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Manufacturer Part #

ST1S10PHR

ST1S10 Series 18 V 3 A 1.1 MHz SMT Buck Switching Regulator - Power SO-8

ECAD Model:
Mfr. Name: STMicroelectronics
Standard Pkg:
Date Code: 2403
Product Specification Section
STMicroelectronics ST1S10PHR - Technical Attributes
Attributes Table
Topology: Buck
Input Voltage: 2.5V to 18V
Output Current-Max: 3A
Output Voltage Range: 0.8V to 15.3V
Output Type: Adjustable
Switching Frequency-Max: 1.1MHz
Operating Temp Range: -40°C to +125°C
Duty Cycle-Max: 90%
Efficiency: 90%
No. of Outputs: 1
Quiescent Current: 1.5mA
Storage Temperature Range: -40°C to +150°C
Load Regulation (%): 0.5%
Package Style:  POWERSO-8
Mounting Method: Surface Mount
Features & Applications
The ST1S10PHR is a high efficiency step-down PWM current mode switching regulator capable of providing up to 3 A of output current.

The ST1S10 provides excellent transient response, and is fully protected against thermal overheating, switching over-current and output short circuit. The ST1S10 is the ideal choice for point-of-load regulators or LDO preregulation. It has an Operating temperature ranges b/w -25 °C to 125 °C and available in SOIC-8 package.

Product Features:

  • Step-down current mode PWM regulator
  • Output voltage adjustable from 0.8 V
  • Input voltage from 2.5 V up to 18 V
  • 2% DC output voltage tolerance
  • Synchronous rectification
  • Inhibit function
  • Synchronizable switching frequency from 400 kHz up to 1.2 MHz
  • Internal soft start
  • Dynamic short circuit protection
  • Typical efficiency: 90%
  • 3 A output current capability
  • Stand-by supply current: max 6 μA over temperature range

Applications:

  • Consumer
    • STB, DVD, DVD recorders, TV, VCR, car audio, LCD monitors
  • Networking
    • XDSL, modems, DC-DC modules
  • Computer
    • Optical storage, HD drivers, printers, audio/graphic cards
  • Industrial and security
    • Battery chargers, DC-DC converters, PLD, PLA, FPGA, LED drivers
Pricing Section
Global Stock:
22,500
Germany (Online Only):
22,500
27,500
Factory Stock:Factory Stock:
0
Factory Lead Time:
18 Weeks
Minimum Order:
2500
Multiple Of:
2500
Total
$1,975.00
USD
Quantity
Web Price
2,500
$0.79
5,000
$0.775
7,500
$0.765
10,000
$0.76
12,500+
$0.74