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HV9985K6-GM935 Datasheet(PDF) 4 Page - Supertex, Inc |
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HV9985K6-GM935 Datasheet(HTML) 4 Page - Supertex, Inc |
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4 / 16 page  4 HV9985 Supertex inc. www.supertex.com Doc.# DSFP-HV9985 C051513 Sym Parameter Min Typ Max Units Conditions Internal Transconductance Opamp (Gm1, Gm2 and Gm3) GB Gain bandwidth product # - 1.0 - MHz 75pF capacitance at COMP pin A V Open loop DC gain - 65 - - dB Output open V CM Input common-mode range # -0.3 - 3.0 V --- V O Output voltage range # - - V DD - --- G M Transconductance - 500 625 750 μA/V --- V OFFSET Input offset voltage - -5.0 - 5.0 mV --- I BIAS Input bias current # - 0.5 1.0 nA --- R RATIO Resistor divider ratio (∆V CS/∆VCOMP) # - 0.11 - - --- External Clock Input f OSC1 Oscillator frequency - - 500 - kHz F CLOCK = 6.0MHz K SW Oscillator divider ratio # - 12.0 - - --- P HI1 GATE1-GATE2 phase delay # - 120 - O --- GATE1-GATE3 phase delay # - 240 - O --- T OFF,MIN Minimum CLOCK low time # 50 - - ns --- T ON,MIN Minimum CLOCK high time # 50 - - ns --- V CLOCK,HI CLOCK input high * 2.0 - - V --- V CLOCK,LO CLOCK input low * - - 0.8 V --- Oscillator F osc1 Switching frequency (common for all channels) - 110 125 140 kHz RT = 400kΩ F osc2 - 440 500 560 kHz RT = 100kΩ F osc Switching frequency range # - - 1000 kHz --- Disconnect Driver (FLT1, FLT2 and FLT3) T RISE,FAULT Fault output rise time * - - 300 ns 500pF capacitor at FLT pin T FALL,FAULT Fault output fall time * - - 200 ns 500pF capacitor at FLT pin Short Circuit Protection (all three channels) T BLANK,SC Blanking time * 400 - 700 ns --- G SC Gain for short circuit comparator - 1.85 2.0 2.15 - --- V omin Minimum current limit threshold - 0.15 - 0.25 V REF = GND T OFF Propagation time for short circuit detection * - - 250 ns FDBK = 2 • REF + 0.1V SKIP timer I HC,SOURCE Current source at SKIP pin used for hiccup mode protection - - 5.0 - μA --- V SKIP ΔVoltage swing at SKIP pin # - 1.5 - V --- # Denotes specifications guaranteed by design. * The specifications which apply over the full operating temperature range at 0OC < T A < +85 O C are guaranteed by design and characterization. Electrical Characteristics (The * denotes the specifications which apply over the full operating ambient temperature range 0OC<T A<+85 O C, otherwise the specifications are at T A = 25 O C. V IN = 24V, VDD1 = VDD2 = VDD3 = VDD unless otherwise noted.) |
Similar Part No. - HV9985K6-GM935 |
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Similar Description - HV9985K6-GM935 |
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