UC3845AD

14 Terminals 7.6V~30V 14-Pin UC3845 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 500kHz Transistor Driver

Manufacturer: Texas Instruments
Nocochips NO: 815-UC3845AD
Package: 14-SOIC (0.154, 3.90mm Width)
Datasheet: PDF
Stock: 356
Description: 14 Terminals 7.6V~30V 14-Pin UC3845 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 500kHz Transistor Driver (Kg)

Details

Tags

Parameters
Factory Lead Time	1 Week
Lifecycle Status	ACTIVE (Last Updated: 2 days ago)
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154, 3.90mm Width)
Surface Mount	YES
Number of Pins	14
Weight	122.413241mg
Operating Temperature	0°C~70°C TA
Packaging	Tube
JESD-609 Code	e4
Pbfree Code	yes
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	14
ECCN Code	EAR99
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Subcategory	Switching Regulator or Controllers
Technology	BIPOLAR
Terminal Position	DUAL
Terminal Form	GULL WING
Peak Reflow Temperature (Cel)	260
Supply Voltage	11V
Frequency	450kHz
Base Part Number	UC3845
Function	Step-Up, Step-Down, Step-Up/Step-Down
Number of Outputs	1
Output Voltage	5.1V
Output Type	Transistor Driver
Input Voltage-Nom	15V
Analog IC - Other Type	SWITCHING CONTROLLER
Output Configuration	Positive, Isolation Capable
Output Current	200mA
Voltage - Supply (Vcc/Vdd)	7.6V~30V
Quiescent Current	11mA
Control Features	Frequency Control
Topology	Buck, Boost, Flyback, Forward Converter
Control Mode	CURRENT-MODE
Frequency - Switching	500kHz
Control Technique	PULSE WIDTH MODULATION
Rise Time	50ns
Supply Current-Max (Isup)	25mA
Synchronous Rectifier	No
Fall Time (Typ)	50 ns
Nominal Input Voltage	25V
Switcher Configuration	BUCK-BOOST
Max Duty Cycle	50 %
Input Current	11mA
Duty Cycle (Max)	48%
Height	1.75mm
Length	8.65mm
Width	3.91mm
Thickness	1.58mm
REACH SVHC	No SVHC
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free

UC3845AD Overview

This switching controller fits most application requirements since it is packaged in a 14-SOIC (0.154, 3.90mm Width) package. There is enough capacity in the dc motor controller to generate the output for the 1 input. Packaged in solid enclosures, this pmic has a Tube rating. Transistor Driver dc switching's outputs (s) are supported. DC control operates at 7.6V~30V volts and has 7.6V~30V supply voltage. Qualified to work in a 0°C~70°C TA dc switcher. Using this switching controller, it is possible to switch at 500kHz. The Surface Mount allows it to be used for dc dc regulator in general. Featured in the dcdc regulator is Frequency Control which allows efficient switching control. Thare switch converters are connected to an analog integrated circuit (IC) of type SWITCHING CONTROLLER. Switching converters are designed with the terminal (s) at position DUAL . Different dc switching's functions can be applied to 14 terminations. To name a few of the control techniques these dc dc converter ics adapt, it includes PULSE WIDTH MODULATION. It is inputted with a DC switcher's voltage of 15V. A search for "UC3845" will reveal other relevant dc to dc converter ics. 14 pins are on switching converter. In particular, switching converter is a type of Switching Regulator or Controllers. According to the test statistics, DC regulator outputs 5.1V voltage. In most cases, the output current of the dc dc regulator will be 200mA, so note that when you start the project. The maximum duty cycle of this voltage regulator dc to dc is set to 50 % to ensure reliability during power-up and power-down. There is 450kHz frequency setting on the switching controller. When the dc switching is dormant, it uses 11mA. It is possible to set the input voltage as 25V for nominal working statuses. The supply voltage must be 11V. There should be 25mA current exceeding 25mA supplied to the controller. Input of 11mA current flow would satisfy the operation requirements of the switching converter .