onsemi UC3845D
boost，Flyback No 500KHz Transistor Driver 1 5.1V 4.9V SOIC-14 SMD mount
$ 0.904
Obsolete
Inventory History
3 month trend: -2.16%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
CAD Models
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Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 0.904
$ 1.159
Stock
77,685
119,400
Authorized Distributors
2
2
Topology
Boost, Flyback
Boost, Flyback
Output Voltage
5.1 V
5.05 V
Min Input Voltage
8.2 V
8.2 V
Max Input Voltage
25 V
25 V
Max Input Current
-
-
Efficiency
-
-
Max Switching Frequency
500 kHz
500 kHz
Output Voltage Accuracy
-
-
Fault Protection
-
-
Synchronous Rectifier
-
-
Case/Package
SOP
SOP
Number of Pins
14
-
Supply Chain
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1993-01-01
Lifecycle StatusObsolete (Last Updated: 7 months ago)
LTB Date2006-06-30
LTD Date2006-12-31
Related Parts
onsemiUC3842BDR2G
UC3842B Series 30 V 275 KHz High Performance Current Mode Controller - SOIC-14
Descriptions
Descriptions of onsemi UC3845D provided by its distributors.
boost，Flyback No 500KHz Transistor Driver 1 5.1V 4.9V SOIC-14 SMD mount
CURRENT-MODE BIPOLAR DUAL Surface Mount DC-DC Controller IC 45ns 0C~70C TA 500kHz 5.1V
CURRENT MODE PWM CONTROLLER Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14
Current Mode PWM Controller 1A 500kHz 14-Pin SOIC Rail
12V~28V SOP-14 AC-DC Controllers & Regulators ROHS
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 Semiconductor / Fairchild
- ON SEMICOND
- SCG
- ON Semiconductor Cor
- ON SEMICO
- ONSM
- onsemi / Fairchild
- ON SEMICONDUCTOR CORP
- 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: -2.16%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackageSOP
MountSurface Mount
Number of Pins14
Number of Terminals14
Technical
Duty Cycle50 %
Fall Time35 ns
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
Output Current1 A
Output Voltage5.1 V
Rise Time45 ns
Switching Frequency500 kHz
Temperature GradeCommercial
TopologyBoost, Flyback
Dimensions
Height - Seated (Max)1.75 mm
Length8.56 mm
Terminal Pitch1.27 mm
Width3.9 mm
Compliance
Environmental Classification
China RoHSNon-Compliant
REACH SVHCNo
RoHSCompliant
Compliance Statements