STMicroelectronics ST1S40IPHR, 1 Linear Voltage, Voltage Regulator 3A, 0.8 → 1.8 V 8-Pin, HSOP
- RS Stock No.:
- 188-9210
- Mfr. Part No.:
- ST1S40IPHR
- Brand:
- STMicroelectronics
Subtotal (1 reel of 2500 units)*
£2,595.00
(exc. VAT)
£3,115.00
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- Shipping from 06 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Reel* |
---|---|---|
2500 + | £1.038 | £2,595.00 |
*price indicative
- RS Stock No.:
- 188-9210
- Mfr. Part No.:
- ST1S40IPHR
- Brand:
- STMicroelectronics
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
---|---|---|
Brand | STMicroelectronics | |
Regulator Type | Linear Voltage | |
Maximum Output Current | 3A | |
Output Voltage | 0.8 → 1.8 V | |
Number of Outputs | 1 | |
Line Regulation | 0.4 % | |
Load Regulation | 0.5 Typ.) % | |
Mounting Type | Surface Mount | |
Quiescent Current | 15µA | |
Package Type | HSOP | |
Pin Count | 8 | |
Output Type | Adjustable | |
Dimensions | 5 x 4 x 1.55mm | |
Minimum Input Voltage | 4 V | |
Height | 1.55mm | |
Minimum Operating Temperature | -40 °C | |
Maximum Operating Temperature | +150 °C | |
Maximum Input Voltage | 18 V | |
Width | 4mm | |
Length | 5mm | |
Select all | ||
---|---|---|
Brand STMicroelectronics | ||
Regulator Type Linear Voltage | ||
Maximum Output Current 3A | ||
Output Voltage 0.8 → 1.8 V | ||
Number of Outputs 1 | ||
Line Regulation 0.4 % | ||
Load Regulation 0.5 Typ.) % | ||
Mounting Type Surface Mount | ||
Quiescent Current 15µA | ||
Package Type HSOP | ||
Pin Count 8 | ||
Output Type Adjustable | ||
Dimensions 5 x 4 x 1.55mm | ||
Minimum Input Voltage 4 V | ||
Height 1.55mm | ||
Minimum Operating Temperature -40 °C | ||
Maximum Operating Temperature +150 °C | ||
Maximum Input Voltage 18 V | ||
Width 4mm | ||
Length 5mm | ||
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
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
Related links
- STMicroelectronics ST1S40IPHR Voltage Regulator 3A HSOP
- STMicroelectronics A7986ATR Voltage Regulator 3A HSOP
- STMicroelectronics A5973ADTR Voltage Regulator 1.5A HSOP
- STMicroelectronics L7985ATR Voltage Regulator 2A HSOP
- STMicroelectronics L7986ATR Voltage Regulator 3A HSOP
- onsemi NCP51200MNTXG Voltage Regulator 3A DFN
- ROHM BU18JA3DG-CTR Voltage Regulator 300mA, 1.8 V
- DiodesZetex AZ2185D-ADJTRG1 Linear Voltage Regulator 3A