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參數(shù)資料
| 型號(hào)： | LT1239CS |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Backup Battery Management Circuit |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | 0.150 INCH, PLASTIC, SOP-16 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 246K |
| 代理商： | LT1239CS |
5
LT1239
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
Regulator 1, Comparator Quiescent
Current vs Input Voltage, Pin 14
Regulator 1 I
MON
Current vs
Output Current
Regulator 2 I
MON2
Current vs
Output Current
OUTPUT CURRENT (mA)
0
I
M
μ
A
250
200
150
100
50
0
40
LT1239 TPC04
10
20
30
50
V
IN2
= 6.8V
V
IMON2
= 0V
OUTPUT CURRENT (mA)
0
I
M
μ
A
250
200
150
100
50
0
40
LT1239 TPC05
10
20
30
50
V
IMON1
= 0V
V
IN1
= 24V
V
OUT1
= 6.8V
V
IN1
= 5V
V
OUT1
= 3.75V
V
IN1
= 5V
V
OUT1
= 3.75V
INPUT VOLTAGE, PIN 14 (V)
0
Q
μ
A
40
35
30
25
20
15
10
5
0
LT1239 TPC06
10
5
V
ADJ
(PIN 1) = V
OUT
(PIN 16)
V
PIN3
= 0V
(REGULATOR 1 IN SHUTDOWN)
Regulator 2 Reverse Output
Current vs Output Voltage
Regulator 1 Reverse Output
Current vs Output Voltage
Comparator Output Saturation
Voltage vs Output Current
TEMPERATURE (
°
C)
–50
S
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
50
75
LT1239 TPC10
–25
25
100
125
(ON-TO-OFF)
I
LOAD
= 1mA
(OFF-TO-ON)
I
LOAD
= 1mA
(OFF-TO-ON)
I
LOAD
= 30mA
Regulator 2, Error Amp, Low-
Battery Detector Quiescent Current
INPUT 2 VOLTAGE, PIN 10 (V)
Q
μ
A
30
25
20
15
10
5
0
2
4
6
8
LT1239 TPC11
10
1
0
3
5
7
9
V
SHDN2
= OPEN CIRCUIT
V
= 0V
(REGULATOR 2
IN SHUTDOWN)
Shutdown Pin Threshold
OUTPUT VOLTAGE (V)
0
R
μ
A
20
18
16
14
12
10
8
6
4
2
0
8
LT1239 TPC09
2
1
3
5
7
9
4
6
10
OUTPUT VOLTAGE (V)
0
R
μ
A
20
18
16
14
12
10
8
6
4
2
0
8
LT1239 TPC08
2
1
3
5
7
9
4
6
10
V
IN1
= 0V
ADJ (PIN 1) = V
OUT
(PIN 16)
OUTPUT CURRENT (mA)
0
O
400
350
300
250
200
150
100
50
0
80
LT1239 TPC07
20
40
60
100
70
10
30
50
90
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LT123A | 制造商:LINER 制造商全稱:Linear Technology 功能描述:5 Volt, 3 Amp Voltage Regulator |
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| LT123AK/883 | 制造商:Linear Technology 功能描述: |
| LT123K | 制造商:LINER 制造商全稱:Linear Technology 功能描述:5 Volt, 3 Amp Voltage Regulator |
| LT1240-7 | 制造商:Power-One 功能描述: |
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