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LLC技术文档
HR1000A- RESONANT HALF-BRIDGE CONTROLLER ORDERING INFORMATION Part Number Package Top Marking HR1000AGS SOIC16 HR 1000A For Tape Reel, add suffix-Z(e.g. HR1000AGS-Z) PACKAGE REFERENCE TOP VIEW 16 BST TIMER 15HG CT 14 SW Fset 13|NC Burst CS6 LG BO 10 GND LATCH8 9 PFC ABSOLUTE MAXIMUM RATINGS ( 1) I Symbol Pin Parameter Value Unit 16 Floating supply voltage -1to618 14 Floating ground voltage 3 to Vast-18 dvs/dt 14 Floating ground max slew rate 50 V/ns VCC 12 IC supply voltage(Icc<25mA) Self-limited V PFC 9 Maximum voltage(pin open) 0.3 to vcc 9 Maximum sink current(pin low) Self-limited A 4 Maximum source current mA LG 11 Maximum voltage 0.3to16 1 to 8 Analog inputs and outputs -0.3to6 IC Continuous power dissipation (ta=+25C) 1.56 W Junction Temperature 150 °C Lead Temperature(Solder) 260 °C Storage Storage Temperature -55to+150 C Notes Recommended Operating Conditions (3) 1) Exceeding these ratings may damage the device Supply voltage VCC…… 13V to 15.5V 2) The maximum allowable power dissipation is a function of the Analog inputs and outputs -0.3Vto6.5V maximum junction temperature T(MAX), the junction-to ambient thermal resistance AjA, and the ambient temperature Operating Junction Temp(T3).-40C to+ 125C TA. The maximum allowable continuous power dissipation at ambient temperature is alculated by Thermal Resistance (4)04 Ojc D(MAXF(T(MAX) -TA)0.JA. Exceeding the maximum SOIC16 80...35..°C/W allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown Internal thermal shutdown circuitry protects the device from 3 permanent damage The device is not guaranteed to function outside of its operating conditions 4)Measured on JESD51-7, 4-layer PCB HR1000ARev.1.02 www.Monolithicpower.com 3 2/24/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited o 2014 MPS. All Rights HR1000A- RESONANT HALF-BRIDGE CONTROLLER ELECTRICAL CHARACTERISTICS TJ=25C, VCC=13V, CHG=CLG=InF; CT=470pF, RFset=12kQ, unless otherwise specified. Parameter I Symbol Min Typ Max Unit ic supply voltage(vcc) VCC operating range 8.9 155 VCC high threshold, IC switch-on 10.3 11 11.7 VCC low threshold. c switch-off VVVbc CCL 7.5 8.2 8.9 Hysteresis 25 Vcc clamp current during fault condition(VCC=16V, clamp 6 Latch =2V) mA VCc clamp voltage during fault condition(VCC>16vor LATCH1.85V or Vcs>1.5V or VTIMER3 5V or VBo<1. 25V Vc 15.3 or V0255V or otp IC supply current (vcc) Start-up current (Before the device turns on VCC=VCCH-O2V tart 250 300 A Quiescent current (Device on, VBurst=1V) 1.5 2 mA Operating current(Device on, BUrst=VFset) 3 5 A Residual consumption (VCC>16v or VCC<8V VLATCH> 1.85V or Vcs>1.5V or VTIMEr>3. 5V or VBo<1.25V 350 400 卩A or Vbo>5.5v or OTP High-side floating- gate-driver supply(BST, Sw) BST pin leakage current (VBST=600V LKEST 10 A SW pin leakage current(Vsw=582V) 10 A Input bias current(vcs=0 to vcslatch) UA Leading-edge blanking LEB 250 ns Frequency shift threshold 0.75 0.8 0.85 Latch-off threshold SLat ah1411.51:59V Line voltage sensing(BO) Threshold voltage 21.251.3V Clamp level 5.1 5.5 58 Current Hysteresis(VCC>5V, V80=0.3v) H 9 1215pA Latch function(LATCH) Input bias current (VLaTCH=0 to Vth LATCH A LATCH threshold 1.751.85195 Oscillator Output duty cycle D 48 052 % Oscillation frequency 600 kHZ Dead-time 300 350 400 ns CT peak value 3.8 CT valley value 0.9 Voltage reference at Fset pin REF 1.92 2 2.08 PFC function(PFC) Low saturation level(PFc=1mA, VLAtcH=2V) 0.2 Soft start function (ss) Discharge resistance(Vcs>Vcsx) R 120 Q Standby function(Burst) Disable threshold V118123128V Hysteresis 100 mV HR1000ARev.1.02 www.Monolithicpower.com 2/24/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited o 2014 MPS. All Rights Reserved HR1000A- RESONANT HALF-BRIDGE CONTROLLER ELECTRICAL CHARACTERISTICS(continued) TJ=25C, VCC=13V, CHGCLGlnF; CT=470pF, REset=12kQ2, unless otherwise specified. Parameter Symbol M Typ Max Unit Delayed shutdown(TIMER Charge current(VTIMER=1V, Vcs=0.85V) CHARGE 80 130 180 A Threshold for forced operation at maximum