EV0020 (MP1591DN)
2A, 32V, 330KHz
Step-Down Converter
The Future of Analog IC Technology
EVALUATION BOARD
DESCRIPTION
The EV0020 is the evaluation board for the
MP1591; a high voltage step-down converter
ideal for automotive power adapter battery
chargers. Its wide 6.5V to 32V input voltage
range covers the automotive battery’s
requirements. It achieves 2A continuous output
for quick charge capability.
Current mode operation provides fast transient
response and eases loop stabilization. Fault
protection includes cycle-by-cycle current
limiting and thermal shutdown. In shutdown
mode, the converter draws only 20µA of supply
current.
The MP1591 requires a minimum number of
readily available external components to
complete a 2A step-down DC to DC converter
solution.
FEATURES
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Wide 6.5V to 32V Input Operating Range
34V Absolute Maximum Input
2A Output Current
Ceramic Input and Output Capacitors
Up to 95% Efficiency
20µA Shutdown Mode
Fixed 330KHz Frequency
Thermal Shutdown
Cycle-by-Cycle Over Current Protection
Output Adjustable From 1.23V to 21V
Under Voltage Lockout
Automotive Power Adapters
PDA and Cellular Phone Battery Chargers
Distributed Power Systems
Automotive Aftermarket Electronics
APPLICATIONS
ELECTRICAL SPECIFICATIONS
Parameter
Input Voltage
Output Voltage
Output Current
Symbol
V
IN
V
OUT
I
OUT
Value
6.5 to 32
5
2
Units
V
V
A
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
EV0020 EVALUATION BOARD
(L x W x H) 2.1” x 1.4” x 0.5” (5.3cm x 3.5cm x 1.1cm)
Board Number
EV0020
MPS IC Number
MP1591DN
1
EV0020 (MP1591DN) Rev. 1.5
www.MonolithicPower.com
12/21/2005
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
MPS [ MONOLITHIC POWER SYSTEMS ]
