onsemi UC3845N
$ 0.971
Obsolete
Inventory History
3 month trend: +0.00%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 0.971
$ 0.783
$ 0.783
Stock
262,619
384,677
384,677
Authorized Distributors
1
5
5
Topology
-
Boost, Buck, Buck-Boost, Flyback
Boost, Buck, Buck-Boost, Flyback
Output Voltage
5.1 V
-
-
Min Input Voltage
8.2 V
-
-
Max Input Voltage
25 V
25 V
25 V
Max Input Current
-
-
-
Efficiency
-
-
-
Max Switching Frequency
500 kHz
-
-
Output Voltage Accuracy
-
-
-
Fault Protection
-
-
-
Synchronous Rectifier
-
-
-
Case/Package
DIP
PDIP
PDIP
Number of Pins
8
8
8
Supply Chain
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
Descriptions
Descriptions of onsemi UC3845N provided by its distributors.
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8
CURRENT-MODE BIPOLAR DUAL Through Hole DC-DC Controller IC 45ns 0C~70C TA 500kHz 5.1V
Current Mode PWM Controller 1A 8-Pin PDIP Rail
DIP-8 AC-DC Controllers & Regulators ROHS
CURRENT MODE PWM CNTRLR 1A 8PDIP
IC REG CTRLR BOOST/FLYBACK 8DIP
Supervisory Circuits PWM Control IC
Manufacturer Aliases
onsemi has several brands around the world that distributors may use as alternate names. onsemi may also be known as the following names:
- 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
Inventory History
3 month trend: +0.00%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackageDIP
MountThrough Hole
Number of Pins8
Number of Terminals8
Technical
Duty Cycle50 %
Fall Time35 ns
Frequency275 kHz
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
Operating Supply Current30 mA
Output Current1 A
Output Voltage5.1 V
Rise Time45 ns
Switching Frequency500 kHz
Temperature GradeCommercial
Dimensions
Height - Seated (Max)4.45 mm
Length9.2 mm
Terminal Pitch2.54 mm
Width7.62 mm
Compliance
Environmental Classification
China RoHSNon-Compliant
Lead FreeContains Lead
REACH SVHCNo
RoHSCompliant
Compliance Statements