备用零件
此零件
备用零件
Price @ 1000
$ 0.904
$ 0.971
Stock
129,938
137,403
Authorized Distributors
2
2
Topology
Boost, Flyback
Boost, Flyback
Output Voltage
5.1 V
5.05 V
Min Input Voltage
8.2 V
8.2 V
Max Input Voltage
25 V
25 V
Max Input Current
-
-
Efficiency
-
-
Max Switching Frequency
500 kHz
500 kHz
Output Voltage Accuracy
-
-
Fault Protection
-
-
Synchronous Rectifier
-
-
Case/Package
SOP
SOP
Number of Pins
14
-
供应链
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1993-01-01
Lifecycle StatusObsolete (Last Updated: 4 months ago)
LTB Date2006-06-30
LTD Date2006-12-31
描述
由其分销商提供的 onsemi UC3845D 的描述。
CURRENT-MODE BIPOLAR DUAL Surface Mount DC-DC Controller IC 45ns 0C~70C TA 500kHz 5.1V
CURRENT MODE PWM CONTROLLER Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14
12V~28V SOP-14 AC-DC Controllers & Regulators ROHS
Supervisory Circuits PWM Control IC
制造商别名
onsemi 在全球拥有多个品牌，分销商可将其用作替代名称。onsemi 也可称为以下名称：
- ON Semiconductor
- ONS
- ONSEMICON
- ON SEM
- ON SEMICONDUCTO
- ON SEMICONDUCTORS
- ONSEMIC
- ON Semicondu
- OSC
- ONSE
- ON SEMICOND
- ON Semiconductor / Fairchild
- SCG
- ON Semiconductor Cor
- ON SEMICO
- ONSM
- ON SEMICONDUCTOR CORP
- onsemi / Fairchild
- MOT/ON SEMI
- Fairchild/ONSemiconductor
- ON Semiconductor Corporation
- ON4
- ON Semi - ON Semiconductor
- ON SEMICONDUCT
- ON-SEMI SCG
- ON Semiconductor Inc.
- onsemiconductor
- On Semiconductor Ltd
技术规格
Physical
Case/PackageSOP
MountSurface Mount
Number of Pins14
Number of Terminals14
Technical
Duty Cycle50 %
Fall Time35 ns
Max Duty Cycle50 %
Max Frequency500 kHz
Max Input Voltage25 V
Max Operating Temperature70 °C
Max Output Current1 A
Max Supply Current17 mA
Max Supply Voltage30 V
Max Switching Frequency500 kHz
Min Input Voltage8.2 V
Min Operating Temperature0 °C
Nominal Input Voltage15 V
Nominal Output Voltage2.5 V
Number of Circuits1
Number of Outputs1
Output Current1 A
Output Voltage5.1 V
Rise Time45 ns
Switching Frequency500 kHz
Temperature GradeCommercial
TopologyBoost, Flyback
Dimensions
Height - Seated (Max)1.75 mm
Length8.56 mm
Terminal Pitch1.27 mm
Width3.9 mm