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7440530047 データシート(PDF) 4 Page - Skyworks Solutions Inc. |
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7440530047 データシート(HTML) 4 Page - Skyworks Solutions Inc. |
4 / 19 page 4 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 201998B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013 AAT1162 12V, 1.5A Step-Down DC/DC Converter DATA SHEET Electrical Characteristics1 4.0V < VIN < 13.2V. CIN = COUT = 22μF; L = 2.2 or 3.8μH, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C. Symbol Description Conditions Min Typ Max Units VIN Input Voltage Range 4.0 13.2 V VUVLO Input Under-Voltage Lockout Rising 4.0 V Hysteresis 0.3 IQ Supply Current No Load 150 300 μA ISHDN Shutdown Current VEN = GND 1 μA VOUT Output Voltage Range 0.6 0.94 VIN V VOUT Output Voltage Accuracy IOUT = 0A to 1.5A -2.5 2.5 % VOUT/ VOUT/VIN Line Regulation VIN = 4.5V to 13.2V 0.023 0.100 %/V VOUT/ IOUT Load Regulation VIN = 12V, VOUT = 5V, IOUT = 0A to 1.5A 0.4 % VFB Feedback Reference Voltage (adjustable version) No Load, TA = 25°C 0.59 0.60 0.61 V IFBLEAK FB Leakage Current VOUT = 1.2V Adjustable Version 0.2 μA Fixed Version 2 FOSC PWM Oscillator Frequency 0.6 0.8 1 MHz Foldback Frequency 200 kHz DC Maximum Duty Cycle 94 % TON Minimum Turn-On Time 100 ns TS Soft-Start Time 2ms RDS(ON)H P-Channel On Resistance VIN = 12V 0.12 VIN = 6V 0.15 RDS(ON)L N-Channel On Resistance VIN = 12V 0.06 VIN = 6V 0.08 Efficiency VIN = 12V, VOUT = 5V, IOUT = 1.5A 90 % ILIM PMOS Current Limit 4.0 6.0 A ILXLEAK LX Leakage Current VIN = 13.2V, VLX = 0 to VIN 1 μA TSD Over-Temperature Shutdown Threshold 140 °C THYS Over-Temperature Shutdown Hysteresis 25 °C VIL EN Logic Low Input Threshold 0.4 V VIH EN Logic High Input Threshold 1.4 V IEN EN Input Current VEN = 0V, VEN = 13.2V -1.0 1.0 μA 1. The AAT1162 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla- tion with statistical process controls. |
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同様の説明 - 7440530047 |
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