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PDF PT5127 Data sheet ( Hoja de datos )
| Número de pieza | PT5127 | |
| Descripción | Dual Outputs 200mA High PSRR LDO | |
| Fabricantes | Powtech | |
| Logotipo |  |
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PT5127
Dual Outputs 200mA High PSRR LDO
GENERAL DESCRIPTION
The PT5127 is a dual channel low-dropout voltage regulator designed for portable and wireless applications that
require high PSRR, low quiescent current and excellent line and load transient response. The PT5127 is stable with a
small 1µF ceramic capacitor on the output. With its better than 75dB PSRR at 1kHz, the PT5127 is ideal for battery
powered systems for delivering low dropout voltage and low quiescent current.
This device can be used for mobile phones and similar battery powered wireless applications. It provides up to
200mA at each channel, from a 2.0V to 5.5V input. The PT5127 consumes less than 0.1µA in shutdown mode. The
PT5127 is available in 6 pin SOT23 package. The output voltage is available at 1.8V, 2.5V, 2.8V, 3.3V and 1.5V/3.0V.
FEATURES
2.0V to 5.5V input range
200mA guaranteed output current (each channel)
High PSRR: 75dB at 1KHz (each channel)
180mV maximum low dropout voltage with
100mA load (each channel)
Low quiescent current: 50uA (Typ.)
Current Limiting and Thermal Protection
-40°C to +85°C junction temperature for
operation
APPLICATIONS
CDMA/GSM mobile phone
Laptop computers
PDAs/MP3
WLAN and bluetooth appliances
Cordless telephones
Battery powered portable devices
TYPICAL APPLICATIONS
VIN
CIN
1uF
V IN
VEN1
VEN2
GND
VOUT1
VOUT2
VOUT1
COUT1
1uF
VOUT2
COUT2
1uF
BLOCK DIAGRAM
V IN
V EN1
C urrent
L im it
V oltage
R eference
Therm al
Shutdow n
V EN2
C urrent
L im it
V oltag e
R eference
V OUT1
V OUT2
*Note：
COUT1, COUT2: Recommended ceramic capacitor
GND
PIN ASSIGNMENT
VOUT1
6
GND
5
VOUT2
4
PT5127
1
VEN1
2
VIN
SOT23-6
3
VEN2
ABSOLUTE MAXIMUM RATINGS
PARAMETER
VIN Range
VOUT1, VOUT2 Range
VEN 1, VEN 2 Range
Maximum Power
Dissipation
Junction Temp.
Storage Temp.
Lead Temp.
ESD Rating, HBM
SOT23-5
SC70-5
VALUE
-0.3~6.0V
-0.3~(VIN+0.3)< 6.0V
-0.3~6.0V
UNIT
V
V
V
360 mW
150
-65~150
235
2
°C
°C
°C
KV
PIN DESCRIPTIONS
Symbol
VIN
GND
VEN1
VEN2
VOUT1
VOUT2
SOT23-6
2
5
1
3
6
4
Description
Input of LDO
Ground
LDO1 Enable Input Logic, Enable High
LDO2 Enable Input Logic, Enable High
Output of LDO1
Output of LDO2
OPERATING RANGE
PARAMETER
VIN Range
VEN 1, VEN 2 Range
Thermal
Resistance, θJA
Maximum Power
Dissipation
Operation Temp.
SOT23-5
SC70-5
SOT23-5
SC70-5
VALUE
-0.3~5.5V
-0.3~(VIN+0.3)<5.5V
220
250
-40~85
UNIT
V
V
°C/W
mW
°C
www.micro-bridge.com
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1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet PT5127.PDF ] | |
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