INT100S Power Integrations, INT100S Datasheet
INT100S
Manufacturer Part Number
INT100S
Description
SOP-16
Manufacturer
Power Integrations
Specifications of INT100S
Date_code
02+
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INT100
Half-Bridge Driver IC
Low-Side and High-side Drive
with Simultaneous Conduction Lockout
5 V CMOS Compatible Control Inputs
• Combines logic inputs for low and high-side drives
• Schmidt-triggered inputs for noise immunity
Built-in High-voltage Level Shifters
• Can withstand up to 800 V for direct interface to the HV-
• Pulsed internal high-voltage level shifters reduce power
Gate Drive Outputs for External MOSFETs
• Provides 300 mA sink/150 mA source current
• Can drive MOSFET gates at up to 15 V
• External MOSFET allows flexibility in design for various
Built-in Protection Features
• Simultaneous conduction lockout protection
• Undervoltage lockout
Description
The INT100 half-bridge driver IC provides gate drive for
external low-side and high-side MOSFET switches. The INT100
provides a simple, cost-effective interface between low-voltage
control logic and high-voltage loads. The INT100 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.
Built-in protection logic prevents both switches from turning
on at the same time and shorting the high voltage supply. Pulsed
internal 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.
A floating high-side supply is derived from the low-voltage rail
by using a simple bootstrap technique.
Applications for the INT100 include motor drives, electronic
ballasts, and uninterruptible power supplies. Multiple devices
can also be used to implement full-bridge and multi-phase
configurations.
The INT100 is available in a 16-pin plastic SOIC package.
referenced high-side switch
consumption
motor sizes
Product Highlights
Figure 1. Typical Application
Figure 2. Pin Configuration.
HS IN
LS IN
COM
V DD
NUMBER
HV
INT100S
PART
ORDERING INFORMATION
LS RTN
LS OUT
HS IN
LS IN
COM
COM
HS OUT
V DD
HS RTN
LS OUT
N/C
V DDH
RTN
LS
INT100
1
2
3
4
5
6
7
8
PACKAGE
OUTLINE
S16A
16
15
14
13
12
11
10
9
N/C
V DDH
HS RTN
HS RTN
HS RTN
HS OUT
N/C
N/C
ISOLATION
VOLTAGE
800 V
PI-1067-101493
PI-1807-031296
June 1996
®
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