备用零件
Price @ 1000
$ 0.483
$ 0.562
Stock
854,705
920,255
Authorized Distributors
6
6
Topology
Boost, Flyback
Boost, Flyback
Output Voltage
5 V
5.05 V
Min Input Voltage
8.2 V
8.2 V
Max Input Voltage
30 V
30 V
Max Input Current
-
-
Efficiency
-
-
Max Switching Frequency
500 kHz
500 kHz
Output Voltage Accuracy
-
-
Fault Protection
-
-
Synchronous Rectifier
No
No
Case/Package
DIP
DIP
Number of Pins
8
8
供应链
Country of OriginMainland China
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1980-01-06
Lifecycle StatusProduction (Last Updated: 4 months ago)
描述
由其分销商提供的 STMicroelectronics UC3845BN 的描述。
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8
UC3845 Series 15 V 17 A High Performance Current Mode Controller - PDIP-8
IC, PWM CONTROLLER, 3845, DIP8; Input Voltage: 15V; Output Voltage: 5V; Output Current: 200mA; Supply Voltage Min: 12V; Supply Voltage Max: 25V; Controller IC Case Style: DIP; No. of Pins: 8Pins; Frequency: 250kHz; Operating Tem
Pwm Ctrl, 250Khz, -40 To 150Deg C; Power Supply Controller Type:Single Ended Controller; No. Of Channels:1Channels; Control Mode:Current Mode Control; Supply Voltage Min:12V; Supply Voltage Max:25V; Ic Case/Package:Dip; Msl:- Rohs Compliant: Yes |Stmicroelectronics UC3845BN
制造商别名
STMicroelectronics 在全球拥有多个品牌，分销商可将其用作替代名称。STMicroelectronics 也可称为以下名称：
- ST MICRO
- STM
- SGS
- SGS THOMSON
- INMOS
- STMICROE
- STMICROEL
- STMICR
- ST MIC
- ST MICROELECTRONIC
- SGS THOMPSON
- SESCOSEM
- STMICROELECT
- ST8
- STMICROELECTRON
- WAFERSCALE
- SGS-ATES
- ST MICROELECTRONICS SEMI
- ST/SGS
- ST MICROELECTRO
- SGST
- THOMS
- STMICROELE
- WAFERSCALE INTEGRATION INC
- SGS-Thomson Microelectronics
- ST Microeletronics
技术规格
Physical
Case/PackageDIP
MountThrough Hole
Number of Pins8
Number of Terminals8
Technical
Clock SyncNo
Duty Cycle50 %
Fall Time50 ns
Frequency250 kHz
Max Duty Cycle50 %
Max Frequency500 kHz
Max Input Voltage30 V
Max Operating Temperature70 °C
Max Output Current1 A
Max Power Dissipation1.25 W
Max Supply Current17 mA
Max Supply Voltage25 V
Max Switching Frequency500 kHz
Min Input Voltage8.2 V
Min Operating Temperature0 °C
Min Supply Voltage12 V
Nominal Input Voltage15 V
Number of Channels1
Number of Circuits1
Number of Output Phases1
Number of Outputs1
Output Current1 A
Output Voltage5 V
Power Dissipation1.25 W
Rise Time50 ns
Schedule B8542390000
Switching Frequency500 kHz
Synchronous RectifierNo
Temperature GradeCommercial
Tolerance2 %
TopologyBoost, Flyback
Dimensions
Height3.32 mm
Height - Seated (Max)5.08 mm
Length10.92 mm
Terminal Pitch2.54 mm
Width7.62 mm