_

+

_

+

INP

RAMP

GENERATOR

GATE

DRIVE

PVDD

GATE

DRIVE

PVDD

THERMAL

DETECT

VCP-UVLO

DETECT

DOUBLER

CHARGE PUMP

CONTROL and

STARTUP

LOGIC

5-V

REGULATOR

and BIASES

VCC

PVDD

INN

COMP

COSC

AGND

PVDD

SHUTDOWN

MUTE

VCCREG

V2P5

PVDD

PGND

VCP

PVDD

VCP

PVDD

VDD

VDD

10 k

Ω

10 k

Ω

1.5 V

NOTE A: VDD and PVDD are externally connected. AGND and PGND are externally connected.