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PDF RP1207 Data sheet ( Hoja de datos )
| Número de pieza | RP1207 | |
| Descripción | Ultra-Fast CMOS LDO Regulator | |
| Fabricantes | RichPower | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RP1207 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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Preliminary
RP1207
2A, Ultra-Low Dropout, Ultra-Fast CMOS LDO Regulator
General Description
The RP1207 is a high-performance, 2A LDO regulator,
offering extremely high PSRR and ultra-low dropout. Ideal
for portable RF and wireless applications with demanding
performance and space requirements.
The RP1207 also works with low-ESR ceramic capacitors,
reducing the amount of board space necessary for power
applications, critical in hand-held wireless devices.
The RP1207 consumes less than 0.1uA in shutdown mode
and soft start function to prevent inrush current. The other
features include ultra-low dropout voltage, high output
accuracy, current limiting protection, and high ripple
rejection ratio. Available in the SOP-8 (Exposed Pad)
package.
Ordering Information
RP1207
Package Type
SP : SOP-8 (Exposed Pad)
Operating Temperature Range
G : Green (Halogen Free with Commer-
cial Standard)
Features
Low Quiescent Current (Typically 380uA)
Soft Start
< 0.1uA Standby Current When Shutdown
Low Dropout Voltage: 670mV at 2A
Wide Operating Voltage Ranges : 2.5V to 5.5V
Ultra Fast Load Transient
Tight Load and Line Regualtion
Current Limit Protection
Thermal Shutdown Protection
1uF MLCC Output Capacitor Stable
High Power Supply Rejection Ratio
RoHS Compliant and 100% Lead (Pb)-Free
Applications
CDMA/GSM Cellular Handsets
Battery-Powered Equipment
Laptop, Palmtops, Notebook Computers
Hand-Held Instruments
Mini PCI & PCI-Express Cards
PCMCIA & New Cards
Portable Information Appliances
Marking Information
For marking information, contact our sales representative
directly or through a Richpower distributor located in your
area.
Note :
Richpower Green 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.
Pin Configurations
(TOP VIEW)
POK 8 GND
EN 2
7 FB
GND
VIN 3
9 6 VOUT
NC 4
5 NC
SOP-8 (Exposed Pad)
RP1207-01P April 2009
1
1 page  
Preliminary
Parameter
Symbol
Test Conditions
Logic-Low Voltage
EN Threshold
Logic-High Voltage
POK Threshold
Output Rising Time
Thermal Shutdown Temperature
Thermal Shutdown Temperature
VIL VIN = 3.3V
VIH VIN = 3.3V
VTH_POK
VFB with respect to
reference voltage
TSS COUT = 10uF
TSD
ΔTSD
VIN = 3.3V, Enable
RP1207
Min Typ Max Units
-- -- 0.4
V
1.2 --
--
-- 90 --
150 240 350
-- 165 --
-- 50 --
%
us
°C
°C
Note 1. Stresses listed as the above “ Absolute Maximum Ratings” may cause permanent damage to the device. These are
for stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
Note 2. Devices are ESD sensitive. Handling precaution is recommended.
Note 3. The device is not guaranteed to function outside its operating conditions.
Note 4. The dropout voltage is defined as VIN -VOUT, which is measured when VOUT is VOUT(NORMAL) - 100mV.
Note 5. Regulation is measured at constant junction temperature by using a 2ms current pulse. Devices are tested for load
regulation in the load range from 10mA to 2A.
Note 6. Quiescent, or ground current, is the difference between input and output currents. It is defined by IQ = IIN - IOUT under no
load condition (IOUT = 0mA). The total current drawn from the supply is the sum of the load current plus the ground pin
current.
Note 7. Standby current is the input current drawn by a regulator when the output voltage is disabled by a shutdown signal (VEN
=0 , VEN≤VIL).
Note 8. Performance at -5°C ≤ TA ≤ 85°C is assured by design.
Note 9. θJA is measured in the natural convection at TA = 25°C on a low effective thermal conductivity test board of
JEDEC 51-7 thermal measurement standard.
RP1207-01P April 2009
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet RP1207.PDF ] | |
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