Datasheet LT3587 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | High Voltage Monolithic Inverter and Dual Boost |
| Pages / Page | 24 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are at TA = 25°C … |
| File Format / Size | PDF / 410 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are at TA = 25°C unless otherwise noted. Switching Frequency
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LT3587
TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are at TA = 25°C unless otherwise noted. Switching Frequency Switches Current Limit vs Temperature Switches VCESAT vs Current vs Temperature
1.20 0.5 1.2 VVIN = 3.6V VVIN = 3.6V VVIN = 3.6V DUTY CYCLE = 60% 1.0 0.4 1.10 SW3 SW2 SW1 SW1 SW2 0.8 0.3 (V) T 1.00 0.6 CESAV 0.2 SW3 FREQUENCY (MHz) 0.4 CURRENT LIMIT (A) 0.90 0.1 0.2 0.80 0 0 –50 –25 0 25 50 75 100 125 0 0.2 0.4 0.6 0.8 1 1.2 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) SW CURRENT (A) TEMPERATURE (°C) 3587 G08 3587 G09 3587 G10
Switches Current Limit SW1 and SW2 Current Limit SW3 Current Limit vs Duty Cycle vs EN/SS1 Voltage vs EN/SS3 Voltage
2.5 1.6 0.5 VVIN = 3.6V VVIN = 3.6V VVIN = 3.6V DUTY CYCLE = 60% SW2 SW3 2.0 0.4 1.2 SW2 1.5 SW1 0.3 SW1 0.8 1.0 0.2 CURRENT LIMIT (A) CURRENT LIMIT (A) CURRENT LIMIT (A) 0.4 0.5 SW3 0.1 0 0 0 0 10 20 30 40 50 60 70 80 90 100 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 DUTY CYCLE (%) EN/SS1 VOLTAGE (V) EN/SS3 VOLTAGE (V) 3587 G11 3587 G12 3587 G13
Output Disconnects On Resistance Output Disconnects Current Limit EN/SS1, EN/SS3 Pull-Up Current vs Temperature (R vs Temperature In Shutdown vs Temperature DISC1, RDISC3)
14 200.0 1.50 VVIN = 3.6V VVIN = 3.6V VVIN = 3.6V IVOUT1 = 50mA VVOUT1 = VVOUT3 = 15V EN/SS1 = EN/SS3 = 0V 12 IVOUT3 = 20mA 167.5 1.25 10 RDISC3 IVOUT1 ANCE (Ω) 8 135.0 1.00 R 6 DISC1 ON RESIST 102.5 PULL-UP CURRENT (μA) 0.75 4 IVOUT3 2 OUTPUT DISCONNECTS CURRENT LIMIT (mA) 70 0.50 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3587 G14 3587 G15 3587 G16 3587fc 5
TYPICAL PERFORMANCE CHARACTERISTICS Specifi cations are at TA = 25°C unless otherwise noted. Switching Frequency Switches Current Limit vs Temperature Switches VCESAT vs Current vs Temperature
1.20 0.5 1.2 VVIN = 3.6V VVIN = 3.6V VVIN = 3.6V DUTY CYCLE = 60% 1.0 0.4 1.10 SW3 SW2 SW1 SW1 SW2 0.8 0.3 (V) T 1.00 0.6 CESAV 0.2 SW3 FREQUENCY (MHz) 0.4 CURRENT LIMIT (A) 0.90 0.1 0.2 0.80 0 0 –50 –25 0 25 50 75 100 125 0 0.2 0.4 0.6 0.8 1 1.2 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) SW CURRENT (A) TEMPERATURE (°C) 3587 G08 3587 G09 3587 G10
Switches Current Limit SW1 and SW2 Current Limit SW3 Current Limit vs Duty Cycle vs EN/SS1 Voltage vs EN/SS3 Voltage
2.5 1.6 0.5 VVIN = 3.6V VVIN = 3.6V VVIN = 3.6V DUTY CYCLE = 60% SW2 SW3 2.0 0.4 1.2 SW2 1.5 SW1 0.3 SW1 0.8 1.0 0.2 CURRENT LIMIT (A) CURRENT LIMIT (A) CURRENT LIMIT (A) 0.4 0.5 SW3 0.1 0 0 0 0 10 20 30 40 50 60 70 80 90 100 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 DUTY CYCLE (%) EN/SS1 VOLTAGE (V) EN/SS3 VOLTAGE (V) 3587 G11 3587 G12 3587 G13
Output Disconnects On Resistance Output Disconnects Current Limit EN/SS1, EN/SS3 Pull-Up Current vs Temperature (R vs Temperature In Shutdown vs Temperature DISC1, RDISC3)
14 200.0 1.50 VVIN = 3.6V VVIN = 3.6V VVIN = 3.6V IVOUT1 = 50mA VVOUT1 = VVOUT3 = 15V EN/SS1 = EN/SS3 = 0V 12 IVOUT3 = 20mA 167.5 1.25 10 RDISC3 IVOUT1 ANCE (Ω) 8 135.0 1.00 R 6 DISC1 ON RESIST 102.5 PULL-UP CURRENT (μA) 0.75 4 IVOUT3 2 OUTPUT DISCONNECTS CURRENT LIMIT (mA) 70 0.50 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3587 G14 3587 G15 3587 G16 3587fc 5
