Microchip HV9150 Manual

Microchip Ikke kategoriseret HV9150

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2017-2019 Microchip Technology Inc. DS20005689B-page 1

HV9150

Features

• 6V to 500V Wide Output Voltage Range

• 2.7V Low Input Voltage

• 5W Maximum Output Power with External

MOSFET Driver

• Built-in Charge Pump Converter for the Gate

Driver

• Programmable Switching Frequency from 40 kHz

to 400 kHz

• Four Programmable Duty Cycles from 50% to

87.5%

• FB Return Ground Switch for Power-Saving

Applications

• Built-In Delay Timer for Internal Protection

• Non-Isolated DC/DC Converter

Applications

• Portable Electronic Equipment

• MEMS

• Printers

General Description

The HV9150 is a high output voltage Hysteretic mode

step-up DC/DC controller that has a built-in charge

pump converter and a linear regulator for a wide range

of input voltage. The Charge Pump Converter mode is

ideal for battery-powered applications. The internal

converter can provide a minimum of 5V gate driver

output voltage (at VIN = 2.7V) to the external N-channel

MOSFET. The range of 2.7V to 4.5V input supply

voltage is ideal for battery-powered applications, such

as portable electronic equipment. The internal linear

regulator is selected when a higher supply voltage rail

is available in the system.

A feedback return ground path switch is also integrated

into the device to minimize the quiescent current during

the controller shutdown. This feature provides power

savings for energy-critical applications.

In addition, a built-in timer is available to protect the

internal circuit and help dissipate the energy from the

external high-voltage storage capacitor. This device is

designed for systems requiring high-voltage and

low-current applications such as MEMS devices.

Package Type

Pads are at the bottom of the package. Center heat slug is at ground potential. See Table 3-1 for pin information.

16-lead QFN

(Top View)

VDD

GATE

FB_RTN

VCONTROL

FREQ_ADJ

EXT_REF

VLL

GND

CP_EN

CCP1-

CCP1+

CCP2-

CCP2+

High-Voltage Output Hysteretic-Mode Step-Up DC/DC Controller

HV9150

DS20005689B-page 2 2017-2019 Microchip Technology Inc.

Functional Block Diagram

Delay

OSC

3x Charge Pump

Converter LDO

VREF

- +

Hysteretic Mode

Controller

VDD

VLL

CCP1+/- CCP2+/-VDD VLL

GNDCT

FREQ_ADJ

VCONTROL

(Duty Cycle Adj)

CP_EN

GATE

EXT_REF

FP_RTN

LDO

Mode

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	HV9150

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