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Manufacturer Part #

ST1S12GR

ST Series 5.5V 2.08 MHz Buck Surface Mount Switching Regulator - TSOT-23-5

ECAD Model:
Mfr. Name: STMicroelectronics
Standard Pkg:
Product Variant Information section
Date Code: 1748
Product Specification Section
Technical Attributes
Attributes Table
Topology: Buck
Input Voltage: 2.5V to 5.5V
Output Current-Max: 0.7A
Output Type: Adjustable
Switching Frequency-Max: 2.08MHz
Operating Temp Range: -40°C to +125°C
Duty Cycle-Max: 100%
Efficiency: 90%
No. of Outputs: 1
Quiescent Current: 500µA
Storage Temperature Range: -65°C to +150°C
Load Regulation (%): 0.005%
Package Style:  TSOT-23-5
Mounting Method: Surface Mount
Features & Applications

The ST1S12GR is an adjustable current mode PWM step-down DC-DC converter with internal 0.7 A power switch, packaged in TSOT23-5L.

Features:

  • Step-down current mode PWM (1.7 MHz) DC-DC converter
  • 3% DC output voltage tolerance
  • Synchronous rectification
  • Fixed output voltage 1.2 V, 1.8 V, and ADJ (available on request 1.5 V, 2.5 V and 3.3 V)
  • Enable function
  • Internal soft start
  • Typical efficiency: > 90%
  • 0.7 A output current capability
  • Not switching quiescent current: max 650 μA over temperature range
  • RDSON typ. 250 mΩ and 400 mΩ
  • Uses tiny capacitors and inductors
  • Operative junction temp. -40 °C to 125 °C
  • Available in TSOT23-5L package
Pricing Section
Global Stock:
3,000
Germany (Online Only):
3,000
9,000
Factory Stock:Factory Stock:
0
Minimum Order:
3000
Multiple Of:
3000
Total
$3,360.00
USD
Quantity
Web Price
3,000
$1.12
6,000
$0.905
9,000+
$0.895
Product Variant Information section