备用零件
Price @ 1000
$ 0.646
$ 0.463
$ 0.463
Stock
442,609
524,304
524,304
Authorized Distributors
3
2
2
Topology
Boost, Buck, Buck-Boost, Flyback
Boost, Buck, Buck-Boost, Flyback
Boost, Buck, Buck-Boost, Flyback
Output Voltage
-
-
-
Min Input Voltage
-
-
-
Max Input Voltage
-
-
-
Max Input Current
-
-
-
Efficiency
-
-
-
Max Switching Frequency
-
-
-
Output Voltage Accuracy
-
-
-
Fault Protection
-
-
-
Synchronous Rectifier
-
-
-
Case/Package
SOIC
SOIC
SOIC
Number of Pins
8
8
8
供应链
Lifecycle StatusObsolete (Last Updated: 2 days ago)
Manufacturer Lifecycle StatusOBSOLETE (Last Updated: 2 days ago)
描述
由其分销商提供的 Texas Instruments UC3845AD8 的描述。
TEXAS INSTRUMENTS UC3845AD8PWM Controller, 25V-12V supply, 500 kHz, 5V/200mA out, SOIC-8
30V,1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0°C to 70°C 8-SOIC 0 to 70
Current Mode PWM Controller -0.1V to 11V 1A 500kHz 8-Pin SOIC Tube
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8
Cur Mode Pwm Cont Rohs Compliant: Yes |TEXAS INSTRUMENTS UC3845AD8.
4.9V 7.6V 5V 30V SOIC-8 4.9mm*3.91mm*1.58mm
UC3845 Buck Boost Flyback Forward Converter Tube e4 DC to DC switching controller 50ns 200mA 72.603129mg 5V
IC REG CTRLR MULT TOPOLOGY 8SOIC
PWM Power Supply Controllers Current Mode
UC3845A CURRENT MODE PWM CONTROL
制造商别名
Texas Instruments 在全球拥有多个品牌，分销商可将其用作替代名称。Texas Instruments 也可称为以下名称：
- TI
- TEXAS
- TEXAS INST
- TEXAS INSTR
- TEXAS INSTRUMENT
- TEXAS INSTRUMENTS INC
- TEXAS INS
- TEXAS INSTRU
- TEXAS INSTRUMEN
- TI/NS
- TEX
- Texas Instruments (TI)
- TEXASIN
- TEXAS INSTRUMENTS INCORPORATED
- TEXINS
- TEXAS INTRUMENTS
- TEAXS
- TEXASI
- TEXAS INSTRUM
- TI Texas Instruments
- TEXAS USD
- TEXAS INSRUMENTS
- TEXAS INSRUMENT
- TEXAS INSTUMENTS
- TI-ROHS
- Texas Instr.
- Texas Instruments Inc.
技术规格
Physical
Case/PackageSOIC
Number of Pins8
Weight72.603129 mg
Technical
Duty Cycle50 %
Fall Time50 ns
Frequency500 kHz
Input Current11 mA
Max Duty Cycle50 %
Max Frequency500 kHz
Max Operating Temperature70 °C
Max Supply Voltage30 V
Min Operating Temperature0 °C
Min Supply Voltage12 V
Nominal Input Voltage15 V
Number of Channels1
Number of Outputs1
Output TypeTOTEM POLE
Power Dissipation1 W
Quiescent Current11 mA
Rise Time50 ns
Schedule B8542390000
Switching Frequency500 kHz
TopologyBoost, Buck, Buck-Boost, Flyback
Dimensions
Height1.75 mm
Length4.9 mm
Thickness1.58 mm
Width3.91 mm