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MAX828 Datasheet(PDF) 2 Page - ON Semiconductor |
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MAX828 Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 12 page ![]() MAX828 MAX829 http://onsemi.com 2 PIN DESCRIPTION Pin No. Symbol Description 1 OUT Inverting charge pump output 2 VIN Positive power supply input 3 C– Commutation capacitor negative terminal 4 GND Ground 4 C+ Commutation capacitor positive terminal ABSOLUTE MAXIMUM RATINGS* Symbol Parameter Value Unit Input Voltage (VIN to GND) +6.0, – 0.3 V Output Voltage (OUT to GND) –6.0, +0.3 V Current at OUT Pin 50 mA Short–Circuit Duration – OUT to GND Indefinite TA Operating Temperature Range –40 to +85 °C PD Power Dissipation (TA ≤ 70°C) SOT–23–5 Derate by 4mW/ °C for TA > 70°C 240 mW Tstg Storage Temperature Range –65 to +150 °C Tsol Lead Temperature (Soldering, 10 Seconds) +300 °C * Maximum Ratings are those values beyond which damage to the device may occur. ELECTRICAL CHARACTERISTICS (TA = 0°C to +85°C, VIN = +5V, C1 = C2 = 10µF (MAX828), C1 = C2 = 3.3µF (MAX829), unless otherwise noted . Typical values are at TA = 25°C.) Symbol Characteristic Min Typ Max Unit IDD Supply Current (TA = 25°C) MAX828 MAX829 — — 50 115 90 260 µA V+ Supply Voltage Range (RLOAD = 10kW) — — 5.5 V FOSC Oscillator Frequency (TA = 25°C) MAX828 MAX829 8.4 24.5 12 35 15.6 45.5 kHz PEFF Power Efficiency ILOAD = 3mA, TA = 25°C — 96 — % VEFF Voltage Conversion Efficiency (RLOAD = R) 95 99.9 % ROUT Output Resistance (Note 1.) IOUT = 5mA, TA = 25°C TA = 0°C to +85°C — — 25 — 50 65 W 1. Capacitors C1 and C2 contribution is approximately 20% of the output impedance. For additional information, refer to Equation 1 in the Applications Information section. ELECTRICAL CHARACTERISTICS (TA = –40°C to +85°C, VIN = +5V, C1 = C2 = 10µF (MAX828), C1 = C2 = 3.3µF (MAX829), unless otherwise noted . Typical values are at TA = 25°C.) (Note 2.) Symbol Characteristic Min Typ Max Unit IDD Supply Current MAX828 MAX829 — — — — 115 325 µA Vin Supply Voltage Range (RLOAD = 10kW) 1.5 — 5.5 V FOSC Oscillator Frequency MAX828 MAX829 6.0 19 — — 20 54.3 kHz ROUT Output Resistance (IOUT = 5mA) — — 65 W 2. All –40 °C to +85°C specifications are guaranteed by design. |