MC34712EP View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MC34712EP

3.0 A 1.0 MHz Fully Integrated DDR Switch-Mode Power Supply

Freescale Semiconductor 

INTERNAL BLOCK DIAGRAM

INTERNAL BLOCK DIAGRAM

STBY SD

PG

FREQ

VDDI

VREFIN

M1

Isense

Thermal

Monitoring

System

Reset

Ilimit

Current

Monitoring

System

Control

Discharge

Internal

Voltage

Regulator

M2

VDDI

VIN VBOOT

VIN

BOOT

Prog.

Frequency

VDDI

Bandgap

Regulator

Oscillator

Ramp

VBG

Generator

Buck

Control FSW

Logic

M3

Gate

Driver Isense

M4

PVIN

SW

PGND

PWM

Comparitor

COMP

COMP

RREF1

RREF2

Buffer

Error

Amplifier

M5

Discharge

INV

VOUT

M6

Discharge

GND

VREFOUT

Figure 2. 34712 Simplified Internal Block Diagram

34712

2

Analog Integrated Circuit Device Data

Freescale Semiconductor

Share Link: