Specification	MAX38903BATB+T

Control Features	Enable
Current - Output	1 A
Current - Quiescent (Iq)	2 mA
Mounting Type	Surface Mount
Number of Regulators	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Output Configuration	Positive
Output Type	Programmable
Package / Case	10-WFDFN Exposed Pad
Protection Features	Over Temperature, Over Current, Reverse Polarity
PSRR [Max]	70 dB
PSRR [Min]	40 dB
Supplier Device Package	10-TDFN (3x3)
Voltage - Input (Max) [Max]	5.5 V
Voltage - Output (Max) [Max]	5 V
Voltage - Output (Min/Fixed)	0.6 V
Voltage Dropout (Max) [Max]	0.3 V

MAX38903B Series

1.7V–5.5VIN, 1A Low Noise LDO Linear Regulators in TDFN and WLP

Part	Current - Quiescent (Iq)	Operating Temperature [Min]	Operating Temperature [Max]	Mounting Type	Number of Regulators	Voltage - Input (Max) [Max]	Package / Case	PSRR [Max]	PSRR [Min]	Voltage - Output (Max) [Max]	Protection Features	Output Type	Voltage - Output (Min/Fixed)	Control Features	Output Configuration	Voltage Dropout (Max) [Max]	Supplier Device Package	Current - Output
Analog Devices Inc./Maxim Integrated MAX38903BATB+T	2 mA	-40 C	125 °C	Surface Mount	1	5.5 V	10-WFDFN Exposed Pad	70 dB	40 dB	5 V	Over Current Over Temperature Reverse Polarity	Programmable	0.6 V	Enable	Positive	0.3 V	10-TDFN (3x3)	1 A

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	2284	$ 3.78

Description

General part information

MAX38903B Series

The MAX38903A/B/C/D are a family of low-noise linear regulators that deliver up to 1A of output current with only 7µVRMSof output noise from 10Hz to 100kHz.These regulators maintain ±1% output accuracy over a wide input voltage range, requiring only 100mV of input-to-output headroom at full load. The 1200µA no-load supply current is independent of dropout voltage. The MAX38903A/B/C/D has an 800Ω active discharge feature to quickly discharge output capacitors.The MAX38903A has nine pin-selectable output voltages 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.1V, 3.3V, 4.0V, and 5V. The MAX38903B/C output voltage can be adjusted to a value in the range of 0.6V to 5.0V using two external resistors.The MAX38903B also includes an active-high POK signal for trouble-free load startup.The MAX38903D has factory-preset output voltages over the range of 0.7V to 5V in 50mV steps. All versions include a programmable output soft-start rate, output over-current and thermal overload protection.The MAX38903A/B are offered in a 10-pin, 3mm x 3mm TDFN package, while the MAX38903C/D are offered in a 9-bump, 0.4mm pitch, 1.4mm x 1.4mm wafer-level package (WLP).ApplicationsCommunication Systems, Test Equipment, Medical EquipmentHigh-End Audio SystemsHigh-Resolution Data Acquisition Systems

Documents

Technical documentation and resources

MAX38903BATB+T | Datasheet

Datasheet

Package Drawing - 10-LFCSP-3X3X0.75

Package Drawing