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參數資料
| 型號： | LTC3560ES6#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 2.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 1 MM HEIGHT, LEAD FREE, PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件頁數： | 1/16頁 |
| 文件大小： | 256K |
| 代理商： | LTC3560ES6#PBF |
LTC3560
1
3560fb
TYPICAL APPLICATION
DESCRIPTION
2.25MHz, 800mA
Synchronous Step-Down
Regulator in ThinSOT
The LTC3560 is a high efciency 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 efciency
and eliminates the need for an external Schottky diode.
Low output voltages are easily supported with the 0.6V
feedback reference voltage. The LTC3560 is available in a
low prole (1mm) ThinSOT package.
Figure 1a. High Efciency Step-Down Converter
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.
FEATURES
APPLICATIONS
n High Efciency: Up to 95%
n Low Output Ripple (<20mVP-P): Burst Mode
Operation: IQ = 16μA
n 2.5V to 5.5V Input Voltage Range
n 2.25MHz Constant Frequency Operation
n Synchronizable to External Clock
n No Schottky Diode Required
n Stable with Ceramic Capacitors
n Low Dropout Operation: 100% Duty Cycle
n 0.6V Reference Allows Low Output Voltages
n Shutdown Mode Draws < 1μA Supply Current
n ±2% Output Voltage Accuracy
n Current Mode Operation for Excellent Line and
Load Transient Response
n Overtemperature Protected
n Low Prole (1mm) ThinSOT Package
n Cellular Telephones
n Wireless and DSL Modems
n Digital Still Cameras
n Media Players
n Portable Instruments
Figure 1b. Efciency vs Load Current
VIN
CIN
10μF
CER
VIN
2.7V
TO 5.5V
LTC3560
RUN
SYNC/MODE
2.2μH
10pF
806k
255k
3405A F01a
SW
VFB
GND
COUT
10μF
CER
VOUT
2.5V
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
POWER
LOSS
(W)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3560 F01b
0
1
0.001
0.1
0.01
0.0001
1
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC3560ES6TR | 制造商:LINER 制造商全稱:Linear Technology 功能描述:2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT |
| LTC3560ES6TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT |
| LTC3560IS6#TRMPBF | 功能描述:IC REG BUCK SYNC ADJ TSOT23-6 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 系列:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調式 輸出數:1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關:600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應商設備封裝:8-SOIC |
| LTC3560IS6#TRPBF | 功能描述:IC REG BUCK SYNC ADJ TSOT23-6 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 系列:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調式 輸出數:1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關:600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應商設備封裝:8-SOIC |
| LTC3561 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1A, 4MHz, Synchronous Step-Down DC/DC Converter |
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