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| 型号： | LTC3565EDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/22页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 1.25A 10DFN |
| 标准包装： | 121 |
| 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 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 最高 4MHz |
| 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： | 10-WFDFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 10-DFN（3x3） |
| 产品目录页面： | 1335 (CN2011-ZH PDF) |
LTC3565
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications a re at T J = 25°C. V IN = 3.6V, R T = 125 k unless otherwise specified. (Note 2)
SYMBOL
I S
f OSC
f SYNC
I LIM
R DS(ON)
I SW(LKG)
V RUN
I RUN
V UVLO
PGOOD
R PGOOD
PGOOD Blanking
V SYNC-MODE
t SOFT-START
PARAMETER
Input DC Supply Current (Note 4)
Active Mode
Sleep Mode
Shutdown
Oscillator Frequency
Synchronization Frequency
Peak Switch Current Limit
Top Switch On-Resistance
Bottom Switch On-Resistance
Switch Leakage Current
RUN Threshold
RUN Leakage Current
Undervoltage Lockout Threshold
Power Good Threshold
Power Good Pull-Down On-Resistance
Pulse Skip
Force Continuous
Burst
CONDITIONS
V SYNC/MODE = 3.6V, V FB = 0.55V
V SYNC/MODE = 3.6V, V FB = 0.8V
V RUN = 0V
RT = 125k
(Note 7)
(Note 7)
V IN = 3V, V FB = 0.5V
MSE Package
DD Package (Note 6)
MSE Package
DD Package (Note 6)
V IN = 5.5V, V RUN = 0V, V FB = 0V
V IN Ramping Down
V FB Ramping Up from 0.45V to 0.6V
V FB Ramping Down from 0.69V to 0.6V
V FB Step from 0V to 0.6V
V FB Step from 0.6V to 0V
V IN = 2.5V to 5.5V
V IN = 2.5V to 5.5V
V IN = 2.5V to 5.5V
10% to 90% of Regulation
l
l
MIN
1.3
0.4
1.5
0.3
1.2
V IN – 0.6
0.6
TYP
330
40
0.1
1.5
2.1
0.15
0.15
0.13
0.13
0.01
0.8
±0.01
1.9
–7
7
15
40
105
0.9
MAX
450
60
1
1.7
4
4
2.5
0.2
0.18
1
1.5
±1
2.2
20
0.6
V IN – 1.1
1.2
UNITS
μA
μA
μA
MHz
MHz
MHz
A
Ω
Ω
Ω
Ω
μA
V
μA
V
%
%
Ω
μs
μs
V
V
V
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
reliability and lifetime.
Note 2: The LTC3565 is tested under pulsed load conditions such that
T J ≈ T A . The LTC3565E is guaranteed to meet performance specifications
from 0°C to 85°C junction temperature. Specifications over the –40°C
to 125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LTC3565I is guaranteed over the full –40°C to 125°C operating junction
temperature range. Note that the maximum ambient temperature
consistent with these specifications is determined by specific operating
conditions in conjunction with board layout, the rated package thermal
resistance and other environmental factors.
Note 3: The LTC3565 is tested in a feedback loop which servos V FB to the
midpoint for the error amplifier (V ITH = 0.7V).
Note 4: Dynamic supply current is higher due to the internal gate charge
being delivered at the switching frequency.
Note 5: T J is calculated from the ambient T A and power dissipation P D
according to the following formulas:
LTC3565EDD: T J = T A + (P D ? 43°C/W)
LTC3565EMSE: T J = T A + (P D ? 40°C/W)
Note 6: Switch on-resistance is guaranteed by correlation to wafer level
measurements and assured by design characterization and correlation with
statistical process controls.
Note 7: 4MHz operation is guaranteed by design but not production tested
and is subject to duty cycle limitations (see Applications Information).
Note 8: 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.
3565fc
For more information www.linear.com/LTC3565
3
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相关代理商/技术参数 |
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|---|---|
| LTC3565EDDTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.25A, 4MHz, Synchronous Step-Down DC/DC Converter |
| LTC3565EDD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.25A, 4MHz, Synchronous Step-Down DC/DC Converter |
| LTC3565EMSE | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.25A, 4MHz, Synchronous Step-Down DC/DC Converter |
| LTC3565EMSE#PBF | 功能描述:IC REG BUCK SYNC ADJ 10MSOP 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 |
| LTC3565EMSE#TRPBF | 功能描述:IC REG BUCK SYNC ADJ 10MSOP 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:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:8-SOIC |
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