參數(shù)資料
型號： LTC3536IMSE#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 4 A SWITCHING REGULATOR, 1440 kHz SWITCHING FREQ-MAX, PDSO12
封裝： LEAD FREE, PLASTIC, MSOP-12
文件頁數(shù)： 1/28頁
文件大?。?/td> 1088K
代理商： LTC3536IMSE#TRPBF
LTC3536
1
3536f
TYPICAL APPLICATION
FEATURES
DESCRIPTION
1A Low Noise, Buck-Boost
DC/DC Converter
The LTC3536 is an extended VIN range, fixed frequency,
synchronous buck-boost DC/DC converter that operates
from input voltages above, below or equal to the regulated
output voltage. The topology incorporated in the LTC3536
provides low noise operation, making it ideal for RF and
precision measurement applications.
The device can produce up to 1A of continuous output
current, and it includes two N-channel and two P-channel
MOSFET switches. Switching frequencies up to 2MHz can
be programmed with an external resistor and the oscilla-
tor can be synchronized to an external clock. Quiescent
current is only 32A in Burst Mode operation, maximizing
battery life in portable applications. Burst Mode operation
is user controlled and improves efficiency at light loads.
Other features include a 1A shutdown current, internal
soft-start, overtemperature protection and current limit.
The LTC3536 is available in 12-pin thermally enhanced
MSOP and 10-pin (3mm
× 3mm) DFN packages.
Efficiency vs Input Voltage
APPLICATIONS
n
Regulated Output with Input Voltage Above, Below
or Equal to the Output Voltage
n
1.8V to 5.5V Input and Output Voltage Range
n
1A Continuous Output Current for
VIN ≥ 3V, VOUT = 3.3V
n
±1% Output Voltage Accuracy
n
Low Noise Buck-Boost Architecture
n
Up to 95% Efficiency
n
Programmable Frequency from 300kHz to 2MHz
n
Synchronizable Oscillator
n
Burst Mode Operation: 32A IQ
n
Internal 1ms Soft-Start
n
Shutdown Current: 1A
n
Short-Circuit Protection
n
Small Thermally Enhanced 12-Pin MSOP
and 10-Pin (3mm
× 3mm) DFN Packages
n
Wireless Inventory Terminals
n
Handheld Medical Instruments
n
Wireless Locators, Microphones
n
Supercapacitor Backup Power Supply
L
, LT, LTC, LTM, Burst Mode, LTSpice, Linear Technology and the Linear logo are registered
trademarks and PowerPath and No RSENSE are trademarks of Linear Technology Corporation. All
other trademarks are the property of their respective owners.
SW1
VIN
SW2
VOUT
FB
10F
22F
47pF
6.49k
VIN
1.8V TO 5.5V
PWM BURST
VC
LTC3536
4.7H
49.9k
1000k
220pF
MODE/SYNC
SHDN
RT
VOUT
3.3V
1A FOR VIN ≥ 3V
221k
3536 TA01a
PGND SGND
OFF ON
INPUT VOLTAGE (V)
1.5
50
EFFICIENCY
(%)
55
65
70
75
100
85
2.5
3.5
4
3536 TA01b
60
90
95
80
2
3
4.5
5
5.5
ILOAD = 1A
ILOAD = 200mA
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相關代理商/技術參數(shù)
參數(shù)描述
LTC3537 制造商:LINER 制造商全稱:Linear Technology 功能描述:2.2 MHz, 600mA Synchronous Step-Up DC/DC Converter and 100mA LDO
LTC3537EUD#PBF 功能描述:IC REG DL BST/LINEAR SYNC 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標準包裝:2,500 系列:- 拓撲:降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數(shù):5 頻率 - 開關:300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應商設備封裝:* 包裝:*
LTC3537EUD#TRPBF 功能描述:IC REG DL BST/LINEAR SYNC 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標準包裝:2,500 系列:- 拓撲:降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數(shù):5 頻率 - 開關:300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應商設備封裝:* 包裝:*
LTC3537EUD-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:2.2 MHz, 600mA Synchronous Step-Up DC/DC Converter and 100mA LDO
LTC3537EUD-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:2.2 MHz, 600mA Synchronous Step-Up DC/DC Converter and 100mA LDO
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