Texas Instruments UC3845N
$ 1.11
NRND
Inventory History
3 month trend: +14.12%
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
$ 1.11
$ 1.366
$ 1.366
Stock
265,133
178,520
178,520
Authorized Distributors
5
3
3
Topology
Boost, Buck, Buck-Boost, Flyback
Boost, Buck, Flyback
Boost, Buck, Flyback
Output Voltage
13.5 V
-
-
Min Input Voltage
-
-
-
Max Input Voltage
-
-
-
Max Input Current
-
-
-
Efficiency
-
-
-
Max Switching Frequency
-
-
-
Output Voltage Accuracy
-
-
-
Fault Protection
-
-
-
Synchronous Rectifier
-
-
-
Case/Package
PDIP
PDIP
PDIP
Number of Pins
8
8
8
Supply Chain
Lifecycle StatusNRND (Last Updated: 1 week ago)
Manufacturer Lifecycle StatusNRND (Last Updated: 1 week ago)
Descriptions
Descriptions of Texas Instruments UC3845N provided by its distributors.
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDIP8
Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0C to 70C 8-PDIP 0 to 70
Current Mode PWM Controller 200mA 500kHz 8-Pin PDIP Tube
Texas Instruments current modePWMControllers, 8Pin, PDIPencapsulation, Through hole mounting, Highest500 kHz
UC3845 Buck Boost Flyback Forward Converter Tube e4 DC to DC switching controller 50ns 1A 528.605208mg 13.5V
Ic, Controller, Pwm; |Texas Instruments UC3845N
PWM Power Supply Controllers Current Mode PWM
IC REG CTRLR MULT TOPOLOGY 8DIP
Pulse Width Modulation (PWM) Controller;
AC-DC Controller And Voltage Regulator
IC, CONTROLLER, PWM; Input Voltage:25V; Output Voltage:13.5V; Output Current:1A; Supply Voltage Min:12V; Supply Voltage Max:25V; Controller IC Case Style:DIP; N; Available until stocks are exhausted Alternative available
Manufacturer Aliases
Texas Instruments has several brands around the world that distributors may use as alternate names. Texas Instruments may also be known as the following names:
- 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
- TI Texas Instruments
- TEXAS INSTRUM
- TEXAS USD
- TEXAS INSRUMENTS
- TEXAS INSRUMENT
- TEXAS INSTUMENTS
- TI-ROHS
- Texas Instr.
- Texas Instruments Inc.
Inventory History
3 month trend: +14.12%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackagePDIP
Number of Pins8
Weight528.605208 mg
Technical
Duty Cycle50 %
Fall Time50 ns
Frequency450 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 Voltage25 V
Number of Channels1
Number of Outputs1
Output Current1 A
Output TypeTOTEM POLE
Output Voltage13.5 V
Power Dissipation1 W
Quiescent Current11 mA
Rise Time50 ns
Schedule B8542390000
Switching Frequency500 kHz
TopologyBoost, Buck, Buck-Boost, Flyback
Dimensions
Height5.08 mm
Length9.81 mm
Thickness3.9 mm
Width6.35 mm
Compliance
Environmental Classification
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCUnaffected
RoHSCompliant
Compliance Statements