MP1400 – NEGATIVE DCDC POWER CONVERTER

MP1400 Rev.1.1

www.MonolithicPower.com

9

5/27/2015

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FUNCTIONAL BLOCK DIAGRAM

Slope

Comp

COMP

SW

FB

1.19V

UVLO

IN

GND

MAIN

SWITCH

PCH

CONTROL

LOGIC

PWM

INTERNAL SS

1.5MHz

OSCILLATOR

EN

REF

VOUT

Output

Discharge

Over Voltage

Protection

S

EA

Current Sense

Current Limit

COMP

RSEN

UVLO &

Bandgap

Figure 1: Functional Block Diagram