HIP1090 Datasheet, PDF (1/5 Pages) Intersil Corporation – Protected High Side Power Switch with Transient Suppression

HIP1090
March 1995
Protected High Side Power Switch
with Transient Suppression
Features
• ±90V Transient Suppression
• 4V to 16V Operating Voltage
• 1A Current Load Capability
• Low Input-Output Voltage Drop
Saturation Detector for
- Fast Low Current Turn-OFF
- Reduced No-Load Idle Current
With
Controlled
• Over-Voltage Shutdown Protection
• Short Circuit Current Limiting
• Over-Temperature Limiting Protected
• Thermal Limiting at T_J = +150^oC
• -40^oC to +125^oC Operating Temperature Range
Applications
• Electronic Circuit Breaker
• Transient Suppressor
• Over-Voltage Monitor
• High Side Driver Switch for
- Relays
- Solenoids
- Heaters
- Motors
- Lamps
Ordering Information
PART
NUMBER
HIP1090AS
TEMPERATURE
RANGE
-40^oC to +125^oC
PACKAGE
TO-220AB SIP
Description
The HIP1090 is a Protected Power Interface Switch
designed to suppress potentially damaging over-voltage
transients with peak voltage source inputs ranging up to
±90V in amplitude. It is designed to be operated in a ‘hard-
wired’ pass-thru mode or as a high side power switch which
controls the current flow through a PNP pass transistor of
the IC. In either mode The HIP1090 has a low saturated
forward voltage drop. The protected load circuit is connected
to the output of the IC. As such, the HIP1090 operates as a
transient suppressor where the PNP drive transistor is
switched off when V_IN is greater than the Over-Voltage Shut-
down range of 16V to 19V. Shutdown also occurs when V_IN
is less than the forward turn-on threshold of approximately
2.5V, including the negative voltage range.
The merits of transient suppression depend on the required
integrity of the applications load elements. Instrument panel
signal warning lights for critical functions such as over-
temperature or low fluid levels can be protected by the
HIP1090 against high level transient voltages and double
battery conditions that may potentially cause bulb burnouts.
The HIP1090 may be used to protect the power supplies of
small signal or logic circuits with voltages ranging from 4V to
16V, effectively blocking higher peak voltages.
The HIP1090 has internal current limiting protection in the
range of 1A to 2A for short circuit to ground conditions and
thermal shutdown protection when the junction temperature
is greater than 150^oC. It is capable of driving resistive,
inductive or lamp loads (such as lamps No. 168 or 194) with
minimum risk of damage under harsh environmental stress
conditions. The HIP1090 is supplied in a 3 lead TO-220AB
package.
Pinout
HIP1090 (SIP)
TOP VIEW
NOTE:
HEAT SINK TAB
INTERNALLY
CONNECTED
TO PIN 2
1 23
Functional Block Diagram
1
V_IN
(V_CC OR
V_BATT)
R_S
0.02Ω
3
V_OUT
(TO LOAD)
THERMAL
LIMIT
CURRENT
LIMIT
OVER-
VOLTAGE
SHUTDOWN
BASE
CURRENT
AMPLIFIER
V_CESAT
DETECTOR
2
V_CON
(CONTROL OR GND)
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
407-727-9207 | Copyright © Intersil Corporation 1999
9-22
File Number 3398.3