APE3312GN3 Advanced Power Electronics Corp., APE3312GN3 Datasheet
APE3312GN3
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APE3312GN3 Summary of contents
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Advanced Power Electronics Corp. FEATURES High Efficiency and Low Power Consumption 4700ppm/°C R Current Sense DS-ON Compensation Selectable Auto-Skip / PWM-Only Mode Low-Side R Current Sense DS-ON Positive and Negative Current Limit Integrate OV/UV and Thermal Shutdown Protections Integrated Boost ...
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Advanced Power Electronics Corp. TYPICAL APPLICATION RPG +5V 100k RTRIP RF 30k 470k RPG +5V 100k RTRIP 30k RF 470k U1 APE3312-DFN CBS 1 10 PGOOD BST 0.1uF 2 9 TRIP DRVH VFB V5IN ...
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Advanced Power Electronics Corp. ORDERING / PACKAGE INFORMATION APE3312X Package Type GN3: DFN 3x3-10L VN35: QFN 3.5x3.5-14L Top View DFN 3x3-10L 1 PGOOD 2 TRIP Exposed EN 3 Pad 4 VFB 5 RF GND Top View QFN 3.5x3.5-14L 1 14 ...
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Advanced Power Electronics Corp. ABSOLUTE MAXIMUM RATINGS VBST VBST to LX EN, TRIP, V5IN, V5DRV, V5FILT RF DRVH DRVH PGOOD, DRVL PGND, GND Storage Temperature Range (T Junction Temperature ( Lead Temperature (Soldering, 10sec.) Thermal ...
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Advanced Power Electronics Corp. ELECTRICAL SPECIFICATIONS (VIN=2.95 to 6V, T =25°C, unless otherwise specified) A PARAMETER SYM Input V Input Voltage Range V5IN V5IN Supply Current I V5IN V5IN Shutdown Current I V5IN-SD Output V Output Voltage Range FB Voltage ...
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Advanced Power Electronics Corp. ELECTRICAL SPECIFICATIONS º (T =25 C, unless otherwise specified) A PARAMETER SYM UVLO and LOGIC Threshold V UVLO Threshold V 5IN Switch Frequency EN Voltage Threshold EN Input Current Mode Setting Voltage Current Sense TRIP Source ...
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Advanced Power Electronics Corp. ELECTRICAL SPECIFICATIONS º (T =25 C, unless otherwise specified) A PARAMETER SYM Under-Voltage and Over-Voltage Protection V OVP Trip Threshold OVP Propagation FB T OVPDEL (Note1) delay V UVP Trip Threshold V FB ...
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Advanced Power Electronics Corp. PIN DESCRIPTIONS DFN-10L Package PIN No. PIN SYMBOL 1 PGOOD 2 TRIP VFB DRVL 7 V5IN DRVH 10 VBST Exposed GND Pad PIN DESCRIPTION Power good output ...
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Advanced Power Electronics Corp. QFN-14L Package PIN No. PIN SYMBOL PGOOD 3 TRIP VFB GND 8 PGND 9 DRVL 10 V5DRV 11 V5FILT DRVH 14 VBST PIN DESCRIPTION ...
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Advanced Power Electronics Corp. BLOCK DIAGRAM 0.7V SS Ramp VFB Comp 10uA TRIP Current LX Sense Frequency / Mode RF Selection EN - 30% 25% Delay -5% / -10% 25% Logic OCP Control System NCP / ZC PWM / PSM ...
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Advanced Power Electronics Corp. TYPICAL PERFORMANCE CHARACTERISTICS Fig.1 I vs. Temperature TRIP Fig.3 On Time vs. VIN Fig.5 Switching frequency vs. Output Current Fig.2 Switching Frequency vs. Temperature Fig.4 Switching Frequency vs. VIN Fig.6 Efficiency for Vo=1.05V APE3312 11 ...
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Advanced Power Electronics Corp. TYPICAL PERFORMANCE CHARACTERISTICS Fig.7 Line Regulation for Vo=1.05V Fig.9 Load Regulation for Vo=1.05V Fig.11 Start-up Waveforms, PWM mode VIN=9V, Vo=1.05V, Io=0A (Continued) Fig.8 Line Regulation for Vo=2. OUT PGOOD I LX Fig.10 ...
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Advanced Power Electronics Corp. TYPICAL PERFORMANCE CHARACTERISTICS Fig.13 Start-up Waveforms, PWM mode VIN=9V, Vo=1.05V, Io=20A LX V OUT I OUT Fig.15 VIN=9V, Vo=1.05V, PWM mode f =340kHz, L=1uH, Cout=330uF/9mΩ OUT I OUT Fig.17 VIN=9V, Vo=1.05V, PWM ...
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Advanced Power Electronics Corp. DETAIL DESCRIPTION The APE3312 synchronous buck controller is designed for low-voltage power supplies for notebook PC applications. The APE3312 control scheme is a constant-on-time, pseudo-fixed frequency, current-mode PWM controller and specifically designed for leading fast load ...
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Advanced Power Electronics Corp. DETAIL DESCRIPTION Auto-Skip Mode In auto-skip mode, the internal Zero-Cross comparator looks for inductor current. When the zero current is detected, the controller enters auto-skip mode and turns low-side MOSFET off on each cycle. If the ...
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Advanced Power Electronics Corp. DETAIL DESCRIPTION There is also a negative current limit in the forced continuous conduction mode that prevents excessive reverse inductor currents when VOUT is sinking current. The negative current limit detect threshold is approximate to the ...
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Advanced Power Electronics Corp. APPLICATION INFORMATION Inductor Selection The inductor value determines the ripple current and the ripple voltage of the converter. This inductor choice provides trade-offs between size vs. efficiency. Low inductor values cause large ripple currents, resulting in ...
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Advanced Power Electronics Corp. APPLICATION INFORMATION Stability Consideration The constant on-time, pseudo fixed frequency PWM scheme has natural frequency jitter order of noise on the feedback signal affects the frequency jitter from a few to ten percent of ...
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Advanced Power Electronics Corp. APPLICATION INFORMATION (Continued) Layout Considerations The switching power stages require more attention in PCB layout. Keep the high current paths short. Separate the ground terminals. Four-layer board is recommended. Use two middle layers as ground planes, ...
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Advanced Power Electronics Corp. MARKING INFORMATION DFN 3x3-10L 3312 YWWS QFN 3.5x3.5-14L 3312 YWWS Part Number Date Code (YWWS) Y:Year WW：Week S：Sequence Part Number Date Code (YWWS) Y:Year WW：Week S：Sequence APE3312 20 ...
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Advanced Power Electronics Corp. PACKAGE OUTLINE DFN 3x3-10L BOTTOM VIEW APE3312 Millimeters SYMBOLS MIN NOM A 0.70 0.85 A1 0.03 0.00 b 0.18 0.24 C 0.195 0.203 ...
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Advanced Power Electronics Corp. PACKAGE OUTLINE (Continued) QFN 3.5x3.5-14L BOTTOM VIEW APE3312 Millimeters SYMBOLS ...