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RP6001 fiches techniques PDF

RICHPOWER - Step-Down Converter

Numéro de référence RP6001
Description Step-Down Converter
Fabricant RICHPOWER 
Logo RICHPOWER 





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RP6001 fiche technique
Preliminary
RP6001
3A, 24V, 400kHz Step-Down Converter
General Description
The RP6001 is a high voltage buck converter that can
support the input voltage range from 4.75V to 24V and
the output current can be up to 3A. Current Mode operation
provides fast transient response and eases loop
stabilization.
The chip provides protection functions such as cycle-by-
cycle current limiting and thermal shutdown protection.
In shutdown mode, the regulator draws 25µA of supply
current. The RP6001 is available in a SOP-8 (Exposed
Pad) surface mount package.
Ordering Information
RP6001
Package Type
SP : SOP-8 (Exposed Pad-Option 1)
Operating Temperature Range
G : Green (Halogen Free with Commer-
cial Standard)
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.
Features
Wide Operating Input Range : 4.75V to 24V
Adjustable Output Voltage Range : 0.92V to 15V
Output Current up to 3A
25µA Low Shutdown Current
Power MOSFET : 0.1
High Efficiency up to 95%
400kHz Fixed Switching Frequency
Stable with Low ESR Output Ceramic Capacitors
Thermal Shutdown Protection
Cycle-By-Cycle Over Current Protection
RoHS Compliant and Halogen Free
Applications
Distributive Power Systems
Battery Charger
DSL Modems
Pre-regulator for Linear Regulators
Pin Configurations
(TOP VIEW)
BOOT
VIN
SW
GND
8
27
GND
3 96
45
SS
EN
COMP
FB
Typical Application Circuit
SOP-8 (Exposed Pad)
VIN
4.75V to 24V
Chip Enable
CIN
10µFx2
2 VIN
7 EN
BOOT 1
RP6001
SW 3
8 SS
CSS
0.1µF
4,
Exposed Pad (9) GND
FB 5
COMP 6
CBOOT L1
10nF 10µH
D1
B330A
CC
2.7nF
RC
22k
R1
25.8k
R2
10k
VOUT
3.3V/3A
COUT
22µFx2
CP
NC
RP6001-01P July 2009
1

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