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PDF RP1202 Data sheet ( Hoja de datos )
| Número de pieza | RP1202 | |
| Descripción | Ultra-Fast CMOS LDO Regulator | |
| Fabricantes | RichPower | |
| Logotipo |  |
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RP1202
300mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator
General Description
Features
The RP1202 is designed for portable RF and wireless
applications with demanding performance and space
requirements. The RP1202 performance is optimized for
battery-powered systems to deliver ultra low noise and
low quiescent current. A noise bypass pin is available for
further reduction of output noise. Regulator ground current
increases only slightly in dropout, further prolonging the
battery life. The RP1202 also works with low-ESR ceramic
capacitors, reducing the amount of board space necessary
for power applications, critical in hand-held wireless
devices. The RP1202 consumes less than 0.01µA in
shutdown mode and has fast turn-on time less than 50µs.
The other features include ultra low dropout voltage, high
output accuracy, current limiting protection, and high ripple
rejection ratio. Available in the 5-lead of SOT-23 packages.
z Ultra-Low-Noise for RF Application
z Ultra-Fast Response in Line/Load Transient
z Quick Start-Up (Typically 50µs)
z < 0.01µA Standby Current When Shutdown
z Low Dropout : 220mV @ 300mA
z Wide Operating Voltage Ranges : 2.5V to 5.5V
z TTL-Logic-Controlled Shutdown Input
z Low Temperature Coefficient
z Current Limiting Protection
z Thermal Shutdown Protection
z Only 1µF Output Capacitor Required for Stability
z High Power Supply Rejection Ratio
z Custom Voltage Available
z RoHS Compliant and 100% Lead (Pb)-Free
Applications
Ordering Information
RP1202-
Package Type
B : SOT-23-5
Operating Temperature Range
C : Commercial Standard
P : Pb Free with Commercial Standard
Output Voltage
15 : 1.5V
16 : 1.6V
:
34 : 3.4V
35 : 3.5V
1H : 1.85V
2H : 2.85V
Note :
z RichPower Pb-free products are :
−RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
−Suitable for use in SnPb or Pb-free soldering processes.
−100%matte tin (Sn) plating.
z CDMA/GSM Cellular Handsets
z Battery-Powered Equipment
z Laptop, Palmtops, Notebook Computers
z Hand-Held Instruments
z PCMCIA Cards
z Portable Information Appliances
Marking Information
For marking information, contact our sales representative
directly or through a RichPower distributor located in your
area.
Pin Configurations
(TOP VIEW)
VIN 1 5
VOUT
GND
2
EN 3 4
BP
SOT-23-5
DSRP1202-00T02 May 2005
1
http://www.Datasheet4U.com
1 page  
Typical Operating Characteristics
Output Voltage vs. Temperature
1.8
RP1202-15CB
VIN = 3.3V
1.7 CIN = COUT = 1uF X7R
1.6
1.5
1.4
1.3
1.2
-50
-25
0 25 50 75
Temperature (°C)
100 125
Dropout Voltage vs. Temperature
300 RP1202-33CB
CIN = COUT = 1uF
250
200
150
100
50
0
0 0.05 0.1 0.15 0.2 0.25 0.3
Load Current (A)
EN Pin Shoutdown Threshold vs. Temperature
1.75 RP1202-15CB
VIN = 3.3V
1.5 CIN = COUT = 1uF X7R
1.25
1
0.75
0.5
-50
-25
0 25 50 75
Temperature (°C)
100 125
DSRP1202-00T02 May 2005
RP1202
Quiescent Current vs. Temperature
95
RP1202-15CB
90
VIN = 3.3V
CIN = COUT = 1uF X7R
85
80
75
70
65
60
-50
-25
0 25 50 75
Temperature (°C)
100 125
PSRR
20 VIN = 4V to 5V
CIN = COUT = 1uF, X7R
0
-20
-40
-60
-80
01.001
ILoad = 100mA
ILoad = 10mA
100.10 11K 1100K 110000K
Frequency (kHHzz))
110M00
EN Pin Shutdown Response
VIN = 5V
10 CIN = COUT = 1uF
RP1202-28CB
No Load
5
0
2
1
0
Time (500µs/Div)
5
http://www.Datasheet4U.com
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet RP1202.PDF ] | |
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