstg Storage temperature
-40
+85
°C
Tamb Operating temperature
-40
+125
°C
PD Power dissipation
-
800
mW



Description

The SA57026 has an extremely precise fixed output with a typical accuracy of ±2%. It is designed to provide very low dropout and low noise in CD-ROM drives, battery-operated systems, and portable computers applications. SA57026 consists of an internal voltage reference, an error amplifier, a driver with current limiter, and a thermal shut-down mechanism.

An Active-LOW RESET SA57026 is assered when the detected voltage (VDET) falls below the reset voltage threshold. The RESET output remains low for 30 ms (typical) when zero capacitance connected to Cd pin. The reset time delay of SA57026 can be adjusted by replacing cpacitance values from Cd pin to Ground.

The SA57026 is available in the SOP-7B package.




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