SA21340PDAD

36V, 300mA LDO Regulator

SA21340PDAD 36V, 300mA LDO Regulator Datasheet

Parameters
Features
Description

Part number	SA21340PDAD
Vin (max) (V)	36
Vin (min) (V)	4
Iout (max) (A)	0.3
Output type	Fixed
Vout (max) (V)	3.3
Vout (min) (V)	3.3
Iq (typ) (uA)	15
PSRR at 100kHz (dB)	35
Accuracy (±%)	2
Features	Enable,Fixed soft-start,Auto-discharge,Low Iq,Over current protection,Output short to ground protection (hiccup mode),Thermal shutdown,Wettable flanks package
Operating temperature range(°C)	-40 to 150
Package	DFN3×3-8
Functional safety category

Wide Input Voltage Range: 4V to 36V
Fixed 3.3V Output Voltage
Output Voltage Accuracy: ±2% over Temperature
Low Dropout Voltage of 300mV at Full Load 300mA
300mA Maximum Load Current
Ultra-low Quiescent Current
Extremely Low Shutdown Current
Stable with Tantalum or Ceramic Capacitors
Excellent Load and Line Regulation
Enable Control Input
Over Current Limit Protection
Output Short-Circuit Protection (Hiccup Mode)
Over Temperature Protection with Auto Recovery
RoHS Compliant and Halogen Free
Moisture Sensitivity Level (MSL): 1
Compact DFN3×3-8 Package
Automotive AEC- Q100 Grade 1 Qualified

The SA21340PDAD is an automotive grade, 300 mA high-current capacity linear regulator with ultra-low ground current and low dropout voltage. The device provides a fixed output voltage of 3.3V, also offers protective features, including over current limiting, output short-circuit protection, and over-temperature protection.

The SA21340PDAD is available in a compact DFN3×3- 8 package.

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Related Applications

Technical & Design Documentation

Title	Date
DS_SA21340PDAD Datasheet	2025-08-08
EVB_SA21340PDAD EVB User Guide	2025-08-08
Automotive_Solutions_Q2_2026	2026-06-12