Datasheet MAX1682, MAX1683 (Maxim) - 4
Manufacturer | Maxim |
Description | Switched-Capacitor Voltage Doublers |
Pages / Page | 9 / 4 — Switched-Capacitor Voltage Doublers. Typical Operating Characteristics … |
File Format / Size | PDF / 181 Kb |
Document Language | English |
Switched-Capacitor Voltage Doublers. Typical Operating Characteristics (continued). MAX1682 OSCILLATOR FREQUENCY
Model Line for this Datasheet
Text Version of Document
Switched-Capacitor Voltage Doublers Typical Operating Characteristics (continued)
(Typical Operating Circuit, VIN = +5V, C1 = C2 = 10µF for the MAX1682 and 3.3µF for the MAX1683, TA = +25°C, unless otherwise noted.)
MAX1682 OSCILLATOR FREQUENCY MAX1683 OSCILLATOR FREQUENCY MAX1682 OUTPUT VOLTAGE vs. TEMPERATURE vs. TEMPERATURE vs. OUTPUT CURRENT
12.5 40 10 9 38 VIN = 5V V 8 IN = 5V MAX1682/83 TOC10 MAX1682/83 TOC11 VIN = 5V MAX1682/83 TOC12 7 12.0 36 VIN = 3.3V 6 VIN = 3.3V 34 5 4 VIN = 2V 11.5 32 VIN = 3.3V OUTPUT VOLTAGE (V) 3 VIN = 2V OSCILLATOR FREQUENCY (kHz) V OSCILLATOR FREQUENCY (kHz) IN = 2V 2 30 1
MAX1682/MAX1683
11.0 28 0 -40 -20 0 20 40 60 80 -40 -20 0 20 40 60 80 0 5 10 15 20 25 30 35 40 45 50 TEMPERATURE (°C) TEMPERATURE (°C) OUTPUT CURRENT (mA)
MAX1683 OUTPUT VOLTAGE MAX1682 EFFICIENCY vs. MAX1683 EFFICIENCY vs. vs. OUTPUT CURRENT LOAD CURRENT LOAD CURRENT
10 100 100 9 98 98 VIN = 5V VIN = 5V 8 96 96 VIN = 5V MAX1682/83 TOC13 MAX1682/83 TOC14 MAX1682/83 TOC15 7 94 94 VIN = 3.3V 6 92 92 5 V 90 VIN = 2V VIN = 3.3V 90 IN = 2V 4 V V IN = 2V 88 88 IN = 3.3V EFFICIENCY (%) EFFICIENCY (%) OUTPUT VOLTAGE (V) 3 86 86 2 84 84 1 82 82 0 80 80 0 5 10 15 20 25 30 35 40 45 50 0 5 10 15 20 25 30 0 5 10 15 20 25 30 OUTPUT CURRENT (mA) LOAD CURRENT (mA) LOAD CURRENT (mA)
MAX1682 MAX1683 START-UP VOLTAGE OUTPUT RIPPLE OUTPUT RIPPLE vs. RESISTIVE LOAD
2.5 MAX1683 MAX1682toc16 MAX1682toc17 2.0 MAX1682toc18 1.5 (V) VOUT VOUT 20mV/div 20mV/div V START MAX1682 1.0 0.5 0 20μs/div 20μs/div 700 300 100 70 30 10 7 3 1 0.7 0.3 ILOAD = 5mA, VIN = 5V, C1 = C2 = 10μF ILOAD = 5mA, VIN = 5V, C1 = 3.3μF, C2 = 10μF RLOAD (kΩ)
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