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Medium to High Voltage LDO
Medium to High Voltage LDO
SCT71405F50AQOWCR
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：
• AEC-Q100 Qualified with the Following Results:
- Device Temperature Grade 1: -40°C to 125°C
Ambient Operating Temperature Range
- Device HBM ESD Classification Level H3A
- Device CDM ESD Classification Level C3
• Wide Input Range: 3V-40V
• With up to 45V Transient Input Voltage
• Maximum Output Current: 500mA
• Output Voltage:
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
• Power-Good and Programmable Power-Good delay
• Over-Temperature Protection
• Available Package: TO252-4
DESCRIPTION：
The SCT71405F50AQ 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 and Power-Good feature. The SCT71405F50AQ 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 SCT71405F50AQ 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 SCT71405F50AQ series products implements power good circuit (PG) which indicates that output voltage is in regulation, and the Power-Good delay is Programmable. This signal could be used for power sequencing or as a microcontroller reset.
The SCT71405F50AQ 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 SCT71405F50AQ series products provide fixed 5V output voltage versions.
The SCT71405F50AQ series products is available in TO252-4 packages.
Only 4.2µA typical quiescent current at light load makes the SCT71405F50AQ 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 SCT71405F50AQ series products implements power good circuit (PG) which indicates that output voltage is in regulation, and the Power-Good delay is Programmable. This signal could be used for power sequencing or as a microcontroller reset.
The SCT71405F50AQ 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 SCT71405F50AQ series products provide fixed 5V output voltage versions.
The SCT71405F50AQ series products is available in TO252-4 packages.
APPLICATIONS：
• Headlights
• Body Control Modules
• Inverter and Motor Controls
Package information
Technical data
| Title | Time | Download |
|---|---|---|
| SCT71405Q Datasheet Rev 1.4 | 2026-09-23 |
 Download
|
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