STMicroelectronics UC3845BN

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8
Production

Price and Stock

Authorized Distributors
Non-Authorized Stocking Distributors
Non-Authorized Dealers

Technical Specifications

Physical
Case/PackageDIP
MountThrough Hole
Number of Pins8
Technical
Clock SyncNo
Duty Cycle50 %
Fall Time50 ns
Frequency250 kHz
Max Duty Cycle50 %
Max Frequency500 kHz
Max Input Voltage30 V
Max Operating Temperature150 °C
Max Power Dissipation1.25 W
Max Supply Current17 mA
Max Supply Voltage25 V
Max Switching Frequency500 kHz
Min Input Voltage8.2 V
Min Operating Temperature-40 °C
Min Supply Voltage12 V
Nominal Input Voltage15 V
Number of Channels1
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
Tolerance2 %
TopologyBoost, Flyback
Dimensions
Height3.32 mm
Length10.92 mm
Width6.6 mm

Documents

Download datasheets and manufacturer documentation for STMicroelectronics UC3845BN.

SHENGYU ELECTRONICS
Datasheet15 pages25 years ago
Components Direct
Datasheet15 pages25 years ago
Future Electronics
Datasheet15 pages25 years ago
TME
Datasheet15 pages25 years ago
iiiC
Datasheet15 pages25 years ago
Farnell
Datasheet15 pages25 years ago

Inventory History

3 month trend:
-49.22%

Alternate Parts

Price @ 1000
$ 0.421
$ 0.529
Stock
539,220
616,763
Authorized Distributors
8
8
Case/Package
DIP
PDIP
Number of Pins
8
8
Max Output Current
-
-
Min Input Voltage
8.2 V
8.2 V
Max Input Voltage
30 V
30 V
Min Output Voltage
-
-
Max Output Voltage
-
-
Number of Outputs
1
1

Supply Chain

Lifecycle StatusProduction (Last Updated: 3 years ago)

Engineering Resources

View Evaluation kits and Reference designs for STMicroelectronics UC3845BN.

Related Parts

Descriptions

Descriptions of STMicroelectronics UC3845BN provided by its distributors.

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8
UC3845 Series 15 V 17 A High Performance Current Mode Controller - PDIP-8
Current Mode PWM Controller 1A 500kHz 8-Pin Mini-PDIP Tube
Pwm Ctrl, 250Khz, -40 To 150Deg C; 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; Product Range:- Rohs Compliant: Yes |Stmicroelectronics UC3845BN

Manufacturer Aliases

STMicroelectronics has several brands around the world that distributors may use as alternate names. STMicroelectronics may also be known as the following names:

  • 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

Part Number Aliases

This part may be known by these alternate part numbers:

  • UC3845BN.

Technical Specifications

Physical
Case/PackageDIP
MountThrough Hole
Number of Pins8
Technical
Clock SyncNo
Duty Cycle50 %
Fall Time50 ns
Frequency250 kHz
Max Duty Cycle50 %
Max Frequency500 kHz
Max Input Voltage30 V
Max Operating Temperature150 °C
Max Power Dissipation1.25 W
Max Supply Current17 mA
Max Supply Voltage25 V
Max Switching Frequency500 kHz
Min Input Voltage8.2 V
Min Operating Temperature-40 °C
Min Supply Voltage12 V
Nominal Input Voltage15 V
Number of Channels1
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
Tolerance2 %
TopologyBoost, Flyback
Dimensions
Height3.32 mm
Length10.92 mm
Width6.6 mm

Documents

Download datasheets and manufacturer documentation for STMicroelectronics UC3845BN.

SHENGYU ELECTRONICS
Datasheet15 pages25 years ago
Components Direct
Datasheet15 pages25 years ago
Future Electronics
Datasheet15 pages25 years ago
TME
Datasheet15 pages25 years ago
iiiC
Datasheet15 pages25 years ago
Farnell
Datasheet15 pages25 years ago

Compliance

Environmental Classification
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCNo SVHC
RoHSCompliant