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SA57250-XX

Features: • Operates from 0.7 to 9 VDC• Ultra low operating supply current-typically 17 mA• ON/OFF power control• Built-in power FET• High efficiency-typically 83%• High precision output-typically ±2.4%• Operating temperature range of 40 to +85 °C• A...

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SA57250-XX: Features: • Operates from 0.7 to 9 VDC• Ultra low operating supply current-typically 17 mA• ON/OFF power control• Built-in power FET• High efficiency-typically 83%̶...

SA57250-XX Data Sheet

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Part Number:
SA57250-XX
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:

• Operates from 0.7 to 9 VDC
• Ultra low operating supply current-typically 17 mA
• ON/OFF power control
• Built-in power FET
• High efficiency-typically 83%
• High precision output-typically ±2.4%
• Operating temperature range of 40 to +85 °C
• Available output voltages: 2.0, 2.5, 2.8, 3.0, 3.3, 3.6, 5.0 VDC
• Available in SOT23-5 surface mount package


Application

• Mobile and portable phones
• Instrumentation and industrial products
• Other portable, battery-operated equipment


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER
MIN.
MAX.
UNIT
VDD Power supply voltage
-0.3
11
V
VFB FB pin voltage
-0.3
11
V
VONOFF ON/OFF pin voltage
-0.3
11
V
VSW SW pin voltage
-0.3
11
V
TSW SW pin current
-
300
mA
Toper Operating temperature
-40
+85
°C
Tstg Storage temperature
-40
+125
°C
PD Power dissipation
-
150
mW



Description

The SA57250-XX is a fully integrated DC/DC converter circuit built with CMOS technology. SA57250-XX uses a pulse width modulation (PWM) controlled switching regulator circuit for low ripple and high efficiency (typically 83%). The regulator has a high precision output with ±2.4% accuracy. Few external components are required.

The SA57250 has an ON/OFF control that may be used to turn off the converter and conserve power in battery powered applications. Power off supply current of SA57250-XX is no more than 0.5 mA. A built-in, soft-start circuit reduces current inrush and voltage overshoot during start up. A low resistance CMOS power FET, with low leakage current and low parasitic capacitance, is on-chip.




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