th1 1.88 2 2.08 frequency Shut down threshold 3.3 3.5 Restart threshold 0250.3035 Low-side gate driver (LG, referenced to GND) Peak source current source A Peak sink current A Sourcing resistor R source 4 Sinking resistor R Fall time 20 ns Rise time 20 ns UVLO saturation(VCC=0 to VCCH, Isink =2mA) High side gate driver(HG, referenced to Sw) Peak source current soucek A Peak sink current A Sourcing resistor R 4 Q Sinking resistor R 2 Q Fall time 20 ns Rise time 20 ns Thermal Shutdown Thermal shutdown threshold 150 °C Thermal shutdown recovery threshold 120 C HR1000ARev.1.02 www.Monolithicpower.com 5 2/24/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited o 2014 MPS. All Rights HR1000A- RESONANT HALF-BRIDGE CONTROLLER TYPICAL PERFORMANCE CHARACTERISTICS Performance waveforms are generated using the evaluation board built with design example on page 21 vaC=230v, vout = 19V, lou =4.7A, TA=25C, unless otherwise noted Supply Current Vs. Supply Current vs. TJ vcC Clamp voltage vs. T. Supply voltage 100 10.0 15.8 Operating @50kHz 15.7 15.6 Quiescent 15.5 Falling E1.0 §15.4 Residual 15.3 615.2 15.1 Start-up 15.0 0.01 0.1 14.9 100150 VCC (V) TEMPERATURE (C) TEMPERATURE(°C VCC Threshold vs TJ Current Sense Threshold BO Threshold vs TJ VS. T 12 2.0 5 10 VCC Rising ⊥ atch Off Clamp VCC Falli 87654 Frequency shift 1.0 u-Om Enable 工O 0.5 050100150 50 100150 TEMPERATURE(C) TEMPERATURE(C) TEMPERATURE( C) BO Source Current vs T Latch Threshold vs, T Oscillator Frequency VST 20 2.0 1.9 1.8 1.7 0.95 9l 0 50 100150 0 100150 50 100150 TEMPERATURE°C) TEMPERATURE(C) TEMPERATURE CC) HR1000ARev.1.02 www.Monolithicpower.com 2/24/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited o 2014 MPS. All Rights Reserved HR1000A- RESONANT HALF-BRIDGE CONTROLLER TYPICAL PERFORMANCE CHARACTERISTICS(continued) Performance waveforms are generated using the evaluation board built with design example on page 21 vaC=230v, vout = 19V, lou =4.7A, TA=25C, unless otherwise noted Dead-time vs. TJ Oscillator Frequency Vs Oscillator Ramp vs. TJ Frequency-Set Resistance 1000 4.0 220pF 3.5 Peak value 1.1 3.0 100 330pF 2.5 N工兰 7OpF 680pF 1.5 10 1nF Valley value 0.9 2.2nF 1.0 0.5 0.8 TEMPERATURE(°C) RFMN(kΩ) TEMPERATURE(°C) Current Mirror Ratio ys, T Reference Voltage vS. TJ Standby Threshold vs. TJ 1.04 2.3 1.45 O1.03 >2.2 之140 1.02 2.1 1.35 Restart 1.01 uO<HO>uOzuuu 2.0 1.00 1.9 a125 Disable 0.99 1.8 0.98 1.7 1.15 50100150 100150 TEMPERATURE(°c) TEMPERATURE(C) TEMPERATURE(°C) Delay Shutdown Charge ocP Delay threshold vs. T Current vs. TJ 4.0 3.5 C3.0 u140 2.5 Force to max fsw 20 120 1.5 0 Restart >0.5 80 100150 TEMPERATURE( C TEMPERATURE( C) HR1000ARev.1.02 www.Monolithicpower.com 2/24/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited o 2014 MPS. All Rights HR1000A- RESONANT HALF-BRIDGE CONTROLLER TYPICAL PERFORMANCE CHARACTERISTICS(continued) Performance waveforms are generated using the evaluation board built with design example on page 21 vaC=230v, vout = 19V, lou =4.7A, TA=25C, unless otherwise noted Efficiency Steady state Steady State VOUT =19V, OUT =4.7A VOUT=19V, IOUT =0A 90 230V Vs =120V 100V/div 100V/di 80 VlG 10V/d 1A/d 00.511.522533.544.55 2us/d∨ 2us/div Steady state Steady State Start-up VOUT=19V, IOuT=4.7A VOUT =19V, OUT =0A VOUT=19V, OUT=0A OUT RIPPLE OUT RIPP AE KKNNAN 5V/div 100mvdⅳ 100mVIdiv 10v/d 2μs/div 2us/div 200ms/div Start-up Shutdown Shutdown OUT=19V, OuT =4.7 OUT=19V, OUT =0A OUT 4.7A VLO 5Vidiv 5Vldiv 5vdv角w OUT OUT 10Vidiv 10V/div 2A/diy 2A/div oms/div 200ms/div HR1000ARev.1.02 www.Monolithicpower.com 8 2/24/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited o 2014 MPS. All Rights Reserved HR1000A- RESONANT HALF-BRIDGE CONTROLLER TYPICAL PERFORMANCE CHARACTERISTICS(continued) Performance waveforms are generated using the evaluation board built with design example on page 21 vaC=230v, vout = 19V, lou =4.7A, TA=25C, unless otherwise noted SCP Entry SCP Entry SCP then Power-on VOUT =19V, IOUT =0A OUT =19V, IOuT=4.7A VouT= 19V OUT 10V/di 10V/div. I G LG 10V/div 10V/div 10V/div 