STMicroelectronics ST1S40IPHR, Voltage Regulator 18V HSOP 8-Pin

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TWD51.00

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TWD53.55

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包裝方式：
RS庫存編號:
188-9381
製造零件編號:
ST1S40IPHR
製造商:
STMicroelectronics
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品牌

STMicroelectronics

Product Type

Voltage Regulator

Package Type

HSOP

Mount Type

Surface

Polarity

Positive

Quiescent Current

15μA

Pin Count

8

Length

5mm

Standards/Approvals

No

Height

1.55mm

Width

4 mm

Maximum Operating Temperature

150°C

Maximum Input Voltage

18V

Minimum Input Voltage

4V

Automotive Standard

No

The ST1S40 device is an internally compensated 850 kHz fixed-frequency PWM synchronous step-down regulator. The ST1S40 operates from 4.0 V to 18 V input, while it regulates an output voltage as low as 0.8 V and up to VIN. The ST1S40 integrates a 95 mΩ high side switch and 69 mΩ synchronous rectifier allowing very high efficiency with very low output voltages. The peak current mode control with internal compensation delivers a very compact solution with a minimum component count. The ST1S40 is available in HSOP-8, VFQFPN 4 mm x 4 mm - 8 lead, and standard SO8 package.

3 A DC output current

4.0 V to 18 V input voltage

Output voltage adjustable from 0.8 V

850 kHz switching frequency

Internal soft-start

Integrated 95 mΩ and 69 mΩ Power MOSFETs

All ceramic capacitor

Enable

Cycle-by-cycle current limiting

Current fold back short-circuit protection

Available in HSOP-8, VFQFPN4x4-8L, and SO8 packages

Applications

μP/ASIC/DSP/FPGA core and I/O supplies

Point of load for: STB, TVs, DVD

Optical storage, hard disk drive, printers, audio/graphic cards

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