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参数资料
| 型号： | LTC3417AIFE-2#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ DL 20TSSOP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 0.8 V ~ 5 V |
| 输入电压： | 2.25 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1.5MHz，600kHz ~ 4MHz |
| 电流 - 输出： | 1A，1.5A |
| 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： | 20-TSSOP（0.173"，4.40mm 宽）裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 20-TSSOP-EP |
LTC3417A-2
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 LTC3417AE-2 is guaranteed to meet speci?ed performance
from 0°C to 85°C. Speci?cations over the –40°C to 85°C operating
ambient temperature range are assured by design, characterization
and correlation with statistical process controls. The LTC3417AI-2 is
guaranteed to meet performance speci?cations over the –40°C to 125°C
operating temperature range.
Note 3: The LTC3417A-2 is tested in feedback loop which servos V FB1 to
the midpoint for the error ampli?er (V ITH1 = 0.6V) and V FB2 to the midpoint
for the error ampli?er (V ITH2 = 0.6V).
Note 4: Total supply current is higher due to the internal gate charge being
Note 5: Switch on-resistance is guaranteed by design and test correlation
on the DHC package and by ?nal test correlation on the FE package.
Note 6: Variable frequency operation with resistor is guaranteed by design
but not production tested and is subject to duty cycle limitations.
Note 7: 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 speci?ed maximum operating junction
temperature may impair device reliability.
Note 8: T J is calculated from the ambient temperature, T A , and power
dissipation, P D , according to the following formula:
LTC3417AEDHC-2: T J = T A + (P D ? 43°C/W)
LTC3417AEFE-2: T J = T A + (P D ? 38°C/W)
delivered at the switching frequency.
TYPICAL PERFORMANCE CHARACTERISTICS
OUT1 Pulse Skipping
OUT1 Forced Continuous
V OUT
20mV/DIV
I L
250mA/DIV
OUT1 Burst Mode Operation
V OUT
20mV/DIV
I L
250mA/DIV
Mode Operation
V OUT
20mV/DIV
I L
250mA/DIV
Mode Operation
V IN = 3.6V 2μs/DIV
V OUT = 1.8V
I LOAD = 100mA
REFER TO FIGURE 4
3417A-2 G01
V IN = 3.6V 2μs/DIV
V OUT = 1.8V
I LOAD = 100mA
REFER TO FIGURE 4
3417A-2 G02
V IN = 3.6V
V OUT = 1.8V
I LOAD = 100mA
REFER TO FIGURE 4
2μs/DIV
3417A-2 G03
OUT2 Pulse Skipping
OUT2 Forced Continuous
V OUT
20mV/DIV
I L
250mA/DIV
OUT2 Burst Mode Operation
V OUT
20mV/DIV
I L
250mA/DIV
Mode Operation
V OUT
20mV/DIV
I L
250mA/DIV
Mode Operation
V IN = 3.6V
2μs/DIV
3417A-2 G04
V IN = 3.6V
2μs/DIV
3417A-2 G05
V IN = 3.6V
2μs/DIV
3417A-2 G06
V OUT = 2.5V
I LOAD = 60mA
REFER TO FIGURE 4
V OUT = 2.5V
I LOAD = 60mA
REFER TO FIGURE 4
V OUT = 2.5V
I LOAD = 60mA
REFER TO FIGURE 4
3417a2fa
4
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相关代理商/技术参数 |
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| LTC3417AIFEPBF | 制造商:Linear Technology 功能描述:Conv DC-DC Dual Step-Down 5.5V TSSOP20EP |
| LTC3417EDHC | 制造商:Linear Technology 功能描述:Conv DC-DC Dual Step Down 2.25V to 5.5V 16-Pin DFN EP |
| LTC3417EDHC#PBF | 功能描述:IC REG BUCK SYNC ADJ DL 16DFN 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 |
| LTC3417EDHC#TRPBF | 功能描述:IC REG BUCK SYNC ADJ DL 16DFN 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 |
| LTC3417EFE | 制造商:Linear Technology 功能描述:Conv DC-DC Dual Step Down 2.25V to 5.5V 20-Pin TSSOP EP |
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