UC3845AD8TRG4

Part Number:: UC3845AD8TRG4

Manufacturer:

Ventron No:: 4550522-UC3845AD8TRG4

Description:: IC REG CTRLR MULT TOPOLOGY 8SOIC

ECAD Model:

Datasheet:: UC3845AD8TRG4

Specifications

UC3845AD8TRG4 technical specifications, attributes, parameters and parts with similar specifications to UC3845AD8TRG4.

Factory Lead Time
6 Weeks
Lifecycle Status
ACTIVE (Last Updated: 6 days ago)
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154, 3.90mm Width)
Surface Mount
YES
Number of Pins
8
Weight
72.603129mg
Operating Temperature
0°C~70°C TA
Packaging
Tape & Reel (TR)
JESD-609 Code
e4
Pbfree Code
yes
Part Status
Active
Moisture Sensitivity Level (MSL)
1 (Unlimited)
Number of Terminations
8
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
15V
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
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 %
Duty Cycle (Max)
48%
Height
1.75mm
Length
4.9mm
Width
3.91mm
Thickness
1.58mm
RoHS Status
ROHS3 Compliant
Lead Free
Lead Free

Description

UC3845AD8TRG4 Overview
Capsuled in the 8-SOIC (0.154, 3.90mm Width) package, the switching controller suits most application needs. 1 outputs are supported by the dc motor controller. An enclosure of Tape & Reel (TR) is used to package the PMIC. It is capable of handling Transistor Driver dc switching's outputs (s). Voltages 7.6V~30V are the dc control's supply voltage and operating voltage, respectively. Qualified to work in an dc switcher with 0°C~70°C TA. Switching can be done at 500kHz with this switching controller. The Surface Mount value makes it suitable for general dc dc regulator. In order to control switching efficiently, the dcdc regulator features Frequency Control. The switch converters are connected to an analog IC with a SWITCHING CONTROLLER output. There are a DUAL terminal on the switching converters. There are many different types of terminations for 8. To name a few of the control techniques these dc dc converter ics adapt, it includes PULSE WIDTH MODULATION. The DC switcher's nominal voltage is 15V. A search for "UC3845" will reveal other relevant dc to dc converter ics. 8 pins are on switching converter. Switching converter is a type of Switching Regulator or Controllers in particular. DC regulator outputs 15V voltage based on test statistics. A starting point for a project is to note down the dc dc regulator's usual output current, which is 200mA. voltage regulator dc to dcs with a 50 % duty cycle are designed to be reliable when powered on and powered off. 450kHz is the frequency of the switching controller. 25V is the nominal working voltage. This voltage controller requires a supply voltage of 11V. 25mA more than 25mA current should be supplied to the controller.

UC3845AD8TRG4 Features
Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz

UC3845AD8TRG4 Applications
There are a lot of Texas Instruments UC3845AD8TRG4 DC to DC converter applications.

Medical equipment
Mobile phones
Driver circuits
Precision electronic equipment
Photovoltaic power
Correction machines
Direct power supply system
Nuclear power plants
Current source circuits
Program control systems

UC3845AD8TRG4 More Descriptions

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC T/R
30V,1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0°C to 70°C 8-SOIC 0 to 70
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8
PWM Power Supply Controllers Current-Mode PWM Controller
IC REG CTRLR MULT TOPOLOGY 8SOIC
Pulse Width Modulation (PWM) Controller IC; Frequency:450kHz; No. of Pins:8; Operating Temperature Range:0°C to 70°C; Control Mode:Current; Leaded Process Compatible:Yes; Number of PWM Outputs:1; Output Current:200mA ;RoHS Compliant: Yes

Certification