Power Factor Correction Power Module HIGHER POWER VERSION MO

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Power Factor Correction Power Module HIGHER POWER VERSION MO

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MODEL 7700 SERIES
Power Factor Correction Power Module
HIGHER POWER VERSION
MODELS/RANGE
7700B 7700-2A
FEATURES BENEFITS
1,500 Watts 3,000 Watts 2,000 Watts 4,000 Watts
Module contains power components necessary provide power factor correction switching power supply. Rectifier bridge with SCRs inrush current limiting Ultrafast platinum output diode 500V Max. (7700B) gate charge, 500V, .0675 max. (7700-2A) Provides optimum available line current Allows power supply meet harmonic requirement Module design reduces cost heat sink Saves significant space assembly time cost Internal temperature sensing Replaces each TO-220 TO-247 discrete power semiconductors Custom module versions available meet specific requirements such Motor drives Power servo amplifiers Solenoid drivers Solid state relays phase rectifier bridges
APPLICATIONS
Designed optimally facilitate boost type power factor correction (PFC) system designs with input current.
Specifications subject change without notice.
Standard applications include switching power supplies from 1,000 watts 4,000 watts with line voltages rms.
7-19
Model 7700 Series
ELECTRICAL CHARACTERISTICS
Parameter Continuous Drain Current
Symbol
Conditions1 25°C 100°C
Model
Min.
Typ.
Max. 34.8 ±400 28.8 39.6
Units °C/W °C/W
Pulsed Drain Current
Single Pulse Avalanche Energy Repetitive Avalanche Energy Avalanche Current Gate Source Voltage Leakage Current Drain Source Voltage Gate Threshold Voltage Gate Leakage Current Total Gate Charge Gate Source Charge Gate Drain (Miller) Charge Total Gate Charge Gate Source Charge Gate Drain (Miller) Charge Continous Source Current (Body Diode) Pulsed Source Current (Body Diode) Body Diode Forward Voltage Reverse Recovery Time (Body Diode) Reverse Recovery Charge (Body Diode) Internal Gate Resistor Junction Temperature Thermal Resistance IDSS VDS(ON) VGS(TH) IGSS RTHJC 56A, 80A, 56A, di/dt 400Aµs 80A, di/dt 400Aµs 56A, di/dt 400Aµs 80A, di/dt 400Aµs
500V 28A, VGS, ±20V 56A, 400V 80A, 400V
1.25 0.25 0.20 .025
7-20
Model 7700 Series
ELECTRICAL CHARACTERISTICS
Parameter SCRS Average Current Current switch) Peak Repetitive Voltage
Symbol IT(AV) IRMS
Conditions1 75°C, 180° half sine wave
Model
Min.
Typ.
Max.
Units °C/W °C/W °C/W °C/W
VRRM/ VDRM Peak Cycle Non-Repetitive ITSM Surge Current Reverse Direct Leakage IR/ID Current Voltage Gate Trigger Voltage (Includes drop across Gate Trigger Current (Each Individually) Holding Current Internal Gate Resistor Junction Temperature Thermal Resistance Bridge Diodes Average Forward Current Peak Repetitive Reverse Voltage Peak Cycle Non-Repetitive Surge Current Reverse Leakage Current Forward Voltage Junction Temperature Thermal Resistance
TJMax., 10ms Hz), sine VRRM, VDRM -40°C 125°C -40°C 125°C (Each Individually) Connected each
Rthjc
IF(AV) VRRM IFSM RTHJC
105°C, 180°, half sine wave
Max., 10ms Hz), sine VRRM
7-21
Model 7700 Series
ELECTRICAL CHARACTERISTICS
Parameter Output Diode Average Forward Current Peak Repetitive Reverse Voltage Peak Cycle Non-Repetitive Surge Current Reverse Leakage Current Forward Voltage Reverse Recovery Time Junction Temperature Thermal Resistance Thermistor Resistance Resistance Ratio
Symbol IF(AV) VRRM IFSM RTHJC
Conditions1 120°C
Model
Min.
Typ.
Max.
Units °C/W °C/W
TJMax., 10ms Hz), sine VRRM di/dt 300Aµs di/dt 200Aµs
0.75 22.5 .126 .0916 .0679 .0511
27.5
RT/R25
80°C 90°C 100°C 110°C
Dissipation Constant Thermal Time Constant
mW/°C
TCase 25°C unless otherwise specified.
7-22
Model 7700 Series
SYSTEM DIAGRAM
Filter
Line
Load
Dotted line denotes Model 7700 associated pins. Bridge Output Gates Ground Ground Drain Ultrafast Anode Ultrafast Cathode Gate Ground Gate Drive N.C. Thermal Shutdown Circuitry Gate Driver
7-23
Model 7700 Series
OUTLINE DIMENSIONS (Inch)
3.050 Max. 2.560 .505 ±.010 .050 .020 Places
.950 1.100±.015 1.440 Max.
.235
.280 .150
.160 Ref. .175 .075 Ref. .275 .330
.150
.154±.015 .515 Ref. .361
.286
Part Number
Number
Date Code
ORDERING INFORMATION
Model Package
Range, Watts: 1,500 3,000 Watts 2,000 4,000 Watts Circuit Function: Power Factor Correction
7-24
Model 7700 Series
MODEL 7700 APPLICATION NOTES
OUTPUT VOLTAGE OUTPUT CAPACITOR
output voltage must greater than highest peak line voltage expected:
output capacitor size often limited line dropout requirements power supply:
1.414
DISCONTINUOUS CONDUCTION
POUT MIN2
When line voltage approaches zero volts will forced towards maximum duty cycle. This will cause current become discontinuous, which will result some distortion. line voltage which current will become discontinuous will
Where: POUT output power, dropout time, minimum allowed output voltage. 120Hz output voltage ripple calculated insure meets system requirements:
DCMAX discontinuous DCMAX
line voltage which will duty cycle limited will
(2xP) ESR)
maximum 120Hz ripple current will
duty cycle limited (1-DCMAX)
INDUCTOR
1.414x
100KHz output voltage ripple will
inductor value controls amplitude 100KHz current ripple. This greatly effect amount distortion thus amount filtering required input. Ripple current calculated point along input sine wave:
100K
(1.414
ESR)
maximum 100KHz ripple current will
100K 2.828
1.414
DC(t) P(t)
Where: DC(t)=1-VIN(t)/VO, inductance switching frequency. good starting point would Ip-p equal peakcurrent, solving
GATE DRIVE REQUIREMENTS
switching times must fast enough insure that turns when maximum duty cycle. Snubbing circuits across will slow turn time should used. discrete gate driver circuit will allow fastest possible switching times. Unitrode UC3710 Telcom TC4422 drivers offer single chip approach
(1PIN
1.414
7-25
Model 7700 Series
MODEL 7700 APPLICATION NOTES
with only slightly slower switching times. gate driver must located close module possible. Ground sense should used insure fastest possible switching times.
HEAT RADIATOR
heat radiator requirements determined maximum power dissipated line) maximum ambient temperature. back side module should limited about 100°C utilizing internal thermistor. TMAX LOWLINE
Care should used when attaching module heat radiator. screws must tightened incrementally crisscross pattern. torque limiting screwdriver should used. high current levels require currrent sense transformers maintain reasonable efficiency. recommend Technologies HM31-20200.
VENDORS
Popular sources are: Unitrode UC3854 Micro Linear ML4812 Linear Technology LT1248
7-26
Model 7700 Series

Power Factor Correction Power Module HIGHER POWER VERSION MO

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