aoz1210 Alpha & Omega Semiconductor, aoz1210 Datasheet
aoz1210
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aoz1210 Summary of contents
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... General Description The AOZ1210 is a high efficiency, simple to use, 2A buck regulator flexible enough to be optimized for a variety of applications. The AOZ1210 works from a 4.5V to 27V input voltage range, and provides continuous output current on each buck regulator output. The output voltage is adjustable down to 0.8V. ...
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... Package SO-8 for additional information. LX VBIAS 1 8 BST VIN 2 7 GND COMP 4 5 SO-8 (Top View) Pin Function IN pins need to be connected externally. IN www.aosmd.com AOZ1210 Environmental RoHS if not used. Do not leave the EN IN rises above the UVLO threshold the Page ...
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... Note: +150°C 2. The value of FR-4 board with 2oz. Copper still air environment with T -65°C to +150°C The value in any given application depends on the user's specific 2kV board design. www.aosmd.com AOZ1210 VIN + ISen – BST GND Parameter ...
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... Min. V Rising IN V Falling 1.2V, V > 2V OUT 0.782 Off Threshold On Threshold T Rising J T Falling 0V www.aosmd.com AOZ1210 Typ. Max. Units 4 4 µA 0.8 0.818 V 0 200 nA 0.6 V 2.5 200 mV 315 370 425 kHz 85 ...
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... Full Load (CCM) Operation Vin ripple 0.1V/div Vo ripple 20mV/div IL 1A/div VLX 20V/div 1 s/div Short Circuit Protection Vo 2V/div lin 0.5A/div 200 s/div Short Circuit Recovery Vo Ripple 200mV/div lo 1A/div 2ms/div www.aosmd.com AOZ1210 Vin ripple 0.1V/div Vo ripple 20mV/div IL 1A/div VLX 20V/div Vo 2V/div lL 2A/div Vo 2V/div IL 2A/div Page ...
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... Efficiency Curves Efficiency 100 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 Current (A) 100 Rev. 1.3 December 2007 100 95 3.3V OUTPUT 90 1.8V OUTPUT 1.8 2.0 2.2 0.2 0.4 0.6 Efficiency V = 24V IN 8.0V OUTPUT 5.0V OUTPUT 3.3V OUTPUT 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 Current (A) www.aosmd.com AOZ1210 Efficiency V = 12V IN 8.0V OUTPUT 5.0V OUTPUT 3.3V OUTPUT 0.8 1.0 1.2 1.4 1.6 1.8 2.0 Current (A) 1.8 2.0 2.2 Page 2.2 ...
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... IN not leave EN open. The voltage on the EN pin must be above 2 enable the AOZ1210. When voltage on EN pin falls below 0.6V, the AOZ1210 is disabled application circuit requires the AOZ1210 to be disabled, an open drain or open collector circuit should be used to interface with the EN pin. ...
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... Input Capacitor The input capacitor (C in Figure 1) must be connected to 1 the V pin and GND pin of the AOZ1210 to maintain IN steady input voltage and filter out the pulsing input current. The voltage rating of the input capacitor must be greater than maximum input voltage + ripple voltage. ...
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... Schottky diode should be greater than the maximum input voltage, and the current rating should be greater than the maximum load current. Loop Compensation The AOZ1210 employs peak current mode control for easy use and fast transient response. Peak current mode O control eliminates the double pole effect of the output L& ...
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... COMP pin sets the pole-zero and is adequate for a stable high-bandwidth control loop. In the AOZ1210, FB pin and COMP pin are the inverting input and the output of internal transconductance error amplifier. A series R and C compensation network connected to COMP provides one pole and one zero ...
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... – --------- - diode_loss The actual AOZ1210 junction temperature can be calculated with power dissipation in the AOZ1210 and thermal impedance from junction to ambient – junction total _loss inductor _loss ambient The maximum junction temperature of AOZ1210 is 145°C, which limits the maximum load current capability. ...
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... D E1 3.80 3.90 4. 1.27 BSC e E 5.80 6.00 6. 0.25 — 0. 0.40 — 1. — 8 www.aosmd.com AOZ1210 Seating Plane 0. Min. Nom. Max. 0.053 0.065 0.069 0.004 — 0.010 0.049 0.059 0.065 0.012 — 0.020 0.007 — 0.010 0.189 0.193 0.197 0.150 0.154 0.157 0.050 BSC ...
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... Rev. 1.3 December 2007 P1 See Note 1.50 12.00 1.75 5.50 8.00 4.00 0.10 0.10 0.10 0.10 0. 13.00 17.40 ø13.00 10.60 2.00 0.30 1.00 +0.50/-0.20 0.50 Components Tape Leader Tape Orientation in Pocket 500mm min. or 125 empty pockets www.aosmd.com AOZ1210 See Note 3 Feeding Direction 2.00 0.25 0.10 0.10 0. — — — Page ...
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... AOZ1210 Package Marking Fab & Assembly Location This datasheet contains preliminary data; supplementary data may be published at a later date. Alpha & Omega Semiconductor reserves the right to make changes at any time without notice. LIFE SUPPORT POLICY ALPHA & OMEGA SEMICONDUCTOR PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS ...