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| 型号： | LTC3564IS5#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ TSOT23-5 |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 5.5 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 2.25MHz |
| 电流 - 输出： | 1.25A |
| 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： | SOT-23-5 细型，TSOT-23-5 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | TSOT-23-5 |
LTC3564
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating junction temperature range, otherwise specifications are T A = 25 ° C.
V IN = 3.6V unless otherwise specified.
SYMBOL
I S
PARAMETER
Input DC Bias Current
Active Mode
Sleep Mode
Shutdown
CONDITIONS
(Note 5)
V FB = 0.5V or V OUT = 90%, I LOAD = 0A
V FB = 0.62V or V OUT = 103%, I LOAD = 0A
V RUN = 0V, V IN = 4.2V
MIN
TYP
300
20
0.1
MAX
400
35
1
UNITS
μ A
μ A
μ A
f OSC
R PFET
R NFET
I LSW
V RUN
I RUN
t SOFTSTART
Oscillator Frequency
R DS(ON) of P-Channel FET
R DS(ON) of N-Channel FET
SW Leakage
RUN Threshold
RUN Leakage Current
Soft-Start Time
V FB = 0.6V or V OUT = 100%
S5 Package
DCB Package
S5 Package
DCB Package
V RUN = 0V, V SW = 0V or 5V, V IN = 5V
V FB from 10% to 90% Full Scale
●
●
●
1.8
0.3
0.6
2.25
0.15
0.15
0.15
0.15
± 0.01
1
± 0.01
0.9
2.7
0.2
0.2
± 1
1.5
± 1
1.2
MHz
Ω
Ω
Ω
Ω
μ A
V
μ A
ms
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
reliabilty and lifetime.
Note 2: The LTC3564E is guaranteed to meet performance specifications
from 0 ° C to 125 ° C junction temperature. Specifications over the –40 ° C to
125 ° C operating junction termperature range are assured by design,
characterization and correlation with statistical process controls. The
LTC3564I is guaranteed over the full –40 ° C to 125 ° C operating junction
temperature range. High junction temperatures degrade operating
lifetimes. Operating lifetime is derated at junction temperatures greater
than 125 ° C.
Note 3: T J is calculated from the ambient temperature T A and power
dissipation P D according to the following formula:
LTC3564ES5: T J = T A + (P D )(215 ° C/W)
LTC3564EDCB: T J = T A + (P D )(64 ° C/W)
Note 4: The LTC3564 is tested in a proprietary test mode.
Note 5: Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency.
Note 6: 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 impair device reliability.
3564f
3
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| LTC3565 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.25A, 4MHz, Synchronous Step-Down DC/DC Converter |
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| LTC3565EDD#PBF | 功能描述:IC REG BUCK SYNC ADJ 1.25A 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 |
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