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参数资料
| 型号： | LTC3778EF#TR |
| 厂商： | Linear Technology |
| 文件页数： | 24/24页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 20TSSOP |
| 标准包装： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 电源电压： | 4 V ~ 36 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 带卷 (TR) |
| 其它名称： | LTC3778EFTR |
LTC3778
TYPICAL APPLICATIO
12V/5A at 300kHz
C SS
0.1 μ F
LTC3778
D B
CMDSH-3
100k
1
2
3
4
RUN/SS BOOST
V ON TG
SW
PGOOD
SENSE +
V RNG
20
19
18
17
C B
0.22 μ F
M1
L1
10 μ H
V IN
C IN 14V TO 28V
22 μ F
50V
V OUT
12V
5A
C C1
2.2nF
R C
20k
C C2
100pF
5
6
I TH
FCB
SENSE –
PGND
16
15
M2
D1
+
C OUT
220 μ F
16V
7
SGND
BG
14
R1
10k
8
9
I ON
V FB
DRV CC
INTV CC
13
12
C VCC
4.7 μ F
R2
190k
R ON
1.6M
C2
10
EXTV CC
V IN
11
C F
0.1 μ F
R F
1 ?
2200pF
3778 TA01
C IN : UNITED CHEMICON THCR70E1H226ZT
C OUT : SANYO 16SV220M
D1: DIODES, INC B340A
L1: SUMIDA CDRH127-100
M1, M2: FAIRCHILD FDS6680A
RELATED PARTS
ThinSOT Step-Down Controller
PART NUMBER
LTC1622
LTC1625/LTC1775
LTC1628-PG/
LTC1628-SYNC
LTC1709-7
LTC1709-8
LTC1735
LTC1736
LTC1772
LTC1773
LTC1778
LTC1876
LTC3701
LTC3711
LTC3713
LTC3714
LTC3716
DESCRIPTION
550kHz Step-Down Controller
No R SENSE TM Current Mode Synchronous Step-Down Controller
Dual, 2-Phase Synchronous Step-Down Controller
High Efficiency, 2-Phase Synchronous Step-Down Controller
with 5-Bit VID
High Efficiency, 2-Phase Synchronous Step-Down Controller
High Efficiency, Synchronous Step-Down Controller
High Efficiency, Synchronous Step-Down Controller with 5-Bit VID
TM
Synchronous Step-Down Controller
Wide Operating Range, No R SENSE Step-Down Controller
2-Phase, Dual Synchronous Step-Down Controller with
Step-Up Regulator
Dual, 2-Phase Step-Down Controller
5-Bit Adjustable, No R SENSE Step-Down Controller
Very Low V IN , High Current Step-Down Synchronous Controller
Intel Compatible, Wide Operating Range, No R SENSE Step-Down
Controller with Internal Op Amp
High Efficiency, 2-Phase Synchronous Step-Down Controller
COMMENTS
8-Pin MSOP; Synchronizable; Soft-Start; Current Mode
97% Efficiency; No Sense Resistor; 16-Pin SSOP
Minimum Input/Output Capacitors; 3.5V ≤ V IN ≤ 36V;
Power Good Output; Synchronizable 150kHz to 300kHz
Up to 42A Output; 0.925V ≤ V OUT ≤ 2V
Up to 42A Output; VRM 8.4; 1.3V ≤ V OUT ≤ 3.5V
Burst Mode TM Operation; 16-Pin Narrow SSOP;
3.5V ≤ V IN ≤ 36V
Mobile VID; 0.925V ≤ V OUT ≤ 2V; 3.5V ≤ V IN ≤ 36V
Current Mode; 550kHz; Very Small Solution Size
Up to 95% Efficiency, 550kHz, 2.65V ≤ V IN ≤ 8.5V,
0.8V ≤ V OUT ≤ V IN , Synchronizable to 750kHz
GN16-Pin, 0.8V FB Reference
3.5V ≤ V IN ≤ 36V, Power Good Output, 300kHz Operation
Current Mode; 300kHz to 750kHz; Small 16-Pin SSOP,
2.5V ≤ V IN ≤ 9.8V
0.925V ≤ V OUT ≤ 2V; Mobile VIC Code
1.5V ≤ V IN , I OUT ≤ 20A, Generates its own 5V Gate Drive,
Uses Standard N-Channel MOSFETs
G28 Package, V OUT = 0.6V to 1.75V 5-Bit Mobile VID,
Active Voltage Positioning I MVP2 , V IN to 36V
V OUT = 0.6V to 1.75V, Active Voltage Positioning I MVP2 ,
24 Linear Technology Corporation
(408) 432-1900 q FAX: (408) 434-0507 www.linear.com
with 5-Bit Mobile VID
Burst Mode and ThinSOT are trademarks of Linear Technology Corporation.
1630 McCarthy Blvd., Milpitas, CA 95035-7417
q
V IN to 36V
3778f
LT/TP 0702 2K ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2001
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3780EG | 制造商:Linear Technology 功能描述:DC DC Cntrlr Dual-OUT Synchronous Boost/Buck Controller 4V to 36V Input 24-Pin SSOP |
| LTC3780EG#PBF | 功能描述:IC REG CTRLR BST PWM CM 24-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR |
| LTC3780EG#TR | 制造商:Linear Technology 功能描述:DC DC Cntrlr Dual-OUT Synchronous Boost/Buck Controller 4V to 36V Input 24-Pin SSOP T/R |
| LTC3780EG#TRPBF | 功能描述:IC REG CTRLR BST PWM CM 24-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX |
| LTC3780EGPBF | 制造商:Linear Technology 功能描述:4-Switch Buck-Boost Controller SSOP24 |
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