LP2950ACZ50 ON Semiconductor, LP2950ACZ50 Datasheet
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LP2950ACZ50
Manufacturer Part Number
LP2950ACZ50
Description
TO-92
Manufacturer
ON Semiconductor
Datasheet
1.LP2950ACZ50.pdf
(18 pages)
Specifications of LP2950ACZ50
Date_code
09+
LP2950, LP2951, NCV2951
100 mA, Low Power Low
Dropout Voltage Regulator
specifically designed to maintain proper regulation with an extremely
low input-to-output voltage differential. These devices feature a very
low quiescent bias current of 75 mA and are capable of supplying
output currents in excess of 100 mA. Internal current and thermal
limiting protection is provided.
Output that can be used to signal external circuitry of an out of
regulation condition, or as a microprocessor power-on reset. The
second feature allows the output voltage to be preset to 5.0 V, 3.3 V or
3.0 V output (depending on the version) or programmed from 1.25 V
to 29 V. It consists of a pinned out resistor divider along with direct
access to the Error Amplifier feedback input. The third feature is a
Shutdown input that allows a logic level signal to turn-off or turn-on
the regulator output.
specifications, these devices are ideally suited for battery powered
computer, consumer, and industrial equipment where an extension of
useful battery life is desirable. The LP2950 is available in the three
pin case 29 and DPAK packages, and the LP2951 is available in the
eight pin dual- in- line, SO- 8 and Micro8 surface mount packages.
The ‘A’ suffix devices feature an initial output voltage tolerance
LP2950 and LP2951 Features:
LP2951 Additional Features:
March, 2003 - Rev. 10
0.5%.
The LP2950 and LP2951 are micropower voltage regulators that are
The LP2951 has three additional features. The first is the Error
Due to the low input-to-output voltage differential and bias current
380 mV at 100 mA
Low Quiescent Bias Current of 75 mA
Low Input-to-Output Voltage Differential of 50 mV at 100 mA and
5.0 V, 3.3 V or 3.0 V 0.5% Allows Use as a Regulator or Reference
Extremely Tight Line and Load Regulation
Requires Only a 1.0 mF Output Capacitor for Stability
Internal Current and Thermal Limiting
Error Output Signals an Out of Regulation Condition
Output Programmable from 1.25 V to 29 V
Logic Level Shutdown Input
Semiconductor Components Industries, LLC, 2003
(See Following Page for Device Information.)
1
See detailed ordering and shipping information in the package
dimensions section on pages 13 and 14 of this data sheet.
case outline drawing) is connected to Pin 2.
Heatsink surface (shown as terminal 4 in
Shutdown
CASE 369A
DT SUFFIX
Z SUFFIX
CASE 29
TO-92
Output
DPAK
CASE 846A
Sense
DM SUFFIX
ORDERING INFORMATION
CASE 751
CASE 626
D SUFFIX
N SUFFIX
GND
Micro8E
PDIP-8
SO-8
PIN CONNECTIONS
PIN CONNECTIONS
http://onsemi.com
(Top View)
1
1
2
3
4
2
1
(Top View)
2
3
3
Publication Order Number:
Pin: 1. Input
1
8
8
8
7
6
5
3
Pin: 1. Output
8
2. Ground
3. Output
Input
Feedback
V
Error Output
1
1
O
2. Ground
3. Input
1
Tap
LP2950/D