ST1S41PUR vs ST1S10PHR Comparison

Detailed side-by-side comparison of ST1S41PUR by STMicroelectronics and ST1S10PHR by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

STMicroelectronics
ST1S41PUR ST1S41PUR - 4A 18V Sync Step-Down DC-DC | STMicroelectronics

ST1S41PUR - 4A 18V Sync Step-Down DC-DC | STMicroelectronics

ST1S41PUR ✓ Active

Specification Comparison

Parameter ST1S41PUR ST1S10PHR
Brand STMicroelectronics STMicroelectronics
Category DC-DC Converters DC-DC Converters
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $0.92 $0.78
Topology Synchronous Buck (Step-Down) DC-DC Converter Synchronous Step-Down (Buck)
Input Voltage Range 4.0 V to 18 V 2.5 V to 18 V
Output Voltage Range 0.8 V to VIN (adjustable) 0.8 V to 0.85 x VIN (adjustable)
Maximum Output Current 4 A continuous 3 A
Switching Frequency 850 kHz nominal (700 kHz to 1 MHz adjustable) 900 kHz fixed (400 kHz to 1.2 MHz with external sync)
High-Side Switch Rds(on) 95 mΩ —
Low-Side Switch Rds(on) 69 mΩ (synchronous rectifier) —
Control Method Peak Current-Mode PWM with Internal Compensation —
Peak Efficiency Up to 90% —
Quiescent Current 1.5 mA typical —
Soft-Start Internal —
Protection Features Overcurrent, Thermal Shutdown, Cycle-by-Cycle Current Limit Cycle-by-cycle current limit, thermal shutdown, internal soft-start
Operating Temperature Range -40 °C to +125 °C junction -40 °C to +125 °C
Package VFQFPN-8 (3x3 mm) with exposed thermal pad PowerSO-8 (HSOP-8) exposed pad
Mounting Type Surface Mount Surface Mount
MSL Level 1 3 (per JEDEC J-STD-020)
RoHS Status Compliant Compliant
Control Mode — Peak Current-Mode PWM
High-Side MOSFET RDS(on) — [DATA_NEEDED: RDS(on) high-side typical value]
Low-Side MOSFET RDS(on) — [DATA_NEEDED: RDS(on) low-side typical value]
Typical Quiescent Current — 1.5 mA
Efficiency — Up to 90 % at full load
Feedback Voltage — 0.8 V (VFB reference)
Synchronization Input — Yes (SYNC/INH pin, 400 kHz to 1.2 MHz)

Datasheets & Resources

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