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參數(shù)資料
| 型號： | LTC3526LEDC-2#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 2 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WCCD-2, DFN-6 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 332K |
| 代理商： | LTC3526LEDC-2#PBF |
LTC3526L-2/LTC3526LB-2
3526lb2fa
Typical applicaTion
DescripTion
FeaTures
applicaTions
550mA 2MHz Synchronous
Step-Up DC/DC Converters
in 2mm
× 2mm DFN
The LTC3526L-2/LTC3526LB-2 are synchronous, fixed
frequency step-up DC/DC converters with output discon-
nect. Synchronous rectification enables high efficiency in
the low profile 2mm
× 2mm DFN package. Battery life in
single AA/AAA powered products is extended further with
a 680mV start-up voltage and operation down to 500mV
once started.
A switching frequency of 2MHz minimizes solution foot-
print by allowing the use of tiny, low profile inductors
and ceramic capacitors. The current mode PWM design
is internally compensated, reducing external parts count.
The LTC3526L-2 features Burst Mode operation at light
load conditions allowing it to maintain high efficiency over
a wide range of load. The LTC3526LB-2 features fixed
frequency operation for low noise applications. Anti-ring
circuitry reduces EMI by damping the inductor in discon-
tinuous mode. Additional features include a low shutdown
current of under 1A and thermal shutdown.
The LTC3526L-2/LTC3526LB-2 are housed in a 2mm
×
2mm
× 0.75mm DFN package.
L
, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks
and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Patents pending.
n
Medical Instruments
n
Noise Canceling Headphones
n
Wireless Mice
n
Bluetooth Headsets
n
Delivers 3.3V at 100mA from a Single Alkaline/
NiMH Cell or 3.3V at 200mA from Two Cells
n
VIN Start-Up Voltage: 680mV
n
1.5V to 5.25V VOUT Range
n
Up to 94% Efficiency
n
Output Disconnect
n
2MHz Fixed Frequency Operation
n
VIN > VOUT Operation
n
Integrated Soft-Start
n
Current Mode Control with Internal Compensation
n
Burst Mode Operation with 9A IQ (LTC3526L-2)
n
Low Noise PWM Operation (LTC3526LB-2)
n
Internal Synchronous Rectifier
n
Logic Controlled Shutdown (IQ < 1A)
n
Anti-Ring Control
n
Low Profile (2mm
× 2mm × 0.75mm) 6-Lead
DFN Package
SW
VIN
1.78M
1M
3526lb2 TA01a
LTC3526L-2
SHDN
VOUT
FB
VIN
1.6V TO 3.2V
VOUT
3.3V
200mA
OFF ON
2.2H
4.7F
33pF
GND
LOAD CURRENT (mA)
0.01
40
EFFICIENCY
(%)
POWER
LOSS
(mW)
50
60
70
80
0.1
1
10
100
1000
3526lb2 TA01b
30
20
10
0
90
100
1
10
100
0.1
0.01
1000
EFFICIENCY
POWER LOSS
VIN = 2.4V
Efficiency and Power Loss vs Load Current
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC3526LBEDC-2#TRPBF | SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3526LEDC#PBF | 0.55 A SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3527EUD | 0.8 A DUAL SWITCHING CONTROLLER, 2800 kHz SWITCHING FREQ-MAX, PQCC16 |
| LTC3527EUD#TR | 0.8 A DUAL SWITCHING CONTROLLER, 2800 kHz SWITCHING FREQ-MAX, PQCC16 |
| LTC3527EUD-1#TR | 0.8 A DUAL SWITCHING CONTROLLER, 2800 kHz SWITCHING FREQ-MAX, PQCC16 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3526LEDC-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:550mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm × 2mm DFN |
| LTC3526LEDC-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:550mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm × 2mm DFN |
| LTC3527 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:400mA Step-Up DC/DC Converter with Maximum Power Point Control and 250mV Start-Up |
| LTC3527-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| LTC3527EUD | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
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