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LDK220U32R

Description
Low Dropout Voltage Regulator 200 mA low quiescent current and low noise LDO
Categorysemiconductor    Power management IC    Voltage regulator and the voltage controller    Low dropout regulator   
File Size1MB,29 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
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LDK220U32R Overview

Low Dropout Voltage Regulator 200 mA low quiescent current and low noise LDO

LDK220U32R Parametric

Parameter NameAttribute value
MakerSTMicroelectronics
Product CategoryLow Dropout Voltage Regulator
Installation styleSMD/SMT
Package/boxSOT-89-3
The output voltage3.2 V
Output current200 mA
Number of outputs1 Output
polarityPositive
Quiescent Current60 uA
Maximum input voltage13.2 V
Minimum input voltage2.5 V
Output typeFixed
Minimum operating temperature- 40 C
Maximum operating temperature+ 125 C
load regulation0.001 %/mA
seriesLDK220
Fallback voltage200 mV
productLDO Regulators
Tolerance2 %
Fallback voltage—maximum value350 mV
PSRR/Ripple Rejection—Typical50 dB
Voltage regulation accuracy2 %
line regulation0.001 %/V
Pd-power dissipation500 mW
Factory packaging quantity2500
LDK220
200 mA low quiescent current and low noise LDO
Datasheet - production data
Applications
Battery-powered equipment
TV
Set-top box
PC and laptop
Industrial
Description
The LDK220 is a low drop voltage regulator,
which provides a maximum output current of
200 mA from an input voltage in the range of
2.5 V to 13.2 V, with a typical dropout voltage of
100 mV.
Features
Input voltage from 2.5 to 13.2 V
Very low-dropout voltage (100 mV typ. @
100 mA load)
Low quiescent current (typ. 55 µA, 1 µA in
off mode)
Low noise
Output voltage tolerance: ± 2.0% @ 25 °C
200 mA guaranteed output current
Wide range of output voltages available on
request: fixed from 1.2 V to 12 V with
100 mV step and adjustable
Logic-controlled electronic shutdown
Compatible with ceramic capacitor
C
OUT
= 1 µF
Internal current and thermal limit
Available in SOT23-5L, SOT323-5L, SOT-89
and DFN6-1.2x1.3 packages
Temperature range: -40 °C to 125 °C
A ceramic capacitor stabilizes it on the output.
The very low drop voltage, low quiescent current
and low noise make it suitable for battery-
powered applications.
The enable logic control function puts the
LDK220 in shutdown mode allowing a total
current consumption lower than 1 µA.
The device also includes a short-circuit constant
current limiting and thermal protection.
October 2016
DocID026015 Rev 4
1/28
www.st.com
This is information on a product in full production.
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