参数资料
型号: LTC3805EMSE
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO10
封装: PLASTIC, MSOP-10
文件页数: 13/20页
文件大小: 260K
代理商: LTC3805EMSE
LTC3805
0
3805fe
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 l FAX: (408) 434-0507 l www.linear.com
LINEAR TECHNOLOGY CORPORATION 2006
LT 0410 REV E PRINTED IN USA
relateD parts
typical application
R20
118k
R19
3.01k
C17
10F
NOTE: CAN ALSO USE NPN PREREGULATOR AS SHOWN IN FIGURE 9
C01
100F
6.3V
R12
42.2k
C18
330pF
C23, 0.1F
D1
UPS840
D4
BAS516
Q1
FDC2512
T1
PA1861NL
VIN
VCC
R16, 1.33k
R8
8.66k
R5
221k
11
5
4
3
2
1
6
7
8
5
1
4
2
3
10
8
7
9
10
R6
220
C16
150pF
200V
3805 TA03a
CIN1
2.2F
100V
VIN+
36V TO 72V
VIN
U1
LTC3805EMSE
ITH
GND
SSFLT
RUN
GATE
OC
ISENSE
SYNC
FS
FB
VCC
C02
100F
6.3V
C03
100F
6.3V
RCS
0.068
VOUT+
3.3V
3A
VOUT
+VOUT
C26
470pF
C25
100pF
R24
20k
R30
51
R14
13.7k
R23
100k
CIN2
2.2F
100V
Figure 10. Low Power Nonisolated Telecom Supply with Trickle Charger
LOAD CURRENT (A)
0.01
0
EFFICIENCY
(%)
POWER
LOSS
(W)
20
30
40
50
60
70
0.1
1
3805 TA03b
80
90
100
0
1
10
36V
48V
60V
72V
VIN
Efficiency and Power Loss
vs Load Current and VIN; VO = 3.3V
PART NUMBER
DESCRIPTION
COMMENTS
LT3573
Isolated Flyback Switching Regulator with 60V
Integrated Switch
3V ≤ VIN ≤ 40V, No Opto-Isolator or “Third Winding” Required,
MSOP-16E Package
LTC3803/LTC3803-3
LTC3803-5
Flyback DC/DC Controller with Fixed 200kHz or
300kHz Operating Frequency
VIN and VOUT Limited Only By External Components, 6-Pin ThinSOT
Package
LTC3873/LTC3873-5
No RSENSE Constant Frequency Flyback, Boost,
SEPIC Controller
VIN and VOUT Limited Only By External Components, 8-Pin ThinSOT or
(2mm
× 3mm) DFN-8 Packages
LT3757
Boost, Flyback, SEPIC and Inverting Controller
2.9V ≤ VIN ≤ 40V, 100kHz to 1MHz Programmable Operating Frequency,
(3mm
× 3mm) DFN-10 and MSOP-10E Packages
LT3758
Boost, Flyback, SEPIC and Inverting Controller
5.5V ≤ VIN ≤ 100V, 100kHz to 1MHz Programmable Operating Frequency,
(3mm
× 3mm) DFN-10 and MSOP-10E Packages
LTC1871/LTC1871-1
LTC1871-7
Wide Input Range, No RSENSE Low Quiescent Current
Flyback, Boost and SEPIC Controller
Programmable Operating Frequency, 2.5V ≤ VIN ≤ 36V, Burst Mode
Operation at Light Loads, MSOP-10 Package
相关PDF资料
PDF描述
LTC3805HMSE#TR SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO10
LTC3805EDD#TR SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO10
LTC3805EMSE#TR SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO10
LTC3805IDD#TRPBF SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO10
LTC3805HMSE#TRPBF SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO10
相关代理商/技术参数
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LTC3805EMSE#TRPBF 功能描述:IC REG CTRLR BST FLYBK CM 10MSOP 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:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 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:24-WQFN 裸露焊盘 包装:带卷 (TR)
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LTC3805EMSE-5#PBF 制造商:Linear Technology 功能描述:IC, FLYBACK/ BOOST/SEPIC CTRL, MSOP-10
LTC3805EMSE-5#TRPBF 功能描述:IC REG CTRLR BST FLYBK CM 10MSOP 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:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 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:24-WQFN 裸露焊盘 包装:带卷 (TR)