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2436 Datasheet(PDF) 2 Page - Allegro MicroSystems

Part # 2436
Description  COUNTDOWN POWER TIMER
PDF  3 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

2436 Datasheet(HTML) 2 Page - Allegro MicroSystems

  2436 Datasheet HTML 1Page - Allegro MicroSystems 2436 Datasheet HTML 2Page - Allegro MicroSystems 2436 Datasheet HTML 3Page - Allegro MicroSystems  
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2436
COUNTDOWN POWER TIMER
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
ELECTRICAL SPECIFICATIONS at T
A = -40°C to +85°C, VCC = 12 V
(unless otherwise specified).
Limits
Characteristic
Test Conditions
Min.
Max.
Units
Regulator Voltage
IREG = 12 mA, Output Off
7.0
9.0
V
Output Saturation Voltage
IOUT = 400 mA, TA = +25°C
—
2.5
V
IOUT = 250 mA, TA = +25°C
—
1.35
V
Output Leakage Current
VOUT = 28 V, VCC = 12 V
—
100
µA
VOUT = 22 V, VCC = Open Circuit
—
100
µA
Input Threshold Voltage
10 k
Ω Series Resistor
1.0
5.0
V
Oscillator Tolerance
TA = +25°C—
±3.0
%
TA = -40°C to +85°C—
±6.0
%
Initial Timeout
4064
4064
—
Subsequent Timeouts
2032
2032
—
Divider Count
(V
CC
= 10 V to 16 V)
Dwg. ES-012A
TEST CIRCUIT AND TYPICAL
REAR-WINDOW DEFOGGER APPLICATION
C
0.1
µF
T
R
1 k
Ω
S
C
S
65
Ω, 65 mH
+
1
2
3
45
6
7
8
VREG
F/F
VCC
10 k
Ω
24 V
1
µF
TOGGLE
R
1.5 M
Ω
T
10 k
Ω
Dwg. GP-009-1B
50
75
100
125
150
0.5
0
TEMPERATURE IN
°C
2.0
1.5
1.0
25
R
= 55
°C/W
θJC
FREE AIR, R
= 80
°C/W
θJA
W
Copyright © 1987, 1993, Allegro MicroSystems, Inc.



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