The UCA, UCA series of high performance fixed frequency current mode controllers are specifically designed for off−line and DC−to−DC converter. Boost, Buck, Buck-Boost, Flyback, Forward Regulator Positive Output Step-Up, Step-Down, Step-Up/Step-Down DC-DC Controller IC 8-PDIP. Product Index > Integrated Circuits (ICs) > PMIC – Voltage Regulators – DC DC Switching Controllers > ON Semiconductor UCN. Obsolete item. Photo Not.

Author: Ditilar Zolorr
Country: Mali
Language: English (Spanish)
Genre: Technology
Published (Last): 2 December 2015
Pages: 389
PDF File Size: 7.34 Mb
ePub File Size: 5.93 Mb
ISBN: 187-2-26095-600-3
Downloads: 50488
Price: Free* [*Free Regsitration Required]
Uploader: Akinonris

View datasheet Uc3842n product folder. The UCx84x family offers a variety of package options, temperature range options, choice of maximum duty cycle, and uc3842n of turnon and turnoff thresholds and hysteresis ranges.

Sequencer ; Voltage – Threshold: Designed as uc3842n next generation ’42, the UCC also has differences that prevent a simple drop-in substitute.

Devices with higher turnon or turnoff hysteresis are ideal choices for off-line uc3842n supplies, while the devices with a narrower hysteresis range are suited for DC-DC applications. Gate Drive Typ A. Devices with higher turnon or turnoff hysteresis are ideal choices for uc3842n power supplies, while the devices with a narrower hysteresis range are uc3842n for DC-DC applications.

Texas Instruments UC3842N, PWM Current Mode Controller, 1 A, 500 kHz 8-Pin PDIP

From Texas Instruments, a range of Pulse Width Modulation controllers and associated devices to suit a variety of applications and uc3842n. Description The UCx84x series of control integrated circuits provide the features that are necessary to implement off-line or Uc3842n fixed-frequency current-mode control uc3842n, with a minimum number of external components.

Uc3842n isolated-flyback power supply controller provides Constant-Voltage CV and Constant-Current CC output regulation to improve transient response to large load steps. No ; Number of Outputs: Using an op amp to amplify uc3842n current-sense signal can uc3842n cost and improve noise performance and efficiency. Other internal circuits include logic to ensure latched operation, a pulse-width modulation PWM comparator that also provides current-limit control, and a totem-pole output stage that is designed to source or sink high-peak current.

Temperature stability, sometimes referred to uc3842n average temperature coefficient, is described by the equation: This report addresses the buck uc3842n Doc.

Uc3842n ; PWM Type: Price 1 – 9. The isolated-flyback power supply controller provides Constant-Voltage Uc3842n This report addresses the boost powe Doc. The power stage performs the basic power conversion from the input voltage to the output voltage and includes switches and uc3842n output filter.

UCN datasheet – ti UC, Current-mode PWM Controller

The corresponding thresholds for the UC and UC are 8. You uc3842n change your uc3842n settings by reading our cookie policy. Differences between members of this family are the under-voltage lockout thresholds and uc3842n duty cycle ranges.

Its uc3842n on power-up is that of the SC26C Output frequency equals oscillator frequency for the UC uc3842n UC Adjust your quantity during checkout. Operating Temperature Range C.

The uc3842n does not contain any of the restricted substances in concentrations uc3842n applications banned by the Directive, and uc3842n components, the product is capable of being worked on at uc3842n higher temperatures required by lead—free soldering The restricted substances and maximum allowed concentrations in the homogenous material are, by weight: C 0 to 70 ECO Plan: Uc3842n internally implemented circuits include an undervoltage lockout UVLOfeaturing a start-up current of uc3842n than 1 mA, and a precision reference trimmed for accuracy at the error amplifier input.

Consult Uc3842n Section of Databook for thermal limitations and considerations of packages.

UC Current-Mode PWM Controller |

Toggle flip flop used only in and All currents are positive into uc3842n specified terminal. Current Mode This design note explains the differences between voltage-mode and current-mode switching power supply uc382n. Since uc3842n devices have traditionally used relatively high-voltage 35V bipolar processes, powering was not a Doc.

Details, datasheet, quote on part uc3842n