參數(shù)資料
型號(hào)： LT3845AMPFE#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 4.40 MM, LEAD FREE, PLASTIC, TSSOP-16
文件頁(yè)數(shù)： 19/26頁(yè)
文件大小： 284K
代理商： LT3845AMPFE#PBF
LT3845A
26
3845afa
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
”
LINEAR TECHNOLOGY CORPORATION 2010
LT 1110 PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER
DESCRIPTION
COMMENTS
LT3800
60V, Low IQ, Single Output Synchronous Step-Down
DC/DC Controller
Fixed 200kHz Operating Frequency
4V≤ VIN ≤ 60V, 1.23V ≤ VOUT ≤ 36V, IQ = 120A, TSSOP-16
LTC3844
60V, Low IQ, Single Output Step-Down DC/DC Controller
Synchronizable Fixed Frequency 50kHz to 600kHz,
4V ≤ VIN ≤ 60V, 1.23V ≤ VOUT ≤ 36V, IQ = 120A, TSSOP-16
LT3724
60V, Low IQ, DC/DC Controller Multi Topology
Fixed 200kHz Operating Frequency
4V ≤ VIN ≤ 60V, 1.23 ≤ VOUT ≤ 36V, IQ = 100A, TSSOP-16
LT3741
High Power, Constant Current, Constant Voltage,
Synchronous, Step Down Controller
Adjustable Fixed Frequency 200kHz to 1MHz
6V ≤ VIN ≤ 36V, VOUT Up to (VIN –2)
LTC3824
60V, Low IQ, Step-Down DC/DC Controller,
100% Duty Cycle
Selectable Fixed Frequency 200kHz to 600kHz
4V≤ VIN ≤ 60V, 0.8V ≤ VOUT ≤ VIN, IQ = 40A, MSOP-10E
LTC3834/LTC3834-1
LTC3835/LTC3835-1
Low IQ, Single Output Synchronous Step-Down DC/DC
Controller with 99% Duty Cycle
Phase-Lockable Fixed Frequency 140kHz to 650kHz,
4V≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ 10V, IQ = 30A/80A
LTC3890
60V, Low IQ, Dual 2-Phase Synchronous Step-Down
DC/DC Controller
Phase-Lockable Fixed Frequency 50kHz to 900kHz
4V ≤ VIN ≤ 60V, 0.8V ≤ VOUT ≤ 24V, IQ = 50A
LTC3857/LTC3857-1
LTC3858/LTC3858-1
Low IQ, Dual Output 2-Phase Synchronous Step-Down
DC/DC Controllers with 99% Duty Cycle
Phase-Lockable Fixed Frequency 50kHz to 900kHz,
4V≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 24V, IQ = 50A/170A
LTC3859
Low IQ, Triple Output Buck/Buck/Boost Synchronous
DC/DC Controller
All Outputs Remain in Regulation Through Cold Crank
2.5V≤ VIN ≤ 38V, VOUT(BUCKS) Up to 24V,
VOUT(BOOST) Up to 60V, IQ = 55A
9V-16V to 3.3V at 5A DC/DC Converter, Frequency Synchronization Range 150kHz to 300kHz,
Capable of Withstanding 60V Transients, All Ceramic Capacitors, Soft-Start and Burst Mode Enabled
VIN
SHDN
CSS
BURST_EN
VFB
VC
SYNC
fSET
BOOST
TG
SW
VCC
BG
PGND
SENSE+
SENSE–
SGND
D2 BAS521
C5
1F
16V
C3
8200pF
M1
Si7850DP
M2
Si7850DP
D1
B160
L1
10H
RSENSE
0.01
LT3845A
C4
2.2F
16V
3845A TA04
C2
5600pF
C1
100pF
COUT
100F
6.3V
×4
VOUT
3.3V
5A
R3
1.1M
VIN
9V TO 16V
60V TRANSIENTS
CIN2
0.1F
100V
R6
130k
SYNC
R4
10k
R5
100k
R1
10k
R2
16.8k
CIN
2.2F
100V
×4
CIN: TDK C4532X7R2A225K
COUT: MURATA GRM32ER60J107ME20
L1: VISHAY IHLP-5050FD-01
M1, M2: VISHAY Si7850DP
相關(guān)PDF資料
PDF描述
LT3845EFE#TR SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO16
LT3956IUHE#TRPBF SWITCHING REGULATOR, PQCC36
LT3957EUHE#TRPBF SWITCHING REGULATOR, PQCC36
LT3957IUHE#PBF SWITCHING REGULATOR, PQCC36
LT3958IUHE#PBF SWITCHING REGULATOR, PQCC36
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT3845EFE 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Voltage Synchronous Current Mode Step-Down Controller with Adjustable Operating Frequency
LT3845EFE#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 特色產(chǎn)品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 標(biāo)準(zhǔn)包裝:1 系列:PowerWise® PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.5 V ~ 18 V 降壓:是 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-5°C ~ 125°C 封裝/外殼:32-WFQFN 裸露焊盤 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR
LT3845EFE#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 16TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
LT3845EFEPBF 制造商:Linear Technology 功能描述:60V Current-Mode Controller Adj. TSSOP16
LT3845EFE-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Voltage Synchronous Current Mode Step-Down Controller with Adjustable Operating Frequency
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