价格与库存
| Distributor | SKU | Min | Pkg | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Verical | UC3845BD1 | 5,782 | 489 | |||||||||
| Rochester Electronics | UC3845BD1 | 5,782 | 4h | |||||||||
| Microchip USA | UC3845BD1 | 358 | 3K | Tube | 7d | |||||||
| Win Source | WS-UC3845BD1 | 1,650 | 125 | 5h | ||||||||
| Heisener Electronics | UC3845BD1 | 5,775 | >1wk |
备用零件
Price @ 1000
$ 0.574
$ 0.291
$ 0.291
Stock
110,487
2,893,918
2,893,918
Authorized Distributors
2
6
6
Topology
Boost, Flyback
Boost, Flyback
Boost, Flyback
Output Voltage
5.1 V
-
-
Min Input Voltage
8.2 V
12 V
12 V
Max Input Voltage
25 V
25 V
25 V
Max Input Current
-
-
-
Efficiency
-
-
-
Max Switching Frequency
275 kHz
275 kHz
275 kHz
Output Voltage Accuracy
-
-
-
Fault Protection
-
-
-
Synchronous Rectifier
-
-
-
Case/Package
SOP
SOP
SOP
Number of Pins
8
8
8
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 Date2009-07-31
LTD Date2010-01-31
相关零件
Texas InstrumentsTPS54331DDAR
3.5V to 28V Input, 3A, 570kHz Step-Down Converter with Eco-mode 8-SO PowerPAD -40 to 150
描述
由其分销商提供的 onsemi UC3845BD1 的描述。
CURRENT-MODE BIPOLAR DUAL Surface Mount DC-DC Controller IC 0C~70C TA 500kHz 25V 4.9mm
HIGH PERFORMANCE CURRENT MODE CONTROLLERS | IC REG CTRLR BOOST/FLYBACK 8SOIC
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8
Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Rail
Off-Line Controllers 52kHz 1A Current PWM No-Cancel/No-Return
CURRENT MODE PWM CNTRLR 1A 8SOIC N
IC REG CTRLR BOOST/FLYBACK 8SOIC
UC3845 CURRENT MODE PWM CONTROLLER;
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
Number of Pins8
Number of Terminals8
Technical
Duty Cycle50 %
Fall Time50 ns
Frequency275 kHz
Max Duty Cycle48 %
Max Frequency275 kHz
Max Input Voltage25 V
Max Operating Temperature70 °C
Max Output Current1 A
Max Supply Current17 mA
Max Switching Frequency275 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
Operating Supply Voltage30 V
Output Current1 A
Output Voltage5.1 V
Quiescent Current12 mA
Rise Time50 ns
Switching Frequency500 kHz
Temperature GradeCommercial
TopologyBoost, Flyback
Dimensions
Height - Seated (Max)1.75 mm
Length4.9 mm
Terminal Pitch1.27 mm
Width3.9 mm