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INT202 Datasheet

  • INT202

  • Low-side Drive and High-side Control for Simultaneous Conduc...

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INT202
Low-side Driver IC
Low-side Drive and High-side Control
for Simultaneous Conduction
Product Highlights
5 V CMOS Compatible Control Inputs
鈥?Combines logic inputs for low and high-side drives
鈥?Schmidt-triggered inputs for noise immunity
Built-in High-voltage Level Shifters
鈥?Integrated level shifters simplify high-side interface
鈥?Can withstand up to 800 V for direct interface to the
INT201 high-side driver
鈥?Pulsed high-voltage level shifters reduce power
consumption
VDD
HV
廬
INT201
LOAD
Gate Drive Output for an External MOSFET
鈥?Provides 300 mA sink/150 mA source current
鈥?Can drive MOSFET gate at up to 15 V
鈥?External MOSFET allows flexibility in design for various
motor sizes
Built-in Protection Features
鈥?UV lockout
HS IN
INT202
LS IN
PI-1765-020296
Figure 1. Typical Application
Description
The INT202 Low-side driver IC provides gate drive for an
external low-side MOSFET switch and high-side level shifting.
When used in conjunction with the INT201 high-side driver, the
INT202 provides a simple, cost-effective interface between
low-voltage control logic and high-voltage loads. The INT202
is designed to be used with rectified 110 V or 220 V supplies.
Both high side and low side switches can be controlled
independently from ground-referenced 5 V logic inputs on the
low side driver.
Pulsed level shifting saves power and provides enhanced noise
immunity. The circuit is powered from a nominal 15 V supply
to provide adequate gate drive for external N-channel MOSFETs.
Applications include switched reluctance motor drives. The
INT202 can also be used to implement multi-phase
configurations.
The INT202 is available in 8-pin plastic DIP and SOIC packages.
HS IN
1
8
7
6
5
VDD
N/C
HSD1
HSD2
LS IN
2
LS OUT
COM
3
4
PI鈥?39鈥?91191
Figure 2. Pin Configuration.
ORDERING INFORMATION
PART
NUMBER
INT202PFI1
INT202TFI1
INT202PFI2
INT202TFI2
PACKAGE
OUTLINE
PO8A
TO8A
PO8A
TO8A
ISOLATION
VOLTAGE
600 V
600 V
800 V
800 V
February 1996

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