2A/div 2A/div 2A/div 400ms/div 400ms/div 200ms/diy HR1000ARev.1.02 www.Monolithicpower.com 2/24/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited o 2014 MPS. All Rights Reserved HR1000A- RESONANT HALF-BRIDGE CONTROLLER PIN FUNCTIONS Pn#「 NameDescription Soft-start. Connect an external capacitor with this pin to GNd and a resistor to Fset pin to set the maximum oscillator frequency and the time constant for the frequency shift during SS start-up. An internal switch discharges the capacitor when the chip turns off (VCC S UVLO vcc> 16V.bo<1.25V or>5.5V latCH>1.85V.cs>1.5V. timer> 2V. thermal shutdown) to guarantee soft-start when the current sense pin voltage exceeds 0.8V, and as long as it stays above 0.75V Period between over-current and shutdown connect a capacitor and a resistor from this pin to Gnd to set both the maximum duration from an over-current condition before the IC stops switching, and the delay before the IC resumes switching. Each time the CS pin voltage exceeds 0.8V, an internal 130uA source charges the capacitor; an external resistor 2 TIMER slowly discharges this capacitor. If the pin voltage reaches 2V, the soft-start capacitor discharges completely, pushing the switching frequency to its maximum value; the 130HA source remains on. When the voltage exceeds 3.5v the IC stops switching and the internal current source turns off so that the pin voltage decays. The IC enters soft-started when the voltage drops below 0. 3V. This allows the converter to work intermittently with very low average input power under short-circuit conditions Time-Set. An internal current source programmed by the external network connected to pin CT 4 charges and discharges a capacitor connected to GND. Determines the converters switching frequency Switching Frequency Set Provides a precise 2V reference. A resistor connected from this pin to gnd defines a current that sets the minimum oscillator frequency. Connect the phototransistor of an opto-coupler to this pin through a resistor to close the feedback loop 4 Fset that modulates the oscillator frequency to regulate the converter output voltage. The value of this resistor will set the maximum operating frequency. An R-C series connected from this pin to GND sets frequency shift at start-up to prevent excessive energy inrush(soft start) Burst-Mode Operation threshold the pin senses some voltage related to the feedback control, which is compared to an internal reference(1.25V). If the voltage on the pin is lower than the reference, the ic enters an idle state and reduces its quiescent current. the Burst chip resumes switching when the voltage exceeds the reference by 50mV. Soft-start is not invoked. This function enables burst-mode operation when the load falls below a programmed level, determined by connecting an appropriate resistor to the opto-coupler to pin Fset (see block diagram). Tie the pin to Fset if burst-mode is not used Primary-Current Sense. Uses a sense resistor or a capacitive divider to sense the primary current. The voltage signal requires an averaging filter because this input is not intended for cycle-by-cycle control. As the voltage exceeds a 0. 8V threshold (with 50mV hysteresis) the soft-start capacitor on pin 1 discharges internally: The frequency increases, limiting the power throughput Under an output short circuit, this normally results in a nearly-constant 6 Cspeak-primary current. A timer set on pin 2 limits the duration of this condition. If the current continues to build up despite the frequency increase, a second comparator referenced at 5V latches the device off and brings its consumption up to about pre-start-up levels. The information is latched, requiring cycling the Ic supply voltage to restart: The latch removed as the Vcc voltage drops below the UVLo threshold. Tie the pin to GNd if th function is not used HR1000ARev.1.02 www.Monolithicpower.com 10 2/24/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited o 2014 MPS. All Rights Reserved

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