aoz1605 Alpha & Omega Semiconductor, aoz1605 Datasheet
aoz1605
Related parts for aoz1605
aoz1605 Summary of contents
Page 1
... The AOZ1605 operates from a 2 5.5 V input voltage range and provides up to 500 mA of output current with an output voltage adjustable down to 0.6 V. The AOZ1605 is available in a tiny 8-pin DFN package and is rated over a -40 °C to +85 °C ambient temperature range. ...
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... Analog Ground Rev. 1.0 March 2011 Temperature Marking Range 0 -40 °C to +85 °C for additional information. PGND VIN 7 AGND AGND 2mm x 2mm DFN-8 Package (Top View) Pin Function www.aosmd.com AOZ1605 Package Environmental DFN-8 Green Product Page ...
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... Conditions load AGND T = +25 °C, no load A = -40 °C to +85 °C, no load 2 5 500 mA load www.aosmd.com AOZ1605 Parameter Rating ) 2 5 -40 °C to +85 ° Internally Limited J Θ °C/W JA Min. Typ. Max 2.5 5 ...
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... Feedback to Analog Ground. The resistor from FB to Analog Ground should be 100 kΩ to keep the current drawn through this network below the 6 μA quiencent current level in PFM mode. The output voltage of the adjustable AOZ1605 parts ranges from 0 3.3 V. The output voltage formula is: ⎛ ⎞ ...
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... Switching Frequency vs. Temperature 3.20 3.15 3.10 3.05 3.00 2.95 Vin = 4.5 V 2.90 2.85 2.80 2.75 -25 100 1000 www.aosmd.com AOZ1605 Temperature ( C) Efficiency vs. Output Current (Vout = 1 1.0 µH) Vin = 3 100 Output Current (mA) Efficiency vs. Output Current (Vout = 2.5V 1.0µH) Vin = 3 100 Output Current (mA) Vin = 5.0 V Vin = 3 Page ...
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... OUT = 1.8V OUT Mode Change by Load Transients 2V/div I L 50mV/div AC Coupled V OUT 50mA 5mA I OUT www.aosmd.com AOZ1605 - Temperature (°C) Start Up (Output Current = 500mA) 3V/DIV 500mA/DIV 1V/DIV 5V/DIV 50µS/DIV Load Transient Response = 1.8V (PFM Mode, 0.5mA to 50mA) 2V/div 50mV/div AC Coupled ...
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... Startup into PFM Mode V = 1.8V (Output Current = 5mA) OUT V SW 2V/div 500mA/div V OUT 100mV/div AC Coupled 300mA EN 5mA Steady State PWM Mode V = 1.8V (Output Current = 500mA) OUT V SW 2V/div I 1V/div L 2V/div V OUT www.aosmd.com AOZ1605 2V/div 1V/div 2V/div 100μs/div 2V/div 500mA/div 20mV/div 200ns/div Page ...
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... The AOZ1605 is a high efficiency step down DC-DC buck converter that operates typically at 3 MHz fixed Pulse Width Modulation (PWM) at medium to heavy load currents. The AOZ1605 can deliver a constant voltage from a single Li-Ion battery with an input voltage rail from 2 ...
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... EMI requirement, price and size. Input Capacitor The input capacitor must be connected to the V PGND pin of AOZ1605 to maintain steady input voltage and filter out the pulsing input current. The voltage rating of input capacitor must be greater than maximum input voltage plus ripple voltage. For greater capacitor performance, the working capacitance voltage should be twice Vin ...
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... The undervoltage lockout threshold is typically 2.3 Volts. Soft Start The AOZ1605 has a soft-start circuit that limits the inrush current during startup. Soft start is activated when EN goes from logic low to logic high after Vin reaches 2.3 Volts. ...
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... EN pin to VIN if enable function is not used. Pull it to ground will disable the AOZ1605. Do not leave it open. The voltage on EN pin must be above enable the AOZ1605. When voltage on EN pin falls below 0.6 V, the AOZ1605 is disabled application circuit requires the AOZ1605 to be disabled, an open drain or open collector circuit should be used to interface to EN pin ...
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... The AOZ1605 is an exposed pad DFN-8 package. Several layout tips are listed below for the best electric and thermal performance. 1. The exposed pad is connected to PGND. Connect a large copper plane to this pad to help thermal dissipation not use thermal relief connection from the VIN pin and the PGND pin ...
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... REF. D 2.00 BSC D1 1.35 1.50 1.70 E 2.00 BSC E1 0.75 0.90 e 0.50 BSC L 0.20 0.30 R 0.20 aaa 0.15 bbb 0.10 ccc 0.10 ddd 0.08 www.aosmd.com AOZ1605 b E Pin #1 ID Option BOTTOM VIEW Pin #1 ID Option 2 Chamfer 0 BOTTOM VIEW Dimensions in inches Max. Symbols Min. Nom. Max. 0.80 A 0.028 0.030 0.031 0.05 A1 0.000 0.001 0.002 0.30 b 0.007 ...
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... 1.00 1.50 1.00 8.00 1.75 ± 0.05 +0.1/-0 +0.25/-0 +0.30/-0.10 ± 0. ø180.00 60.0 8.4 13.0 ± 0.50 ± 0.50 +1.5/-0.0 ± 0.20 Components Tape Orientation in Pocket www.aosmd.com AOZ1605 Feeding Direction 3.50 4.00 4.00 2.00 0.254 ± 0.05 ± 0.10 ± 0.10 ± 0.10 ± 0. 1.5 13.5 3.0 Min. Min. ± 0.50 Leader Tape 500mm Min. ...
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... Option Code Assembly Lot 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 AOZ1605 Page ...