ADP3625 Datasheet: (ADP3623 - ADP3635) 4A MOSFET Driver





ADP3625 (ADP3623 - ADP3635) 4A MOSFET Driver Datasheet

Part Number ADP3625
Description (ADP3623 - ADP3635) 4A MOSFET Driver
Manufacture Analog Devices
Total Page 16 Pages
PDF Download Download ADP3625 Datasheet PDF

Features: www.DataSheet4U.com High Speed, Dual, 4 A MOSFET Driver with Thermal Protectio n ADP3623/ADP3624/ADP3625/ADP3633/ADP36 34/ADP3635 GENERAL DESCRIPTION The ADP3 62x/ADP363x is a family of high current and dual high speed drivers, capable o f driving two independent N-channel pow er MOSFETs. The family uses the industr y-standard footprint but adds high spee d switching performance and improved sy stem reliability. The family has an int ernal temperature sensor and provides t wo levels of overtemperature protection , an overtemperature warning, and an ov ertemperature shutdown at extreme junct ion temperatures. The SD function, gene rated from a precise internal comparato r, provides fast system enable or shutd own. This feature allows redundant over voltage protection, complementing the p rotection inside the main controller de vice, or provides safe system shutdown in the event of an overtemperature warn ing. The wide input voltage range allow s the driver to be compatible with both analog and digital PWM .

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www.DataSheet4U.com
High Speed, Dual, 4 A MOSFET Driver
with Thermal Protection
ADP3623/ADP3624/ADP3625/ADP3633/ADP3634/ADP3635
FEATURES
GENERAL DESCRIPTION
Industry-standard-compatible pinout
High current drive capability
Precise threshold shutdown comparator
UVLO with hysteresis
Overtemperature warning signal
Overtemperature shutdown
3.3 V-compatible inputs
10 ns typical rise time and fall time @ 2.2 nF load
Matched propagation delays between channels
Fast propagation delay
9.5 V to 18 V supply voltage (ADP3633/ADP3634/ADP3635)
4.5 V to 18 V supply voltage (ADP3623/ADP3624/ADP3625)
Parallelable dual outputs
Rated from −40°C to +85°C ambient temperature
Thermally enhanced packages, 8-lead SOIC_N_EP and
8-lead MINI_SO_EP
APPLICATIONS
AC-to-dc switch mode power supplies
DC-to-dc power supplies
Synchronous rectification
Motor drives
The ADP362x/ADP363x is a family of high current and dual high
speed drivers, capable of driving two independent N-channel
power MOSFETs. The family uses the industry-standard foot-
print but adds high speed switching performance and improved
system reliability.
The family has an internal temperature sensor and provides
two levels of overtemperature protection, an overtemperature
warning, and an overtemperature shutdown at extreme junction
temperatures.
The SD function, generated from a precise internal comparator,
provides fast system enable or shutdown. This feature allows
redundant overvoltage protection, complementing the protec-
tion inside the main controller device, or provides safe system
shutdown in the event of an overtemperature warning.
The wide input voltage range allows the driver to be compatible
with both analog and digital PWM controllers.
Digital power controllers are supplied from a low voltage
supply, and the driver is supplied from a higher voltage supply.
The ADP362x/ADP363x family adds UVLO and hysteresis
functions, allowing safe startup and shutdown of the higher
voltage supply when used with low voltage digital controllers.
The device family is available in thermally enhanced SOIC_N_EP
and MINI_SO_EP packaging to maximize high frequency and
current switching in a small printed circuit board (PCB) area.
FUNCTIONAL BLOCK DIAGRAM
VDD
SD 1
INA, 2
INA
VEN
NONINVERTING
ADP3623/ADP3624/ADP3625
ADP3633/ADP3634/ADP3635
8 OTW
OVERTEMPERATURE
PROTECTION
VDD
7 OUTA
PGND 3
INB, 4
INB
INVERTING
NONINVERTING
INVERTING
UVLO
6 VDD
5 OUTB
Figure 1.
Rev. A
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rights of third parties that may result from its use. Specifications subject to change without notice. No
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Tel: 781.329.4700
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Fax: 781.461.3113
©2009 Analog Devices, Inc. All rights reserved.

                    
                    






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