MP6005

– WIDE-INPUT, HIGH-EFFICIENCY FLYBACK AND FORWARD CONTROLLER

MP6005 Rev. 1.0

www.MonolithicPower.com

14

2/5/2021

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FUNCTIONAL BLOCK DIAGRAM

VIN UVLO

Regulator

Oscillator and

Slope

Compensation

EN

VIN

VCC

PWM

Logic

Driver

+

-

+

-

PWM

Comparator

GATE

GND

SENSE

COMP

+

-

2V

Enable (EN)

Control

OCP

Cycle by Cycle

+

-

OCP

0.16V

VCC UVLO

+

-

SCP

0.3V

OLP, SCP, OVP Lead to

Hiccup Protection

FB

Protection

Hiccup Mode

50µs

Timer

+

-

2.5V

OVP

+

-

36mV

PSR Low

Threshold

PFM

4.8ms

OLP

FB Sample

and Hold

+

SS

OLP

+

-

PSR Mode VOUT

Compensation

Current

Dither and

Compensation

Driver

SYNC

MODE

MODE

Dead Time

MODE

MODE

5V

10k

SS in SSR

Dither

GND

VCC

Current-Sense

(CS) Amplifier

Figure 1: Functional Block Diagram