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| 型号： | LT1579CS-3.3#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 9/20页 |
| 文件大小： | 0K |
| 描述： | IC LDO REG SMART DUAL3.3V 16SOIC |
| 标准包装： | 50 |
| 功能： | 备份管理 |
| 电池化学： | 智能电池 |
| 工作温度： | 0°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
LT1579
TYPICAL PERFOR M A N CE CHARACTERISTICS
LT1579-5 “Hot” Plugging and
Ripple Rejection
Load Regulation
Unplugging Transient Response
100
90
80
70
I LOAD = 150mA
V IN = 6V + 50mV RMS RIPPLE
C OUT = 47 μ F
0
–2
–4
LT1579
LT1579-5
? I LOAD = 1mA TO 300mA
LT1579-3
V IN1
6V
5V
60
50
40
30
20
10
0
SOLID
TANTALUM
C OUT = 4.7 μ F
SOLID
TANTALUM
–6
–8
–10
–12
–14
–16
LT1579-3.3
V OUT
50mV/DIV
UNPLUG
V IN1
REPLACE
V IN1
10
100
1k 10k
100k
1M
– 50 – 25
0
25
50
75
100
125
FREQUENCY (Hz)
1579 G30
LT1579-5 Transient Response
100
50
0
TEMPERATURE ( ° C)
1579 G40
LT1579-5 Transient Response
100
50
0
– 50
–100
V IN = 6V
C IN = 1 μ F CERAMIC
C OUT = 4.7 μ F TANTALUM
– 50
–100
V IN = 6V
C IN = 1 μ F CERAMIC
C OUT = 22 μ F TANTALUM
100
75
50
25
300
200
100
0
0
50 100 150 200 250 300 350 400 450 500
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1,0
TIME ( μ s)
1579 G33
PI N FU N CTIO N S
V IN1 : The primary power source is connected to V IN1 . A
bypass capacitor is required on this pin if the device is
more than six inches away from the main input filter
capacitor. In general, the output impedance of a battery
rises with frequency, so it is advisable to include a bypass
capacitor in battery-powered circuits. A bypass capacitor
in the range of 1 μ F to 10 μ F is sufficient.
V IN2 : The secondary power source is connected to V IN2 .
A bypass capacitor is required on this pin if the device is
more than six inches away from the main input filter
capacitor. In general, the output impedance of a battery
TIME (ms)
1579 G34
rises with frequency, so it is advisable to include a bypass
capacitor in battery-powered circuits. A bypass capacitor
in the range of 1 μ F to 10 μ F is sufficient.
OUT: The output supplies power to the load. A minimum
output capacitor of 4.7 μ F is required to prevent oscilla-
tions. Larger output capacitors will be required for appli-
cations with large transient loads to limit peak voltage
transients.
ADJ: For the adjustable LT1579, this is the input to the
error amplifier. This pin is internally clamped to 7V and
– 0.6V (one V BE ). It has a bias current of 6nA which flows
9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1579CS-5 | 功能描述:IC LDO REG SMART DUAL 5V 16-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2 |
| LT1579CS-5#PBF | 功能描述:IC LDO REG SMART DUAL 5V 16-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2 |
| LT1579CS-5#TR | 功能描述:IC REG LDO SMART DUAL 5V 16SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LT1579CS-5#TRPBF | 功能描述:IC LDO REG SMART DUAL 5V 16-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LT1579CS8 | 功能描述:IC LDO REG SMART DUAL ADJ 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
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