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Details for UC3846DW by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
UC3846DW
Buy Directly from Texas Instruments (4746 in stock) $1.5520
IC CURRENT MODE PWM CTRL 40V 16-SOIC
UC3846DW image

UC3846DW by Texas Instruments

IC CURRENT MODE PWM CTRL 40V 16-SOIC
Features
500-kHz Operation
500-mA (Peak) Totem-pole Outputs
Automatic Feedforward Compensation
Automatic Symmetry Correction in Push-Pull Configuration
Differential Current Sense Amplifier with Wide Common Mode Range
Double-Pulse Suppression
Enhanced Load Response Characteristics
Parallel Operation Capability for Modular Power Systems
Programmable Pulse-by-Pulse Current Limiting
Shutdown Terminal
Soft-Start Capability
Undervoltage Lockout
u00b11% Band Gap Reference
Part Information
UC3846DW image
Description
The UC1846/7 family of control devices provides all of the necessary features to implement fixedfrequency, current-mode control schemes while maintaining a minimum external parts count. The superior performance of this technique can be measured in improved line regulation, enhanced load response characteristics, and a simpler, easier-todesign control loop. Topological advantages include inherent pulse-by-pulse current limiting capability, automatic symmetry correction for push-pull converters, and the ability to parallel power modules while maintaining equal current sharing. Protection circuitry includes built-in undervoltage lockout and programmable current limit, in addition to soft-start capability. A shutdown function is also available, which can initiate either a complete shutdown with automatic restart or latch the supply off. Other features include fully-latched operation, doublepulse suppression, deadline adjust capability, and a ±1% trimmed band gap reference. The UC1846 features low outputs in the OFF state, while the UCx847 features high outputs in the OFF state.
Specifications
Input Voltage:
15V
Output Voltage:
5.1V
Output Current:
500A
Supply Voltage Min:
8V
Supply Voltage Max:
40V
Controller IC Case Style:
SOIC
No. of Pins:
16Pins
Frequency:
500kHz
Operating Temperature Min:
0°C
Operating Temperature Max:
70°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Base Number:
3846
Controller Type:
PWM
IC Generic Number:
3846
IC Temperature Range:
Commercial
Logic Function Number:
3846
Operating Temperature Range:
0°C to +70°C
Output Type:
Totem Pole
Power Dissipation Pd:
1W
Power Supply IC Type:
PWM controller
Supply Voltage Range:
8V to 40V
Termination Type:
Surface Mount Device
Alternate Descriptions
Current Mode PWM Cntrlr 500mA 16P SOIC RS Components
IC, CURRENT MODE PWM CTRL, 40V, 16-SOIC; Input Voltage:15V; Output Voltage:5.1V; Output Current:500A; Supply Voltage Min:8V; Supply Voltage Max:40V; Controller IC Case Style:SOIC; No. of Pins:16Pins; Frequency:500kHz; Operating RoHS Compliant: Yes Newark Electronics
Current Mode PWM Controller 500mA 16-Pin SOIC Tube Avnet America
Dual ended 500KHz current mode PWM controller, 0C to 70C Texas Instruments
In a Tube of 40, Texas Instruments UC3846DW PWM Akım Modu Kontrolcü Entegresi, 2 PWM Çıkışı, 500 mA, 500 kHz, 16-Pinli SOIC RS Components TR
Current Mode PWM Cntrlr 500mA 16P SOIC RS Components IT