Part Number
|
MP1482 |
Manufacturer
|
Kexin |
Description
|
18V Synchronous Rectified Step-Down Converter |
Published
|
Sep 1, 2017 |
Detailed Description
|
SMD Type
Integrate Circuit
2A, 18V Synchronous Rectified Step-Down Converter MP1482
■ Features
• 2A Output Current • ...
|
Datasheet
|
MP1482
|
Overview
SMD Type
Integrate Circuit
2A, 18V Synchronous Rectified Step-Down Converter MP1482
■ Features
• 2A Output Current • Wide 4.
75V to 18V Operating Input Range • Integrated 130mΩ Power MOSFET Switches • Output Adjustable from 0.
923V to 15V • Up to 93% Efficiency • Programmable Soft-Start • Stable with Low ESR Ceramic Output Capacitors • Fixed 340KHz Frequency • Cycle-by-Cycle Over Current Protection • Input Under Voltage Lockout
SOP-8
■ Functional Block Diagram
FB 5
+ 1.
1V --
+ 0.
3V --
OVP RAMP
OSCILLATOR CLK
100/340KHz
SS 8
0.
923V
-+ +
ERROR AMPLIFIER
CURRENT SENSE
AMPLIFIER
+
--
-- S Q
RQ + CURRENT
COMPARATOR
2 IN 5V
1 BS
3 SW
BS IN SW GND
1 2 3 4
COMP 6 EN 7
2.
5V + --
E...
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