aoz1233-01 Alpha & Omega Semiconductor, aoz1233-01 Datasheet
aoz1233-01
Related parts for aoz1233-01
aoz1233-01 Summary of contents
Page 1
... V under-voltage lockout, cycle-by-current CC limit, output over-voltage protection, short-circuit protection, as well as thermal shutdown. The AOZ1233-01 is available in a 30-pin 5mm ×5mm QFN package and is rated over a -40°C to +85°C ambient temperature range. Rev. 1.0 October 2011 AOZ1233-01 28V/8A Synchronous EZBuck™ Regulator Features • ...
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... BST C5 VCC 0.1µF AOZ1233-01 LX PGOOD AGND SS SS PGND Analog Ground Power Ground R TON IN TON AIN BST C5 VCC 0.1µF AOZ1233-01 LX PGOOD AGND SS SS PGND Analog Ground Power Ground www.aosmd.com AOZ1233-01 Output R1 C3 100µF R2 Output R1 C3 100µF R2 Page ...
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... Rev. 1.0 October 2011 R TON IN TON AIN BST C5 VCC 0.1µF C4 AOZ1233-01 1µF LX PGOOD PFM AGND PGND Analog Ground Power Ground Package 30-Pin 5mm x 5mm QFN for additional information. www.aosmd.com AOZ1233-01 Output R1 C3 100µF R2 Environmental Green Product Page ...
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... PGOOD is pulled low during soft-start and shut down. Enable Input. The AOZ1233-01 is enabled when EN is pulled high. The device shuts down when EN is pulled low. ...
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... On threshold PFM Mode threshold Force PWM threshold R = 100kΩ 12V TON 100kΩ 24V TON 0.001µF to 0.1µ www.aosmd.com AOZ1233-01 Rating (1) ) 2.7V to 28V IN 0.8V to 0.85*V ) -40°C to +85°C A 25°C/W 20°C/W 50°C/W and AIN to external 5V for V = 2. Min. ...
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... V = 12V 12V =0V 12V = rising J T falling J www.aosmd.com AOZ1233-01 Typ. Max Units 0.5 V ±1 µ - µs -25 -20 % 128 µ mΩ µA 10 12.5 mΩ ...
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... TON Q Timer PFM TON TON Generator Rev. 1.0 October 2011 BST AIN LDO UVLO TOFF_MIN Q Timer Error Comp ILIM Comp Vcc Light Load Comp Light Load ISENCE Threshold www.aosmd.com AOZ1233-01 IN PGood PG Logic LX Current ISENSE (DC) Information ISENSE (AC) Processing PGND AGND Page ...
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... Typical Performance Characteristics Circuit of Figure 25° 12V Rev. 1.0 October 2011 = 1.05V 400kHz unless otherwise specified. OUT www.aosmd.com AOZ1233-01 Page ...
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... The operating frequency range of 100kHz to 1MHz enables optimizing the configuration for PCB area and efficiency. The input voltage of AOZ1233-01 can be as low as 2.7V. The highest input voltage of AOZ1233-01 can be 28V. Constant on-time PWM with input feed- forward control scheme results in ultra-fast transient ...
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... Output Voltage Under-Voltage Protection If the output voltage is lower than 25% by over-current or short circuit, the AOZ1233-01 will wait for 128µs (typical) and turns-off both high-side and low-side MOSFETs and latches off. When triggered, only the enable can restart the AOZ1233-01 again. ...
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... Input capacitor The input capacitor must be connected to the IN pins and PGND pin of the AOZ1233-01 to maintain steady input voltage and filter out the pulsing input current. A small decoupling capacitor, usually 1µF, should be connected to the VCC pin and AGND pin for stable operation of the AOZ1233-01 ...
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... DCR of inductor and output current. P indcutor _ loss The actual junction temperature can be calculated with power dissipation in the AOZ1233-01 and thermal impedance from junction to ambient junction The maximum junction temperature of AOZ1233-01 is 150ºC, which limits the maximum load current capability ...
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... Keep sensitive signal traces such as feedback trace far away from the LX pins. 10. Pour copper plane on all unused board area and connect it to stable DC nodes, like VIN, GND or VOUT. www.aosmd.com AOZ1233-01 should be connected VCC Page ...
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... Package Dimensions, QFN 5x5, 30 Lead EP3_S Rev. 1.0 October 2011 www.aosmd.com AOZ1233-01 Page ...
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... L 0.436 0.536 L1 0.066 0.166 L2 0.39 0.49 L3 0.76 0.86 L4 0.27 0.37 L5 0.15 aaa 0.10 bbb 0.10 ccc 0.08 ddd www.aosmd.com AOZ1233-01 Min. Nom. Max. 0.031 0.035 0.039 0.000 0.001 0.002 0.08 REF 0.008 0.010 0.014 0.197 BSC 0.083 0.087 0.091 0.038 0.042 0.046 0.140 0.144 0.148 0.197 BSC 0.051 0.055 0.59 ...
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... 1.50 12.00 1.75 1.50 ±0.3 Min. +0.10/-0 ±0. ø79.0 12.4 17.0 ø13.0 ±1.0 +2.0/-0.0 +2.6/-1.2 ±0.5 ComponentsTape Orientationin Pocket www.aosmd.com AOZ1233- Feeding Direction 5.50 8.00 4.00 2.00 0.30 ±0.05 ±0.10 ±0.10 ±0.05 ±0. 10.5 2.0 — — — ...
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... FAYWLT Assembly Lot Code Year & Week Code 2. A critical component in any component of a life support, device, or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system affect its safety or effectiveness. www.aosmd.com AOZ1233-01 Page ...