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PDF US3702 Datasheet ( Hoja de datos )

Número de pieza US3702
Descripción HIGH PERFORMANCE CURRENT MODE POWER SWITCH
Fabricantes Unisonic Technologies 
Logotipo Unisonic Technologies Logotipo

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US3702 Hoja de datos, Descripción, Manual
UNISONIC TECHNOLOGIES CO., LTD
US3702
Preliminary
LINEAR INTEGRATED CIRCUIT
HIGH PERFORMANCE
CURRENT MODE POWER
SWITCH WITH ZERO
CURRENT DETECTION
DESCRIPTION
The UTC US3702 is an integrated PWM controller and
SenseFET specifically designed for switching operation with
minimal external components. The UTC US3702 is designed to
provide several special enhancements to satisfy the needs, for
example, Power-Saving mode for low standby power (<0.3W),
Frequency Hopping , Constant Output Power Limiting , Slope
Compensation ,Over Current Protection (OCP), Over Voltage
Protection (OVP), Over Load Protection (OLP), Under Voltage
Lock Out (UVLO), Short Circuit Protection (SCP) , Over
Temperature Protection (OTP) etc. IC will be shutdown or can
auto-restart in situations.
FEATURE
* Internal high voltage SenseFET(700V)
* Frequency hopping for Improved EMI performance.
* Lower than 0.3W standby power design
* Linearly decreasing frequency to 26KHz during light load
* Internal soft start
* Internal slope compensation
* Constant power limiting for universal AC input range
* Gate output maximum voltage clamp(15V)
* Over temperature protection
* Overload protection
* Over voltage protection
* Leading edge blanking
* Cycle-by-cycle current limiting
* Under voltage lock out
* Short circuit protection
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
US3702L-D08-T
US3702G-D08-T
DIP-8
Package
DIP-8
Packing
Tube
US3702L-D08-T
(1)Packing Type
(2)Package Type
(3)Green Package
(1) T: Tube
(2) D08: DIP-8
(3) L: Lead Free, G: Halogen Free and Lead Free
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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US3702 pdf
US3702
Preliminary
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
SYMBOL TEST CONDITIONS
POWER MOS-transistor SECTION
Drain-Source Breakdown Voltage
Turn-on voltage between gate and source
VDSS
VTH
VGS=0V, ID=250mA
VDS=VGS, ID=250mA
Drain-Source Diode Continuous Source
Current
IS
Static Drain-Source On-State Resistance
RDS(ON) VGS=10V, ID=2.25A
Rise Time
Fall Time
TR
VDD=300V, ID=4.0A
RG=25(Note 1,2)
TF
Notes: 1. Pulse Test: Pulse width300μs, Duty cycle2%
2. Essentially independent of operating temperature
MIN TYP MAX UNIT
700 V
2 4V
2A
5
45 100 NS
35 80 NS
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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