900,000+ datasheet pdf search and download

Datasheet4U offers most rated semiconductors data sheet pdf






UTC

UC3869H Datasheet Preview

UC3869H Datasheet

HIGH VOLTAGE GREEN MODE PWM CONTROLLER

No Preview Available !

UNISONIC TECHNOLOGIES CO., LTD
UC3869H
Preliminary
LINEAR INTEGRATED CIRCUIT
HIGH VOLTAGE GREEN MODE
PWM CONTROLLER
DESCRIPTION
The UTC UC3869H is a highly integrated current mode PWM
control IC with high voltage start up, optimized for high
performance, low standby power consumption and cost effective
offline flyback converter applications.
PWM switching frequency at normal operation is internally fixed
and is trimmed to a tight range. At no load condition, the IC
operates in power-saving mode for lower standby power,
decreasing frequency for Higher conversion efficiency at light load
condition. The internal slope compensation improves system
stability at high PWM duty cycle output. Leading-edge blanking on
current sense input removes the signal glitch, which offering
minimal external component count in the design.
The UTC UC3869H offers complete protection coverage
including Cycle-by-Cycle current limiting (OCP), VDD under voltage
lockout (UVLO), over load protection (OLP), over temperature
protection (OTP), and over voltage protection (OVP). Excellent EMI
performance is achieved with UTC proprietary frequency hopping
technique (ZL201020615247.1) together with soft driver control.
Audio noise is eliminated due to switch frequency more than 20kHz
during operation. The tone energy at below 22KHZ is minimized to
avoid audio noise during operation.
FEATURES
* High voltage startup
* Power on soft start reducing MOSFET Vds stress
* Efficiency and minimum standby power
* Frequency shuffling for EMI
* Audio noise free operation
* Fixed 100KHZ switching frequency
* Comprehensive protection coverage
VDD Under Voltage Lockout with Hysteresis (UVLO)
Cycle-by-cycle over current protection (OCP)
Overload Protection (OLP)
External programmable Over Temperature Protection (OTP)
VDD Over voltage Protection(OVP)
www.unisonic.com.tw
Copyright © 2019 Unisonic Technologies Co., Ltd
1 of 9
QW-R103-162.a




UTC

UC3869H Datasheet Preview

UC3869H Datasheet

HIGH VOLTAGE GREEN MODE PWM CONTROLLER

No Preview Available !

UC3869H
Preliminary
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UC3869HL-D08-T
UC3869HG-D08-T
UC3869HL-S08-R
UC3869HG-S08-R
LINEAR INTEGRATED CIRCUIT
Package
DIP-8
SOP-8
Packing
Tube
Tape Reel
MARKING
DIP-8
SOP-8
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 9
QW-R103-162.a


Part Number UC3869H
Description HIGH VOLTAGE GREEN MODE PWM CONTROLLER
Maker UTC
PDF Download

UC3869H Datasheet PDF






Similar Datasheet

1 UC3869 HIGH VOLTAGE GREEN MODE PWM CONTROLLER
UTC
2 UC3869A HIGH VOLTAGE GREEN MODE PWM CONTROLLER
UTC
3 UC3869H HIGH VOLTAGE GREEN MODE PWM CONTROLLER
UTC





Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z



Site map

Webmaste! click here

Contact us

Buy Components

Privacy Policy