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参数资料
| 型号： | LTC3606BIDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 0.8A 8DFN |
| 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： | 2.25MHz |
| 电流 - 输出： | 800mA |
| 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： | 8-WFDFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 8-DFN-EP（3x3） |
LTC3606B
800mA Synchronous
Step-Down DC/DC with
Average Input Current Limit
FEATURES
DESCRIPTION
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Programmable Average Input Current Limit:
±5% Accuracy
Step-Down Output: Up to 96% Ef?ciency
Low Noise Pulse-Skipping Operation at Light Loads
Input Voltage Range: 2.5V to 5.5V
Output Voltage Range: 0.6V to 5V
2.25MHz Constant-Frequency Operation
Power Good Output Voltage Monitor
Low Dropout Operation: 100% Duty Cycle
Internal Soft-Start
Current Mode Operation for Excellent Line and Load
Transient Response
±2% Output Voltage Accuracy
Short-Circuit Protected
Shutdown Current ≤ 1μA
Available in Small Thermally Enhanced 8-Lead
3mm × 3mm DFN Package
The LTC ? 3606B is an 800mA monolithic synchronous
buck regulator using a constant frequency current mode
architecture.
The input supply voltage range is 2.5V to 5.5V, making it
ideal for Li-Ion and USB powered applications. 100% duty
cycle capability provides low dropout operation, extending
the run time in battery-operated systems. Low output
voltages are supported with the 0.6V feedback reference
voltage. The LTC3606B can supply 800mA output current.
The LTC3606B’s programmable average input current limit
is ideal for USB applications and for point-of-load power
supplies because the LTC3606B’s limited input current
will still allow its output to deliver high peak load cur-
rents without collapsing the input supply. The operating
frequency is internally set at 2.25MHz allowing the use of
small surface mount inductors. Internal soft-start reduces
in-rush current during start-up. The LTC3606B is available
APPLICATIONS
in an 8-Lead 3mm × 3mm DFN package.
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High Peak Load Current Applications
USB Powered Devices
Supercapacitor Charging
Radio Transmitters and Other Handheld Devices
L , LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks
and Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Protected by U.S.Patents, including 5481178, 6127815,
6304066, 6498466, 6580258, 6611131.
TYPICAL APPLICATION
Monolithic Buck Regulator with Input Current Limit
GSM Pulse Load
V IN 3.4V
TO 5.5V
PGOOD
C IN
10μF
499k
V IN
LTC3606B
RUN
PGOOD
RLIM
SW
V FB
1.5μH
1210k
+
V OUT
3.4V AT
800mA
2.2mF
2
SuperCap
V OUT
200mV/DIV
V IN
AC-COUPLED
1V/DIV
GND
255k
I OUT
500mA/DIV
1000pF
116k
3606B TA01
I IN
I LIM = 475mA
500mA/DIV
1ms/DIV
3606B TA01b
V IN = 5V, 500mA COMPLIANT
I LOAD = 0A to 2.2A
3606bfb
1
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| LTC3607EUD#PBF | 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 0.6A 16QFN 制造商:Linear Technology 功能描述:DC-DC REGULATOR, BUCK, ADJ, QFN-16, Primary Input Voltage:15V, No. of Outputs:2, Output Current:600mA, No. of Pins:16, Operating Temperature Min:-40C, Operating Temperature Max:125C, MSL:-, Package / Case:16-QFN , RoHS Compliant: Yes 制造商:Linear Technology 功能描述:DP-SWREG/Monolithic, 15V Dual 600mA Monolithic Synchronous Step-Down DC/DC Regul |
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| LTC3608EWKG#PBF | 功能描述:IC REG BUCK SYNC ADJ 8A 52QFN 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 |
| LTC3608EWKG#TRPBF | 功能描述:IC REG BUCK SYNC ADJ 8A 52QFN 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 |
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