参数资料
型号: LTC3873ETS8-5#TRMPBF
厂商: Linear Technology
文件页数: 16/16页
文件大小: 0K
描述: IC REG CTRLR BST FLYBK TSOT23-8
标准包装: 500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 240kHz
占空比: 84%
电源电压: 4 V ~ 75 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: SOT-23-8 薄型,TSOT-23-8
包装: 带卷 (TR)
LTC3873-5
TYPICAL APPLICATION
5V Output Nonisolated Telecom Housekeeping Power Supply
V IN
36V TO 72V
UPS840
V OUT
5V
4.7μF
100V
X5R
221k
D1
?
T1
300μF
6.3V
X5R
2A MAX
5.1V
10μF
V CC
?
3
I TH
NGATE
FDC2512
56k
LTC3873-5
RUN/SS
2.2nF
0.1μF
GND
IPRG
SW
68mΩ
V FB
12k
36k
38735 TA03
D1: MBR0540T1
T1: COOPER CTX02-15242
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LT 1619
PART NUMBER
?
LTC1624
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LTC1871-7
LTC1872/LTC1872B
LT1930
LT1931
LTC3401/LTC3402
LTC3704
LTC1871/LTC1871-7
LTC3703/LTC3703-5
LTC3803/LTC3803-5
LTC3805
LT3825
LT3837
LTC3873
DESCRIPTION
Current Mode PWM Controller
Current Mode DC/DC Controller
No R SENSE Synchronous Step-Up Controller
Wide Input Range Controller
SOT-23 Boost Controller
1.2MHz, SOT-23 Boost Converter
Inverting 1.2MHz, SOT-23 Converter
1A/2A 3MHz Synchronous Boost Converters
Positive-to Negative DC/DC Controller
No R SENSE , Wide Input Range DC/DC Boost Controller
100V Synchronous Controller
200kHz Flyback DC/DC Controller
Adjustable Frequency Flyback Controller
Isolated No-Opto Synchronous Flyback Controller
Isolated No-Opto Synchronous Flyback Controller
No R SENSE Constant Frequency Boost/Flyback/SEPIC
Controller
COMMENTS
300kHz Fixed Frequency, Boost, SEPIC, Flyback Topology
SO-8; 300kHz Operating Frequency; Buck, Boost, SEPIC Design;
V IN Up to 36V
Up to 95% Ef?ciency, Operating as Low as 0.9V Input
No R SENSE , 7V Gate Drive, Current Mode Control
Delievers Up to 5A, 550kHz Fixed Frequency, Current Mode
Up to 34V Output, 2.6V V IN 16V, Miniature Design
Positive-to Negative DC/DC Conversion, Miniature Design
Up to 97% Ef?ciency, Very Small Solution, 0.5V ≤ V IN ≤ 5V
No R SENSE , Current Mode Control, 50kHz to 1MHz
No R SENSE , Current Mode Control, 2.5V ≤ V IN ≤ 36V
Step-Up or Step Down, 600kHz, SSOP-16, SSOP-28
V IN and V OUT Limited Only by External Components
V IN and V OUT Limited Only by External Components
V IN : 24V to 75V, Up to 80W, Current Mode Control
V IN : 4.5V to 20V, Up to 60W, Current Mode Control
V IN and V OUT Limited Only by External Components, 200kHz Frequency,
ThinSOT or DFN Package
38735fb
16 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417
LT 0908 REV B ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2007
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LTC3873IDDB-5#TRMPBF 功能描述:IC REG CTRLR BST FLYBK PWM 8-DFN 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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LTC3873ITS8-5#PBF 制造商:Linear Technology 功能描述:DP-SWREG/Isolated, Cut Tape No Rsense Constant Frequency Current Mode Boost/Flyb
LTC3873ITS8-5#TRMPBF 功能描述:IC REG CTRLR BST FLYBK TSOT23-8 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)