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參數(shù)資料
| 型號： | LTC3564ES5#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | LEAD FREE, PLASTIC, MO-193, TSOT-23, 5 PIN |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 271K |
| 代理商： | LTC3564ES5#PBF |
1
LTC3564
3564f
■
High Efficiency: Up to 96%
■
Very Low Quiescent Current: Only 20
μA
■
1.25A Output Current
■
2.5V to 5.5V Input Voltage Range
■
2.25MHz Constant Frequency Operation
■
No Schottky Diode Required
■
Low Dropout Operation: 100% Duty Cycle
■
0.6V Reference Allows Low Output Voltages
■
Shutdown Mode Draws
≤1μA Supply Current
■
Current Mode Operation for Excellent Line and
Load Transient Response
■
Overtemperature Protected
■
Low Profile (1mm) ThinSOT
TM and
6-Lead (2mm
× 3mm) DFN Packages
The LTC
3564 is a high efficiency monolithic synchro-
nous buck regulator using a constant frequency, current
mode architecture. Supply current during operation is
only 20
μA, dropping to ≤1μA in shutdown. The 2.5V to
5.5V input voltage range makes the LTC3564 ideally suited
for single Li-Ion battery-powered or 3.3V to 5V input
voltage applications. 100% duty cycle provides low drop-
out operation, extending battery life in portable systems.
Automatic Burst Mode
operation increases efficiency at
light loads, further extending battery runtime.
Switching frequency is internally set at 2.25MHz, allowing
the use of small surface mount inductors and capacitors.
The internal synchronous switch increases efficiency and
eliminates the need for an external Schottky diode. Low
output voltages are easily supported with the 0.6V feed-
back reference voltage. The LTC3564 is available in low
profile (1mm) ThinSOT and 6-Lead (2mm
× 3mm) DFN
packages.
■
Cellular Telephones
■ Wireless and DSL Modems
■ Digital Still Cameras
■ Media Players
■ Portable Instruments
■ Point of Load Regulation
2.25MHz, 1.25A
Synchronous
Step-Down Regulator
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
Burst Mode is a registered trademark 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 5481178, 6580258, 6304066, 6498466, 6611131.
VIN
CIN
22
μF
CER
VIN
LTC3564
RUN
1.1
μH
22pF
634k
316k
3564 TA01a
SW
VFB
GND
COUT
22
μF
CER
VOUT
1.8V
OUTPUT CURRENT (mA)
0.1
40
EFFICIENCY
(%)
POWER
LOSS
(W)
50
60
70
80
1
10
100
1000
10000
3564 TA01b
30
20
10
0
90
100
0.0001
0.001
0.01
0.1
0.00001
1
10
VOUT = 1.8V
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3564ES5-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:2.25MHz, 1.25A Synchronous Step-Down Regulator |
| LTC3564IDCB#PBF | 制造商:Linear Technology 功能描述:DP-SWREG/Monolithic, Cut Tape 2.25MHz, 1.2A Synchronous Step-Down Regulator in T |
| LTC3564IDCB#TRMPBF | 功能描述:IC REG BUCK SYNC ADJ 1.25A 6DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)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(shù):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 |
| LTC3564IDCB#TRPBF | 功能描述:IC REG BUCK SYNC ADJ 1.25A 6DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)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(shù):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 |
| LTC3564IDCB-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:2.25MHz, 1.25A Synchronous Step-Down Regulator |
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