參數(shù)資料
型號: 2436
廠商: Allegro MicroSystems, Inc.
英文描述: Audio Sample Rate Converter IC; IC Function:Audio Sample Rate Converter IC; Package/Case:28-SOIC; Leaded Process Compatible:No; No. of Channels:2; Operating Temp. Max:85 C; Operating Temp. Min:-40 C RoHS Compliant: Yes
中文描述: 的CountDown電源定時器
文件頁數(shù): 2/3頁
文件大?。?/td> 79K
代理商: 2436
2436
COUNTDOWN POWER TIMER
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright 1987, 1993, Allegro MicroSystems, Inc.
ELECTRICAL SPECIFICATIONS at T
A
= -40
°
C to +85
°
C, V
CC
= 12 V
(unless otherwise specified).
Limits
Characteristic
Test Conditions
Min.
Max.
Units
Regulator Voltage
I
REG
= 12 mA, Output Off
7.0
9.0
V
Output Saturation Voltage
I
OUT
= 400 mA, T
A
= +25
°
C
2.5
V
I
OUT
= 250 mA, T
A
= +25
°
C
1.35
V
Output Leakage Current
V
OUT
= 28 V, V
CC
= 12 V
100
μ
A
V
OUT
= 22 V, V
CC
= Open Circuit
100
μ
A
Input Threshold Voltage
10 k
Series Resistor
1.0
5.0
V
Oscillator Tolerance
T
A
= +25
°
C
±
3.0
%
T
A
= -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
μ
F
T
R 1 k
C
S
65
, 65 mH
+
1
μ
F
1
2
3
4
5
6
7
8
VREG
C
F/F
V
CC
10 k
24 V
TOGGLE
R
1.5 M
T
10 k
Dwg. GP-009-1B
50
75
100
125
150
0.5
0
A
TEMPERATURE IN
°
C
2.0
1.5
1.0
25
R = 55
°
C/W
FREE AIR, R = 80
°
C/W
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