Data Sheet

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Analog Integrated Circuit Device Data

Freescale Semiconductor 3

33926

INTERNAL BLOCK DIAGRAM

INTERNAL BLOCK DIAGRAM

Figure 2. 33926 Simplified Internal Block Diagram

VDD

LOGIC SUPPLY

CHARGE

PUMP

GATE DRIVE

AND

PROTECTION

LOGIC

CURRENT MIRROR

AND

CONSTANT OFF-TIME

PWM CURRENT REGULATOR

VCP

CCP

OUT1

OUT2

PGND

TO GATES

HS1

LS1

HS2

LS2

VPWR

VSENSE

ILIM PWM

HS1 HS2

LS1 LS2LS2

EN

IN1

IN2

D2

D1

INV

SLEW

SF

FB

AGND

PGND