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| 型号： | LTC3534EGN#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BST SYNC 0.5A 16SSOP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压），升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.8 V ~ 7 V |
| 输入电压： | 2.4 V ~ 7 V |
| PWM 型： | Burst Mode? |
| 频率 - 开关： | 1MHz |
| 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： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-SSOP |
LTC3534
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = V OUT = 5V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Start-Up Voltage
Input Operating Range
Output Voltage Adjust Range
l
l
l
2.4
1.8
2.2
2.4
7
7
V
V
V
Feedback Voltage
Feedback Input Current
V IN Quiescent Current – Burst Mode
Operation
V IN Quiescent Current – Shutdown
V IN Quiescent Current – Active
Input Current Limit
(Note 4)
V FB = Measured Feedback Voltage (Note 4)
V FB = 1.2V, V PWM = 0V (Note 5)
V RUN/SS = 0V, Not Including Switch Leakage, V OUT = 0V
V FB = 1.2V, V PWM = 5V (Note 5)
V PWM = 5V
l
l
0.975
1
1
1
25
0.1
420
1.8
1.015
50
50
1
700
V
nA
μA
μA
μA
A
Reverse Current Limit
Burst Current Limit
V PWM = 5V
V PWM = 0V
500
400
mA
mA
NMOS Switches Leakage
PMOS Switches Leakage
PMOS Switches On-Resistance
NMOS B Switch On-Resistance
NMOS C Switch On-Resistance
Switches B and C
Switches A and D
Switches A and D
Switch B
Switch C
0.1
0.1
260
275
215
7
10
μA
μA
mΩ
mΩ
mΩ
Maximum Duty Cycle
Minimum Duty Cycle
Boost (% Switch C On)
Buck (% Switch A On)
l
l
l
75
100
85
0
%
%
%
Frequency
Error Amp AV OL
(Note 4)
l
0.80
1
74
1.15
MHz
dB
Error Amp Source Current
Error Amp Sink Current
–15
225
μA
μA
RUN/SS Threshold
RUN/SS Input Current – Shutdown
RUN/SS Input Current – Active
PWM Threshold
PWM Input Current
V RUN/SS = 400mV; IC is Shut Down
V RUN/SS = 5V; IC is Enabled
Measured at PWM Pin; Voltage at which Burst Mode Operation is
Disabled (PWMing Enabled)
V PWM = 5V
l
0.4
0.4
1
0.02
0.28
1
1.25
1.4
1
1
1.4
2.5
V
μA
μA
V
μA
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 LTC3534E is guaranteed to meet performance specifications
from 0°C to 85°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: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may result in device degradation or failure.
Note 4: The IC is tested in a feedback loop to make this measurement.
Note 5: Current Measurements are performed when the outputs are not
switching.
3534fb
For more information www.linear.com/LTC3534
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3535 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Channel 550mA 1MHz Synchronous Step-Up DC/DC Converter |
| LTC3535EDD#PBF | 功能描述:IC REG BST SYNC ADJ 0.55A 12DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
| LTC3535EDD#PBF | 制造商:Linear Technology 功能描述:DC/DC CONVERTER IC |
| LTC3535EDD#TRPBF | 功能描述:IC REG BST SYNC ADJ 0.55A 12DFN 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 |
| LTC3535EDD-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Channel 550mA 1MHz Synchronous Step-Up DC/DC Converter |
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