PDF VIPer100ASP Data sheet ( Hoja de datos )

Número de pieza	VIPer100ASP
Descripción	SMPS PRIMARY I.C.
Fabricantes	STMicroelectronics
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No Preview Available ! VIPer100/SP ® VIPer100A/ASP SMPS PRIMARY I.C. TYPE VIPer100/SP VIPer100A/ASP VDSS 620V 700V In RDS(on) 3 A 2.5 Ω 3 A 2.8 Ω FEATURE s ADJUSTABLE SWITCHING FREQUENCY UP TO 200KHZ s CURRENT MODE CONTROL s SOFT START AND SHUT DOWN CONTROL s AUTOMATIC BURST MODE OPERATION IN STAND-BY CONDITION ABLE TO MEET ”BLUE ANGEL” NORM (<1W TOTAL POWER CONSUMPTION) s INTERNALLY TRIMMED ZENER REFERENCE s UNDERVOLTAGE LOCK-OUT WITH HYSTERESIS s INTEGRATED START-UP SUPPLY s AVALANCHE RUGGED s OVERTEMPERATURE PROTECTION s LOW STAND-BY CURRENT s ADJUSTABLE CURRENT LIMITATION BLOCK DIAGRAM 10 PENTAWATT HV 1 PENTAWATT HV PowerSO-10 (022Y) DESCRIPTION VIPer100™/100A, made using VIPower M0 Technology, combines on the same silicon chip a state-of-the-art PWM circuit together with an optimized high voltage avalanche rugged Vertical Power MOSFET (620V or 700V / 3A). Typical applications cover off line power supplies with a secondary power capability of 50W in wide range condition and 100W in single range or with doubler configuration. It is compatible from both primary or secondary regulation loop despite using around 50% less components when compared with a discrete solution. Burst mode operation is an additional feature of this device, offering the possibility to operate in stand-by mode without extra components. OSC DRAIN ON/OFF OSCILLATOR SECURITY LATCH PWM LATCH VDD UVLO LOGIC FF R/S Q S R1 FF Q S R2 R3 OVERTEMP. DETECTOR 0.5 V + _ ERROR _ AMPLIFIER 13 V + 4.5 V 1.7 µ s DELAY 25 0 ns BLANKING 0 .5V ++ _ _ 1 V/A CURRENT AMPLIFIER May 1999 COMP SOU RCE 1/20 1 page VIPer100/SP - VIPer100A/ASP ELECTRICAL CHARACTERISTICS (continued) OSCILLATOR SECTION Symb ol FSW V OSC ih VOSCi l Parameter Oscillator Frequency Total Variation Oscillator Peak Voltage Oscillator Valley Voltage T est Con ditio ns RT = 8.2 KΩ CT =2.4 nF VDD = 9 to15 V with RT ± 1% CT ± 5% (see fig. 6 and fig. 9) Min. 90 Typ . 100 M a x. 110 Un it KHz 7.1 V 3.7 V ERROR AMPLIFIER SECTION Symb ol VDDreg ∆VDDreg GBW P a ram et er VDD Regulation Point Total Variation Unity Gain Bandwidth A VOL Gm V COMPL O V C OM PHI ICOMPLO I CO MP HI Open Loop Voltage Gain DC Transconductance Output Low Level Output High Level Output Low Current Capability Output High Current Capability Test Conditions ICOMP = 0 mA (see f ig.1) TJ = 0 to 100 oC From Input = VDD t o O utput = VCOMP COMP pin is open (see fig. 10) COMP pin is open (see fig. 10) VCOMP = 2.5 V (see fig. 1) ICOMP = -400 µA VDD = 14 V ICOMP = 400 µA VDD = 12 V VCOMP = 2.5 V VDD = 14 V VCOMP = 2.5 V VDD = 12 V Min. 12.6 45 1.1 Typ . 13 2 150 52 1.5 0.2 4.5 -600 600 M a x. 13.4 Unit V % KHz dB 1.9 mA/V V V µA µA PWM COMPARATOR SECTION Symb ol HID VCOMPo f f IDpeak td tb ton( mi n) P a ram et er Test Conditions ∆VCOMP /∆IDpea k VCOMP = 1 to 3 V VCOMP off set IDpeak = 10 mA Peak Current Limitat ion VDD = 12 V Current Sense Delay to turn-off ID = 1 A COMP pin open Blanking Time Minimum on T ime Min. 0.7 3 Typ . 1 0.5 4 250 M a x. 1.3 5.3 Unit V/A V A ns 250 360 350 ns ns SHUTDOWN AND OVERTEMPERATURE SECTION Symb ol V COMP th tDI Ss u Ttsd Thyst P a ram et er Restart threshold Disable Set Up Time Thermal Shutdown Temperature Thermal Shutdown Hy s t e re s is Test Conditions (see fig. 4) (see fig. 4) (see fig. 8) (see fig. 8) Min. 140 Typ . 0.5 1.7 170 M a x. 5 Unit V µs oC 40 oC 5/20 5 Page VIPer100/SP - VIPer100A/ASP Figure 13: Off Line Power Supply With Auxliary Supply Feedback AC IN F1 TR2 C1 R9 BR1 C2 D3 C4 D1 R1 C3 R7 TR1 D2 C7 C10 L2 C9 +Vcc GND R2 VDD OSC 13V - + DRAIN U1 VIPer100 C5 COMP SOURCE C6 C11 R3 FC00081 Figure 14: Off Line Power Supply With Optocoupler Feedback AC IN F1 TR2 C1 R9 BR1 C2 D3 C4 D1 R1 C3 R7 TR1 D2 C7 C10 L2 C9 +Vcc GND R2 VDD OSC 13V - + DRAIN U1 VIPer100 COMP SOURCE C5 C6 C11 R3 R6 ISO1 R4 C8 U2 R5 FC00091 11/20 11 Page

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