參數(shù)資料
型號(hào): LTC3850EUF
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: 0.1 A DUAL SWITCHING CONTROLLER, 860 kHz SWITCHING FREQ-MAX, PQCC28
封裝: 4 X 4 MM, PLASTIC, QFN-28
文件頁(yè)數(shù): 26/32頁(yè)
文件大小: 474K
代理商: LTC3850EUF
LTC3850
32
3850f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2007
LT 0607 PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION
COMMENTS
LTC1625/
LTC1775
No RSENSE
TM Current Mode Synchronous Step-Down Controllers 97% Efciency, No Sense Resistor, 16-Pin SSOP
LTC1708-PG
2-Phase, Dual Synchronous Controller with Mobile VID
3.5V ≤ VIN ≤ 36V, VID Sets VOUT1, PGOOD
LTC1735
High Efciency Synchronous Step-Down Switching Regulator
Output Fault Protection, 16-Pin SSOP
LTC1778
No RSENSE Wide Input Range Synchronous Step-Down
Controller
Up to 97% Efciency, 4V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ (0.9)(VIN),
IOUT Up to 20A
LTC3727A-1
Dual, 2-Phase Synchronous Controller
Very Low Dropout; VOUT ≤ 14V, 4V ≤ VIN ≤ 36V
LTC3728
2-Phase 550kHz, Dual Synchronous Step-Down Controller
QFN and SSOP Packages, High Frequency for Smaller L and C
LTC3729
20A to 200A PolyPhase Synchronous Controllers
Expandable from 2-Phase to 12-Phase, Uses All Surface Mount
Components
LTC3731
3-Phase, Single Output From 250kHz to 600kHz Synchronous
Step-Down Controller
0.6V ≤ VOUT ≤ 6V, 4.5V ≤ VIN ≤ 32V, IOUT ≤ 60A,
Integrated MOSFET Drivers
LTC3773
Triple Output DC/DC Synchronous Controller
3-Phase Step-Down DC/DC Controller,
3.3V ≤ VIN ≤ 36V, Fixed Frequency 160kHz to 700kHz
LTC3827
Low IQ, Dual, 2-Phase Synchronous Step-Down Controller
80A IQ, 0.8V ≤ VOUT ≤ 10V, 4V ≤ VIN ≤ 36V
LTC3828
Dual, 2-Phase Synchronous Step-Down Controller with Tracking
Up to Six Phases, 0.8V ≤ VOUT ≤ 7V, 4.5V ≤ VIN ≤ 28V
LTC3835/
LTC3835-1
Low IQ, Synchronous Step-Down Controller
80A IQ, 0.8V ≤ VOUT ≤ 10V, 4V ≤ VIN ≤ 36V
LT3845
Low IQ, High Voltage Single Output Synchronous Step-Down
DC/DC Controller
1.23V ≤ VOUT ≤ 36V, 4V ≤ VIN ≤ 60V, 120A IQ
PolyPhase is a registered trademark of Linear Technology Corporation. No RSENSE is a trademark of Linear Technology Corporation.
C4
1000pF
C2
0.01
F
TK/SS1
ITH1
VFB1
VFB2
ITH2
TK/SS2
SENSE2
BOOST1
BG1
VIN
INTVCC
BG2
PGND
BOOST2
SENSE1+ RUN1 FREQ/
PLLFLTR
MODE/
PLLIN
SW1 TG1
SENSE1
PGOOD
C1
1000pF
M4
RJK0301DPB
D2
B34OLA
M3
HAT2168H
R9
10
R10
10
R5
10k
PLLIN
750kHz
R1
63.4k
RVIN
2.2
C6
200pF
C7
2000pF
CB1
0.1
F
D3
CMDSH-3
M2
RJK0301DPB
M1
HAT2168H
D1
B34OLA
D4
CMDSH-3
CVCC
4.7
F
CVIN
0.1
F
CB2
0.1
F
R20
10
C10
33pF
L1
0.68
H
VOUT
3.3V/25A
C5
1000pF
R22
10
RPG
100k
R2
20k
R12
2.5k
CSS
0.1
F
LTC3850
3850
TA04
SENSE2+
RUN2
SGND
ILIM
SW2 TG2
EXTVCC PGOOD
COUT1
330
F
2X
COUT2
330
F
2X
L1, L2: SUMIDA CEP125-OR6MC
COUT1, COUT2: SANYO 6TPD330M
* FOR VIN = 5V ± 0.5V, TIE VIN
AND INTVCC PINS TOGETHER.
PGND
GND
CVIN2
180
F
VIN*
6V TO 14V
CVIN1
180
F
RSENSE1
0.003
RSENSE2
0.003
L2
0.68
H
+
3.3V/25A Synchronized at 750kHz
相關(guān)PDF資料
PDF描述
LTC3850EUF#TR 0.1 A DUAL SWITCHING CONTROLLER, 860 kHz SWITCHING FREQ-MAX, PQCC28
LTC3851AHMSE#PBF SWITCHING REGULATOR, PDSO16
LTC3851AMPMSE#PBF SWITCHING REGULATOR, PDSO16
LTC3851AIGN#TRPBF SWITCHING REGULATOR, PDSO16
LTC3851AHMSE#TRPBF SWITCHING REGULATOR, PDSO16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3850EUF#PBF 功能描述:IC REG CTRLR BUCK PWM CM 28-QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 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(pán) 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:1303 (CN2011-ZH PDF) 其它名稱(chēng):LM3754SQDKR
LTC3850EUF#PBF 制造商:Linear Technology 功能描述:IC SYNC STEP-DOWN CONTROLLER QFN-28
LTC3850EUF#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 28-QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 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(pán) 包裝:帶卷 (TR)
LTC3850EUFD#PBF 功能描述:IC REG CTRLR BUCK PWM CM 28-QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 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(pán) 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:1303 (CN2011-ZH PDF) 其它名稱(chēng):LM3754SQDKR
LTC3850EUFD#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 28-QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 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(pán) 包裝:帶卷 (TR)