Product Summary

The LM2940IMPX-5.0 positive voltage regulator features the ability to source 1A of ouput current with a dropout voltage of typically 0.5V and a maximum of 1V over the entire temperature range. Furthermore, a quiescent current reduction circuit has been included which reduces the ground current when the differential between the input voltage and the output voltage exceeds approximately 3V. The quiescent current with 1A of output current and an input-output differential of 5V is therefore only 30 mA. Higher quiescent currents only exist when the regulator is in the dropout mode (Vin - Vout ≤ 3V).

Parametrics

LM2940IMPX-5.0 absolute maxing ratings: (1)Input Voltage (Survival Voltage ≤100ms): 60V; (2)Internal Power Dissipation: Internally Limited; (3)Maximum Junction Temperature: 150℃; (4)Storage Temperature Range: -65℃ to +150℃; (5)Lead Temperature(Soldering, 10 seconds): 300℃; (6)ESD Susceptibility: 4000V.

Features

LM2940IMPX-5.0 features: (1)Dropout voltage typically 0.5V @ Io = 1A; (2)Output current in excess of 1A; (3)Output voltage trimmed before assembly; (4)Reverse battery protection; (5)Internal short circuit current limit; (6)Mirror image insertion protection; (7)Controlling document.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LM2940IMPX-5.0
LM2940IMPX-5.0

National Semiconductor (TI)

Low Dropout (LDO) Regulators

Data Sheet

0-2000: $0.56
2000-6000: $0.54
6000-10000: $0.52
LM2940IMPX-5.0/NOPB
LM2940IMPX-5.0/NOPB

National Semiconductor (TI)

Low Dropout (LDO) Regulators

Data Sheet

0-1: $1.29
1-25: $1.04
25-100: $0.94
100-250: $0.83