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参数资料
| 型号： | LTC3560ES6#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ TSOT23-6 |
| 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： | 800mA |
| 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-23-6 细型，TSOT-23-6 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | TSOT-23-6 |
LTC3560
2.25MHz, 800mA
Synchronous Step-Down
Regulator in ThinSOT
FEATURES
DESCRIPTION
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High Ef?ciency: Up to 95%
Low Output Ripple (<20mV P-P ): Burst Mode ?
Operation: I Q = 16μA
2.5V to 5.5V Input Voltage Range
2.25MHz Constant Frequency Operation
Synchronizable to External Clock
No Schottky Diode Required
Stable with Ceramic Capacitors
Low Dropout Operation: 100% Duty Cycle
0.6V Reference Allows Low Output Voltages
Shutdown Mode Draws < 1μA Supply Current
±2% Output Voltage Accuracy
Current Mode Operation for Excellent Line and
Load Transient Response
Overtemperature Protected
Low Pro?le (1mm) ThinSOT ? Package
The LTC ? 3560 is a high ef?ciency monolithic synchronous
buck regulator using a constant frequency, current mode
architecture. Supply current during operation is only 16μA,
dropping to <1μA in shutdown. The 2.5V to 5.5V input
voltage range makes the LTC3560 ideally suited for single
Li-Ion/Li-Polymer battery-powered applications. 100%
duty cycle provides low dropout operation, extending
battery life in portable systems.
Switching frequency is internally set at 2.25MHz, allowing
the use of small surface mount inductors and capacitors.
For noise sensitive applications the LTC3560 can be ex-
ternally synchronized from 1MHz to 3MHz. Burst Mode
operation is inhibited during synchronization or when the
SYNC/MODE pin is pulled high, preventing low frequency
ripple from interfering with audio circuitry.
The internal synchronous switch increases ef?ciency
APPLICATIONS
and eliminates the need for an external Schottky diode.
Low output voltages are easily supported with the 0.6V
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Cellular Telephones
Wireless and DSL Modems
Digital Still Cameras
Media Players
Portable Instruments
feedback reference voltage. The LTC3560 is available in a
low pro?le (1mm) ThinSOT package.
L , LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners. Protected by U.S. Patents including 6580258, 5481178, 5994885,
6304066, 6498466, 6611131.
TYPICAL APPLICATION
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90
80
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1
0.1
V IN
2.7V
TO 5.5V
C IN
10μF
CER
V IN SW
LTC3560
RUN
SYNC/MODE V FB
GND
3405A F01a
2.2μH
10pF
806k
255k
C OUT
10μF
CER
V OUT
2.5V
60
50
40
30
20
10
0
V IN = 3.6V
V IN = 4.2V
V IN = 5.5V
0.01
0.001
0.0001
0.1
1
10 100
1000
LOAD CURRENT (mA)
3560 F01b
Figure 1a. High Ef?ciency Step-Down Converter
Figure 1b. Ef?ciency vs Load Current
3560fb
1
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相关代理商/技术参数 |
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| LTC3560IS6#TRPBF | 功能描述:IC REG BUCK SYNC ADJ TSOT23-6 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 |
| LTC3561 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1A, 4MHz, Synchronous Step-Down DC/DC Converter |
| LTC3561A | 制造商:LINER 制造商全称:Linear Technology 功能描述:1A, 4MHz, Synchronous Step-Down DC/DC Converter |
| LTC3561AEDD#PBF | 功能描述:IC REG BUCK SYNC ADJ 1A 8DFN 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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