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PDF PT5128E23F-M Data sheet ( Hoja de datos )
| Número de pieza | PT5128E23F-M | |
| Descripción | 200mA Low Dropout Regulator | |
| Fabricantes | Powtech | |
| Logotipo |  |
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PT5128
Dual, High PSRR, 200mA Low Dropout Regulator
GENERAL DESCRIPTION
The PT5128 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 PT5128 is stable with a
small 1µF ceramic capacitor on the output. With its better than 75dB PSRR at 1kHz, the PT5128 is ideal for battery
powered systems to deliver low dropout voltage and low quiescent current.
This device can be used for mobile phone and similar battery powered wireless applications. It provides up to 200mA at each
channel, from a 2.5V to 5.5V input. The PT5128 consumes less than 0.1µA in shutdown mode. The PT5128 is available in 6 pin
SOT23 package. The output voltage is available at 1.5V, 1.8V, 2.5V, 2.8V, 3.0V and 3.3V.
FEATURES
APPLICATIONS
z -40°C to +85°C junction temperature for operation
z CDMA/GSM mobile phones
z 2.5V to 5.5V input range
z Cordless telephones
z 200mA guaranteed output current (Each LDO)
z WLAN and Bluetooth appliances
z 62dB PSRR @1KHz, VIN = VOUT + 1V
58dB PSRR @10KHz, VIN = VOUT + 1V
z Low quiescent current: 60uA (Typ.)
z PDAs/MP3
z Battery powered portable devices
z 180mV maximum dropout voltage with 100mA load
z < 1uA quiescent current at shutdown mode
z Fast turn on time: 72us (typical)
z Thermal shutdown and short-circuit current limit
z 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V typical output
standard
z Miniature SOT-23-6 package
TYPICAL APPLICATIONS*
VIN
CIN
1uF
VIN
VEN1
VEN2
GND
VOUT1
VOUT2
VOUT1
COUT1
1uF
VOUT2
COUT2
1uF
*Note
COUT1, COUT2: Recommended ceramic capacitor
KEY PERFORMANCE
Ripple Rejection vs Frequency
-35
-40
VIN(DC) = 3.8V
VIN(AC) = 200mV
-45
VOUT = 2.8V
COUT = 1uF
-50
-55
-60
-65
-70
-75
100
1K 10K
Frequency (Hz)
10K
ORDERING INFORMATION*
Package
Temperature
Range
Channel-1
Output
Voltage (V)
Channel-2
Output
Voltage (V)
Part Number
Standard Parts
SOT-23-6 -40℃ to 85℃
2.8
2.8
2.8 2.5
2.8 1.8
2.5 2.5
2.5 1.8
3.3 2.5
3.3 1.8
* All parts are supplied as 3000 units, tape and reel.
PT5128E23F-A
PT5128E23F-D
PT5128E23F-E
PT5128E23F-F
PT5128E23F-G
PT5128E23F-H
PT5128E23F-I
www.micro-bridge.com
Package
Temperature
Range
Non-Standard Parts
SOT-23-6 -40℃ to 85℃
Channel-1
Output
Voltage (V)
Channel-2
Output
Voltage (V)
Part Number
3.0 3.0 PT5128E23F-B
2.8 3.0 PT5128E23F-C
3.0 2.5 PT5128E23F-J
3.0 1.8 PT5128E23F-K
1.8 1.5 PT5128E23F-M
3.0 3.0 PT5128E23F-B
2.8 3.0 PT5128E23F-C
Page 1
1 page  
PT5128
Dual, High PSRR, 200mA Low Dropout Regulator
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified: VIN = VOUT(nom) + 1V, VEN1 = VEN2 = VIN, CIN = COUT1 = COUT2=1 uF Ceramic，
TA = +25°C.
Ground Current vs Input Voltage
Ground Current vs Load Current
280 220
260
240
220
200
CIN = COUT = 1uF
VEN1 = VIN
VEN2 = GND
VOUT2 = 2.8V
CIN = COUT = 1uF
200 VEN1 = VIN
VEN2 = GND
180 VOUT2 = 2.8V
160 VIN = 3.8V
180
160 140
140 120
120 100
100
80 80
60
40
20
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Input Voltage(V)
60
40
30
0
50 100 150
Load Current (mA)
200
Output Voltage Temperature Characteristics
1.806
1.804
1.802
CIN = COUT = 1uF
VEN = VIN
VOUT = 1.8V
1.800
1.798
1.796
1.794
1.792
1.790
1.788
1.786
-40
-20
0
20 40 60 80
Temperature (OC)
100 120
2.820
2.815
2.810
Output Voltage Temperature Characteristics
CIN = COUT = 1uF
VEN = VIN
VOUT = 2.8V
2.805
2.800
2.795
2.790
2.785
2.780
-40
-20
0
20 40 60 80
Temperature (OC)
100
120
300
250
200
150
100
50
0
1
Dropout Voltage vs Load Current
Ripple Rejection vs Frequency
-35
-40
VIN(DC) = 3.8V
VIN(AC) = 200mV
-45
VOUT = 2.8V
COUT = 1uF
-50
-55
-60
-65
-70
-75
50 100 150 200
100
Load Current (mA)
1K 10K
Frequency (Hz)
www.micro-bridge.com
10K
Page 5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet PT5128E23F-M.PDF ] | |
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