BD4xS5-C Fixed Output LDO Regulators

ROHM Semiconductor BD4xS5-C Fixed Output Low Dropout (LDO) Regulators are engineered for high-reliability applications in automotive and industrial systems. These regulators offer fixed output voltages ranging from 1.8V to 5.0V, with a wide input voltage range up to 45V, making the regulators suitable for use in environments with fluctuating or high-voltage power sources. Designed to meet AEC-Q100 automotive standards, the ROHM Semiconductor BD4xS5-C series is ideal for powering Electronic Control Units (ECUs), Advanced Driver Assistance Systems (ADAS), infotainment systems, and industrial control units. Key features include a low dropout voltage, low quiescent current, and built-in protection functions such as overcurrent protection (OCP), thermal shutdown (TSD), and output discharge. Housed in compact packages, these regulators support space-constrained designs while ensuring stable and efficient power delivery to microcontrollers, sensors, and communication modules.

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Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package / Case
Output Voltage
Output Current
Number of Outputs
Polarity
Quiescent Current
Input Voltage - Min
Input Voltage - Max
PSRR / Ripple Rejection - Typ
Output Type
Minimum Operating Temperature
Maximum Operating Temperature
Dropout Voltage
Qualification
Packaging
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 3.3V, Fixed Output LDO Regulators
Datasheet
432In Stock
Min.: 1
Mult.: 1
Reel: 500
SMD/SMT TO-263-3 3.3 V 500 mA 1 Output Positive 38 uA 3 V 42 V 60 dB Fixed - 40 C + 150 C 250 mV AEC-Q100 Reel, Cut Tape
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 5.0V, Fixed Output LDO Regulators Includes Enable Input
Datasheet
450In Stock
Min.: 1
Mult.: 1
Reel: 500
SMD/SMT TO-263-5 5 V 500 mA 1 Output Positive 38 uA 3 V 42 V 60 dB Fixed - 40 C + 150 C 250 mV AEC-Q100 Reel, Cut Tape
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 5.0V, Fixed Output LDO Regulators Includes Enable Input
Datasheet
3,990In Stock
Min.: 1
Mult.: 1
Reel: 2,000

SMD/SMT TO-252-5 5 V 500 mA 1 Output Positive 38 uA 5.5 V 42 V 60 dB Fixed - 40 C + 150 C 200 mV Reel, Cut Tape
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 3.3V, Fixed Output LDO Regulators Includes Enable Input
Datasheet
2,000In Stock
Min.: 1
Mult.: 1
Reel: 2,000

SMD/SMT TO-252-5 3.3 V 500 mA 1 Output Positive 38 uA 4 V 42 V 60 dB Fixed - 40 C + 150 C 250 mV Reel, Cut Tape
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 5.0V, Fixed Output LDO Regulators
Datasheet
305In Stock
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT TO-263-3 5 V 500 mA 1 Output Positive 38 uA 5.5 V 42 V 60 dB Fixed - 40 C + 150 C 200 mV Reel, Cut Tape
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 3.3V, Fixed Output LDO Regulators Includes Enable Input: BD433S5WEFJ-C is low quiescent regulators featuring 45V absolute maximum voltage, and output voltage accuracy of +/-2% (3.3V or 5V: Typ), 500mA output current and 38uA (Typ) cu
Datasheet
3,263In Stock
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT HTSOP-J8 3.3 V 500 mA 1 Output Positive 38 uA 4 V 42 V 60 dB Fixed - 40 C + 150 C 250 mV Reel, Cut Tape
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 5.0V, Fixed Output LDO Regulators Includes Enable Input: BD450S5WEFJ-C is low quiescent regulators featuring 45V absolute maximum voltage, and output voltage accuracy of +/-2% (3.3V or 5V: Typ), 500mA output current and 38uA (Typ) cu
Datasheet
4,296In Stock
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT HTSOP-J8 5 V 500 mA 1 Output Positive 38 uA 5.5 V 42 V 60 dB Fixed - 40 C + 150 C 200 mV Reel, Cut Tape
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 3.3V, Fixed Output LDO Regulators: BD433S5EFJ-C is low quiescent regulators featuring 45V absolute maximum voltage, and output voltage accuracy of +/-2% (3.3V or 5V: Typ), 500mA output current and 38uA (Typ) current consumption. This
Datasheet
1,584In Stock
2,500Expected 2026-04-08
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT HTSOP-J8 3.3 V 500 mA 1 Output Positive 38 uA 4 V 42 V 60 dB Fixed - 40 C + 150 C 250 mV Reel, Cut Tape
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 5.0V, Fixed Output LDO Regulators: BD450S5EFJ-C is low quiescent regulators featuring 45V absolute maximum voltage, and output voltage accuracy of +/-2% (3.3V or 5V: Typ), 500mA output current and 38uA (Typ) current consumption. This
Datasheet
1,914In Stock
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT HTSOP-J8 5 V 500 mA 1 Output Positive 38 uA 5.5 V 42 V 60 dB Fixed - 40 C + 150 C 200 mV Reel, Cut Tape
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 3.3V, Fixed Output LDO Regulators Includes Enable Input
Datasheet
90In Stock
500Expected 2026-06-01
Min.: 1
Mult.: 1
Reel: 500
SMD/SMT TO-263-5 3.3 V 500 mA 1 Output Positive 38 uA 3 V 42 V 60 dB Fixed - 40 C + 150 C 250 mV AEC-Q100 Reel, Cut Tape
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 3.3V, Fixed Output LDO Regulators
Datasheet
2In Stock
4,000On Order
Min.: 1
Mult.: 1
Reel: 2,000

SMD/SMT TO-252-3 3.3 V 500 mA 1 Output Positive 38 uA 4 V 42 V 60 dB Fixed - 40 C + 150 C 250 mV Reel, Cut Tape
ROHM Semiconductor LDO Voltage Regulators Automotive 500mA 5.0V, Fixed Output LDO Regulators
Datasheet
3,996Expected 2026-03-06
Min.: 1
Mult.: 1
Reel: 2,000

SMD/SMT TO-252-3 5 V 500 mA 1 Output Positive 38 uA 5.5 V 42 V 60 dB Fixed - 40 C + 150 C 200 mV Reel, Cut Tape