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JW5022 Datasheet PDF - JoulWatt

Part Number JW5022
Description 2A 20V Synchronous Step-Down Converter
Manufacturers JoulWatt 
Logo JoulWatt Logo 



Preview ( 12 pages )
		
JW5022 datasheet, circuit
Parameters Subject to Change Without Notice
FEATURES
4.6V to 20V operating input range
2A output current
Up to 94% efficiency
High efficiency (>85%) at light load
Adjustable Soft-Start
Fixed 340kHz Switching frequency
Input under voltage lockout
Available in SOP8 package
Start-up current run-away protection
Short circuit protection
Thermal protection
APPLICATIONS
Distributed Power Systems
Networking Systems
FPGA, DSP, ASIC Power Supplies
Green Electronics/ Appliances
Notebook Computers
TYPICAL APPLICATION
JW5022
2A, 20V Synchronous
Step-Down Converter
DESCRIPTION
The JW5022 is a current mode monolithic buck
switching regulator. Operating with an input range
of 4.6V~20V, the JW5022 delivers 2A of
continuous output current with two integrated
N-Channel MOSFETs. The internal synchronous
power switches provide high efficiency without
the use of an external Schottky diode. At light
loads, regulators operate in low frequency to
maintain high efficiency and low output ripple.
Current mode control provides tight load transient
response and cycle-by-cycle current limit.
The JW5022 guarantees robustness with
short-circuit protection, thermal protection,
start-up current run-away protection, and input
under voltage lockout.
The JW5022 is available in an 8-pin SOP
package, which provides a compact solution with
minimal external components.
Company’s Logo is Protected, “JW ” and “JOULWATT” are Registered
Trademarks of JoulWatt technology Inc.
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JoulWatt Proprietary Information. Patent Protected.
Unauthorized Photocopy and Duplication Prohibited.
JW5022 Rev.0.91
1

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JW5022 equivalent
JW5022
2A, 20V Synchronous Step-Down Converter
TYPICAL PERFORMANCE CHARACTERISTICS
Vin = 12V, Vo = 3.3V, L = 10µH, Cout = 47µF, TA = +25°C, unless otherwise noted
Steady State Test
VIN=12V, Vout=3.3V
Iout=2A,Iin=0.65A
Startup through Enable
VIN=12V, Vout=3.3V
Iout=1A(Resistance load)
Shutdown through Enable
VIN=12V, Vout=3.3V
Iout=1A(Resistance load)
Heavy Load Operation
2A LOAD
Medium Load Operation
1A LOAD
Light Load Operation
0.3A LOAD
Short Circuit
Protection
Short Circuit
Recovery
Load Transient
JoulWatt Proprietary Information. Patent Protected.
Unauthorized Photocopy and Duplication Prohibited.
JW5022 Rev.0.91
5

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Information Total 12 Pages
Download[ JW5022.PDF Datasheet ]

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