參數(shù)資料
型號： LTC3731
廠商： Linear Technology Corporation
英文描述： 2-Phase Step-Up DC/DC Controller
中文描述： 2相升壓型DC / DC控制器
文件頁數(shù)： 16/16頁
文件大小： 200K
代理商： LTC3731
LT3782
16
3782fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2004
LT/LT 0705 REV A PRINTED IN USA
RELATED PARTS
PART NUMBER
LT
1619
LTC1624
DESCRIPTION
Current Mode PWM Controller
Current Mode DC/DC Controller
COMMENTS
300kHz Fixed Frequency, Boost, SEPIC, Flyback Topology
SO-8; 300kHz Operating Frequency; Buck, Boost, SEPIC Design;
V
IN
Up to 36V
0.8V
≤
V
IN
≤
24V,
±
2% Overvoltage Threshold Accuracy,
ThinSOT Package
Up to 95% Efficiency, Operation as Low as 0.9V Input
No R
SENSE
, 7V Gate Drive, Current Mode Control
Up to 34V Output, 2.6V
≤
V
IN
≤
16V, Miniature Design
High Efficiency, 25W to 500W, Wide Input Range, Adaptive
Duty Cycle Clamp
0.5V
≤
V
IN
≤
4.5V, 2.4V
≤
V
OUT
≤
5.25V, Very Low Output Ripple
High Efficiency Synchronous Operation, High Voltage Operation,
No Transformer Required
Dual 180
°
Phased Controllers, V
IN
: 3.5V to 35V, 99% Duty Cycle,
5x5QFN, SSOP-28 Packages
LTC1696
Overvoltage Protection Controller
LTC1700
LTC1871/LTC1871-7
LT1930
LT1952
No R
SENSE
Synchronous Step-Up Controller
Wide Input Range Controller
1.2MHz, SOT-23 Boost Converter
Single Switch Synchronous Forward Controller
LTC3425
LTC3703/LTC3703-5
5A, 8MHz 4-Phase Monolithic Step-Up DC/DC Converter
100V and 60V, Step-Down and Step-Up DC/DC
Synchronous Controller
Dual, 550kHz, 2-Phase Synchronous Step-Down
Controller
20A to 200A, 550kHz PolyPhase Synchronous Controller Expandable from 2-Phase to 12-Phase, Uses all Surface Mount
Components, V
IN
up to 36V
3- to 12-Phase Step-Down Synchronous Controller
60A to 240A Output Current, 0.6V
≤
V
OUT
≤
6V, 4.5V
≤
V
IN
≤
32V
SOT-23 Flyback Controller
Adjustable Slope Compensation, Internal Soft-Start, Current
Mode 200kHz Operation
Synchronous Flyback Controller
High Efficiency, Improves Cross Regulation in Multiple Output
Designs, Current Mode, 3mm
×
4mm 12 Pin DFN Package
No R
SENSE
and PolyPhase are trademarks of Linear Technology Corporation.
LTC3728
LTC3729
LTC3731
LTC3803
LTC3806
TYPICAL APPLICATIO S
10
CS2
C
330
μ
F, 35V, 2x
+
BAS516
27
26
25
24
23
22
21
20
19
18
17
16
15
28
2
3
4
5
6
7
8
9
10
11
12
13
14
1
10
CS1
59k
82k
274k
825k
2R2
24.9k
261k
R
C1
15k
10nF
C
INA
22
μ
F
C
INB
22
μ
F
4.7nF
C
100pF
C
4.7nF
2.2
μ
F
C
10
μ
F, 50V, 4x
10nF
BAS516
1
μ
F
3782 TA03
V
0V TO 28V*
V
0V TO 28V*
Q1
PH4840S
Q2
PH4840S
OUTPUT
28V
4A (8A**)
NOTE:
*INPUT VOLTAGE RANGE FOR VINA AND VINB IS 0V TO 28V.
AT LEAST ONE OF THE INPUTS MUST BE 12V OR HIGHER.
L1, L2: PULSE PB2020-103
ALL CERAMIC CAPACITORS ARE X7R, TDK
**OUTPUT CURRENT WITH BOTH INPUTS 12V OR HIGHER
L1
10
μ
H
D1
UPS840
L2
10
μ
H
D2
UPS840
CS1
CS2
0.004
0.004
LT3782
V
CC
NC
NC
V
EE1
BGATE1
GBIAS1
GBIAS2
BGATE2
V
EE2
NC
RUN
FB
V
C
GBIAS
SGATE2
NC
GND
SYNC
DELAY
DCL
SENSE1
+
SENSE1
–
SLOPE
R
SET
SENSE2
–
SENSE2
+
SS
SGATE1
28V Output Base Station Power Converter with Redundant Input
相關(guān)PDF資料
PDF描述
LTC3731CG 16-Bit Edge-Triggered D-Type Flip-Flop With 3-State Outputs 48-SSOP -40 to 85
LTC3731CUH 16-Bit Edge-Triggered D-Type Flip-Flop With 3-State Outputs 48-SSOP -40 to 85
LTC3731IG 3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller
LTC3731IUH 3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller
LTC3731H 3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3731CG 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:否 類別: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:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LTC3731CG#PBF 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:是 類別: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 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-5°C ~ 125°C 封裝/外殼:32-WFQFN 裸露焊盤 包裝:Digi-Reel® 產(chǎn)品目錄頁面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR
LTC3731CG#TR 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:否 類別: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:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LTC3731CG#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:是 類別: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:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LTC3731CUH 功能描述:IC REG CTRLR BUCK PWM CM 32-QFN RoHS:否 類別: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:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
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