ST1S50PUR
DC-DC Switching Buck Step Down Regulator, Adjustable, 4V-18V in, 4A out, 500kHz, VFDFN-8
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| Quantity | Price |
|---|---|
| 1+ | $1.910 |
| 10+ | $1.440 |
| 25+ | $1.310 |
| 50+ | $1.240 |
| 100+ | $1.170 |
| 250+ | $1.100 |
| 500+ | $1.060 |
| 1000+ | $1.010 |
Product Information
Product Overview
ST1S50PUR is a 4A monolithic synchronous step-down switching converter with high efficiency at light load. The ST1S50 device is a 500KHz fixed frequency PWM synchronous step-down regulator. The ST1S50 operates from 4.0V to 18V input, while it regulates an output voltage as low as 0.8V and up to 0.88 x VIN. The ST1S50 device integrates a 95mohm high-side switch and a 69mohm synchronous rectifier allowing very high efficiency with very low output voltages. The peak current mode control with a special PFM mode enables high efficiency at a light load. Typical applications include point of load for: STB, TVs, gateway, solid state disk drive, Blu-ray, DVD, µP/ASIC/DSP/FPGA core and I/O supplies.
- Output voltage adjustable from 0.8V to 0.88 x VIN
- High efficiency at light load
- Programmable soft-start and enable
- All ceramic capacitor
- Cycle-by-cycle current limiting
- Short-circuit protection
- Available in 10 pin VFDFPN package
Technical Specifications
Adjustable
1Outputs
4V
4A
VFDFN
Surface Mount
800mV
500kHz
-40°C
-
MSL 3 - 168 hours
VFDFN
500kHz
Adjustable
Synchronous Buck (Step Down)
18V
4A
8Pins
-
-
-
150°C
-
No SVHC (25-Jun-2025)
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Technical Docs (2)
Legislation and Environmental
RoHS
RoHS
Product Compliance Certificate