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参数资料
| 型号： | LTC3427EDC#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC ADJ 0.5A 6DFN |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.8 V ~ 5.25 V |
| 输入电压： | 1.8 V ~ 5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.25MHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 6-DFN-EP（2x2） |
LTC3427
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC3427E is guaranteed to meet performance specifications
from 0 ° C to 70 ° C. Specifications over the –40 ° C to 85 ° C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Current is measured into the V OUT pin since the supply current is
bootstrapped to the output. The current will reflect to the input supply by:
(V OUT /V IN ) ? Efficiency. The outputs are not switching.
Note 4: Specification is guaranteed by design and not 100% tested in
production.
Note 5: The LTC3427 includes an overtemperature shutdown that is
intended to protect the device during momentary overload conditions.
Junction temperature will exceed 125 ° C when the overtemperature
shutdown is active. Continuous operation above the specified maximum
operating junction temperature may impair device reliability.
TYPICAL PERFOR A CE CHARACTERISTICS
T A = 25 ° C unless otherwise specified.
100
2-Cell Alkaline to 3.3V Efficiency
100
Li-Ion to 5V Efficiency
100
2-Cell Alkaline to 5V Efficiency
95
90
85
80
75
70
V IN = 3.1V
V IN = 2.4V
V IN = 1.8V
95
90
85
80
75
70
V IN = 3.6V
V IN = 4.2V
V IN = 3.1V
95
90
85
80
75
70
V IN = 3.2V
V IN = 2.4V
V IN = 1.8V
65
60
55
50
65
60
55
50
65
60
55
50
1
10 100
1000
1
10 100
1000
1
10 100
1000
V OUT
1V/DIV
INDUCTOR
CURRENT
100mA/DIV
LOAD CURRENT (mA)
Inrush Current Control
3427 G01
V OUT
100mV/DIV
AC COUPLED
I OUT
40mA
TO 100mA
LOAD CURRENT (mA)
Load Transient Response
3427 G02
I LOAD
100mA
I LOAD
50mA
I LOAD
10mA
LOAD CURRENT (mA)
V OUT Ripple, AC Coupled
3427 G03
SHDN
5V/DIV
V IN = 2.4V
C OUT = 22 μ F
L = 4.7 μ H
500 μ s/DIV
3427 G04
V IN = 1.8V
V OUT = 3.3V
C OUT = 4.7 μ F
L = 4.7 μ H
100 μ s/DIV
3427 G05
V IN = 2.4V
V OUT = 3.3V
L = 4.7 μ H
C IN = 2.2 μ F
C OUT = 4.7 μ F
500ns/DIV
3427 G13
3427fa
3
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| LTC3428EDD#PBF | 功能描述:IC REG BOOST ADJ 4A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LTC3428EDD#TRPBF | 功能描述:IC REG BOOST ADJ 4A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
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