NSC LMS5214IMGX-2.6, LMS5214IMGX-2.5, LMS5214IMG-3.3, LMS5214IMG-3.0, LMS5214IMG-2.6 Datasheet
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LMS5214
80mA, Low Dropout Voltage Regulator with Auto
Discharge Function in SC70
LMS5214 80mA, Low Dropout Voltage Regulator with Auto Discharge Function in SC70
August 2002
General Description
The LMS5214 is a µCap, low dropout voltage regulator with
very low quiescent current, 110µA typical, at 80mA load. It
also has very low dropout voltage, typically 2mV at light load
and 300mV at 80mA.
The LMS5214 is an enhanced version of the industry standard LMS5213 with auto discharge function which actively
discharges the output voltage to ground when the device is
placed in shutdown mode. It provides up to 80mA and consumes a typical of 10nA in disable mode, which helps to
extend the battery life.
The LMS5214 is optimized to work with low value, low cost
ceramic capacitors. The output typically requires only 470nF
of output capacitance for stability. The enable pin can be tied
for easy device layout.
to V
IN
Low ground current at full load and small package makes the
LMS5214 ideal for portable, battery powered equipment applications with small space requirements.
The LMS5214 is available in a space saving 5-pin SC70
package. Performance is specified for the −40˚C to +125˚C
temperature range and is available in 2.5V, 2.6V, 2.8V, 2.9V,
3.0V and 3.3V fixed voltages. For other output voltage options, please contact National Semiconductor.
Typical Application
Features
(Typical unless noted)
n Space saving SC70 package
n Low quiescent current: 70µA
n Low dropout voltage: 2mV
n Stability with low-ESR ceramic capacitors
n Auto discharge
n Fast turn-on
n Low temperature coefficient
n Current and thermal limiting
n Zero current in shutdown mode
n Pin-to-pin compatible with LMS5213
Applications
n Cellular Phones
n Battery-powered equipment
n Bar code scanner
n Laptops, notebooks, PDA’s
n High-efficiency linear power supplies
20043120
© 2002 National Semiconductor Corporation DS200431 www.national.com
Simplified Schematic
LMS5214
Pin Description
Pin Number Pin Name Pin Function
1V
2 NC Not internally connected
3 GND Ground
4V
5V
EN
OUT
20043101
Enable Input Logic,
Logic High = Enabled
Logic Low = Shutdown
Output Voltage
IN
Input Voltage
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Connection Diagram
LMS5214
SC70-5
Top View
20043121
Ordering Information
(For other output voltage options, please contact National Semiconductor).
Package Part Number Package Marking Transport Media NSC Drawing
5-Pin SC70
LMS5214IMG-2.5
LMS5214IMGX-2.5 3k Units Tape and Reel
LMS5214IMG-2.6
LMS5214IMGX-2.6 3k Units Tape and Reel
LMS5214IMG-2.8
LMS5214IMGX-2.8 3k Units Tape and Reel
LMS5214IMG-2.9
LMS5214IMGX-2.9 3k Units Tape and Reel
LMS5214IMG-3.0
LMS5214IMGX-3.0 3k Units Tape and Reel
LMS5214IMG-3.3
LMS5214IMGX-3.3 3k Units Tape and Reel
L0T
L0U
L0V
L0X
L0Y
L0Z
1k Units Tape and Reel
1k Units Tape and Reel
1k Units Tape and Reel
1k Units Tape and Reel
1k Units Tape and Reel
1k Units Tape and Reel
MAA05A
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