. . . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . . . . .
(2 min.) . . . . .
. . . . . . . . . . . . . . . . . 16 V
. . . . . . . . . . . . . . . . . . . .
鈥?/div>
COUNTER
OSC.
1
2
3
4
8
7
6
5
MODE SELECT
NO
CONNECTION
NO
CONNECTION
SUPPLY
F/F
VREG
Dwg. No. PS-016
Data Sheet
27462.20A
The ULQ2436M is a rugged, long-duration countdown timer
specifically designed to operate in an automotive or industrial environ-
ment. It uses an internal RC oscillator to drive a digital countdown
circuit for timing periods of typically 2-1/2 to 5 minutes. The
ULQ2436M multiplies the oscillator period by 4064. Internal logic can
automatically cause the timeout to be halved for successive timeouts.
I
2
L technology is used for the countdown and logic circuitry and
conventional linear bipolar devices for the oscillator and output power
functions. This combination, together with the low-cost 8-pin mini-DIP
plastic package, results in a very economical power timer suitable for a
wide variety of applications.
The Darlington-connected output driver is capable of switching
loads up to 400 mA.
Dwg. No. PS-016
FEATURES
s
s
s
s
s
s
s
28 V/400 mA Output Switch
Low-Cost Ceramic Timing Capacitor
Dual-Mode Timing Operation
-40擄C to +85擄C Operation
10 V to 16 V Operation
Internal Stabilizing Regulator
Low-Cost 8-Pin Mini-DIP
ABSOLUTE MAXIMUM RATINGS
at T
A
= +25擄C
APPLICATIONS
s
s
s
s
15 mA
Automotive Rear-Window Defogger Timer
Automotive Courtesy Light Timer
Appliance Power Timer
Power Control System
Operating Temperature Range,
T
A
. . . . . . . . . . . . . . . .
-40
擄
C to +85
擄
C
Storage Temperature Range,
T
S
. . . . . . . . . . . . . . .
-65
擄
C to +150
擄
C
Always order by complete part number:
ULQ2436M
.
ALLEGRO
1
2
3
