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UCC25701D-UCC25701DTR-UCC25701N-UCC25701NG4-UCC25701PW Fast Delivery,Good Price
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UCC25701DTI/BBN/a181avaiAdvanced Voltage Mode Pulse Width Modulator
UCC25701DTRTIN/a2500avaiAdvanced Voltage Mode Pulse Width Modulator
UCC25701NTIN/a128avaiAdvanced Voltage Mode Pulse Width Modulator
UCC25701NG4TEXASN/a1avaiAdvanced Voltage Mode Pulse Width Modulator
UCC25701PWTIN/a80avaiAdvanced Voltage Mode Pulse Width Modulator
UCC25701PWTI&BBN/a483avaiAdvanced Voltage Mode Pulse Width Modulator
UCC25701PW80N/a80avaiAdvanced Voltage Mode Pulse Width Modulator
UCC25701PWTI&BBN/a483avaiAdvanced Voltage Mode Pulse Width Modulator
UCC25701PWG4TIN/a1205avaiAdvanced Voltage Mode Pulse Width Modulator 14-TSSOP -40 to 85


UCC25701DTR ,Advanced Voltage Mode Pulse Width ModulatorELECTRICAL CHARACTERISTICS:Unless otherwise specified, V = 11V, RT = 60.4k, C = 330pF, C =C =DD T R ..
UCC25701N ,Advanced Voltage Mode Pulse Width ModulatorFEATURES DESCRIPTION700kHz Operation The UCC35701/UCC35702 family of pulse width modulators is inte ..
UCC25701NG4 ,Advanced Voltage Mode Pulse Width ModulatorELECTRICAL CHARACTERISTICS:Unless otherwise specified, V = 11V, RT = 60.4k, C = 330pF, C =C =DD T R ..
UCC25701PW ,Advanced Voltage Mode Pulse Width ModulatorFEATURES DESCRIPTION700kHz Operation The UCC35701/UCC35702 family of pulse width modulators is inte ..
UCC25701PW ,Advanced Voltage Mode Pulse Width ModulatorFEATURES DESCRIPTION700kHz Operation The UCC35701/UCC35702 family of pulse width modulators is inte ..
UCC25701PW ,Advanced Voltage Mode Pulse Width ModulatorELECTRICAL CHARACTERISTICS:Unless otherwise specified, V = 11V, RT = 60.4k, C = 330pF, C =C =DD T R ..
UNR9215J ,Composite DeviceFeatures• Costs can be reduced through downsizing of the equipment and12reduction of the number of ..
UNR9216J ,Composite DeviceFeatures• Costs can be reduced through downsizing of the equipment and12reduction of the number of ..
UNR9217 ,Silicon NPN epitaxial planer transistor with biult-in resistor
UNR9217J ,Composite DeviceAbsolute Maximum Ratings T = 25°CaParameter Symbol Rating UnitCollector to base voltage V 50 VCBOC ..
UNR9219J ,Composite DeviceAbsolute Maximum Ratings T = 25°CaParameter Symbol Rating UnitCollector to base voltage V 50 VCBOC ..
UNR921TJ ,Composite DeviceElectrical Characteristics T = 25°CaParameter Symbol Conditions Min Typ Max UnitCollector cutoff c ..


UCC25701D-UCC25701DTR-UCC25701N-UCC25701NG4-UCC25701PW-UCC25701PWG4
Advanced Voltage Mode Pulse Width Modulator
UCC15701/2
UCC25701/2
UCC35701/2

Advanced Voltage Mode Pulse Width Modulator
DESCRIPTION

The UCC35701/UCC35702 familyof pulse width modulatorsis intendedfor
isolated switching power supplies using primary side control. They can be
used for both off-line applications and DC/DC converter designs suchasin distributed power system architectureorasa telecom power source.
The devices feature low startup current, allowing for efficient off-line start-
ing, yet have sufficient output driveto switch power MOSFETsin excessof
500kHz.
Voltage feed forward compensationis operational overa 5:1 input range
and provides fast and accurate responseto input voltage changes overa
4:1 range. An accurate volt-second clamp and maximum duty cycle limit
are also featured.
Fault protectionis providedby pulseby pulse current limitingas wellas the
abilityto latch off aftera programmable numberof repetitive faults has oc-
curred.
Two UVLO options are offered. UCC35701 family has turn-on and turn-off
thresholdsof 13V/9V and UCC35702 family has thresholdsof 9.6V/8.8V.
The UCC35701/2 and the UCC25701/2 are offeredin the14 pin SOIC (D), pin PDIP (N)orin 14 pin TSSOP (PW) packages. The UCC15701/2is
offeredin the14 pin CDIP (J) package.
TYPICAL APPLICATION DIAGRAM
FEATURES

700kHz Operation
Integrated Oscillator/ Voltage Feed
Forward Compensation
Accurate Duty Cycle Limit
Accurate Volt-second Clamp
Optocoupler Interface
Fault Counting Shutdown
Fault Latchoffor Automatic Shutdown
Soft Stop Optimizedfor Synchronous
Rectification Peak Gate Drive Output
130�A Start-up Current
750�A Operating Current
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