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參數(shù)資料
| 型號(hào)： | LT1239 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Backup Battery Management Circuit(后備電池管理電路) |
| 中文描述： | 備份電池管理電路（后備電池管理電路） |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大小： | 211K |
| 代理商： | LT1239 |
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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| LT1248C | Octal D-Type Transparent Latches with 3-state Outputs 20-SO 0 to 70 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1239_02 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Backup Battery Management Circuit |
| LT1239CS | 功能描述:IC BATT BACKUP MNGMNT SYS 16SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 功能:充電管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:3.75 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT |
| LT123A | 制造商:LINER 制造商全稱:Linear Technology 功能描述:5 Volt, 3 Amp Voltage Regulator |
| LT123AK | 制造商:LINER 制造商全稱:Linear Technology 功能描述:5 Volt, 3 Amp Voltage Regulator |
| LT123AK/883 | 制造商:Linear Technology 功能描述: |
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