Használati útmutató Microchip 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
FB
VCONTROL
FREQ_ADJ
EXT_REF
CT
VLL
GND
EN
CP_EN
CCP1-
CCP1+
CCP2-
CCP2+
1
16
High-Voltage Output Hysteretic-Mode Step-Up DC/DC Controller
Termékspecifikációk
| Márka: | Microchip |
| Kategória: | nincs kategorizálva |
| Modell: | HV9150 |
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