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Medium to High Voltage LDO
Medium to High Voltage LDO
SCT71405F33OWCR
Pre-release
3V-40V Vin,500mA,Ultra-Low Quiescent Current LDO with Adjustable Output Voltage
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- Product Introduction
- Technical data
- Parameter comparison
Product Features
FEATURES：
• With up to 45V Transient Input Voltage
• Maximum Output Current: 500mA
• Output Voltage:
3.3V and 5V
• Output Voltage Accuracy:
TJ= 25℃ : ±1%
TJ= -40℃~ 125℃ : ±2%
• Ultra-Low Quiescent Current: 4.2µA
• Low Dropout Voltage ：
165mV at 150mA load current
• Support Output Capacitors Range:
3.3uF~220uF
Low-ESR: 0.001Ω~ 5 Ω
• 1.5ms Internal Soft-start Time
• Current Limit Protection with VIN_HIGH Control
• Precision Enable Threshold for Programmable Input Voltage Under-Voltage Lock Out Protection (UVLO) Threshold and Hysteresis
• Over-Temperature Protection
• Available Package: TO252-4
DESCRIPTION：
The SCT71405Fxx series products is a low-dropout linear regulator designed to operate with a wide input-voltage range from 3V to 40V and 500mA output current with enable control feature. The SCT71405Fxx series products is stable with 3.3uF~220uF output capacitors, and 10uF ceramic capacitor is recommended.
Only 4.2µA typical quiescent current at light load makes the SCT71405Fxx series products ideal choices for portable devices with battery power supply and an optimal solution for powering microcontrollers (MCUs) and CAN/LIN transceivers in always-on systems.
The SCT71405Fxx series products integrated short-circuit and overcurrent protection with VIN_HIGH Control feature, which makes the device more reliable during transient high-load current faults or shorting events.
The SCT71405Fxx series products provide fixed 3.3V and 5V output voltage versions.
The SCT71405Fxx series products is available in TO252-4 packages.
Only 4.2µA typical quiescent current at light load makes the SCT71405Fxx series products ideal choices for portable devices with battery power supply and an optimal solution for powering microcontrollers (MCUs) and CAN/LIN transceivers in always-on systems.
The SCT71405Fxx series products integrated short-circuit and overcurrent protection with VIN_HIGH Control feature, which makes the device more reliable during transient high-load current faults or shorting events.
The SCT71405Fxx series products provide fixed 3.3V and 5V output voltage versions.
The SCT71405Fxx series products is available in TO252-4 packages.
APPLICATIONS：
• Headlights
• Body Control Modules
• Inverter and Motor Controls
Package information
Technical data
| Title | Time | Download |
|---|---|---|
| SCT71405 Datasheet Rev 1.4 | 2026-09-23 |
 Download
|
Parameter comparison
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Medium to High Voltage LDO Linear Power Supply
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