Datasheet LT3495, LT3495B, LT3495-1, LT3495B-1 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 650mA Micropower Low Noise Boost Converter with Output Disconnect |
| Seiten / Seite | 16 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C unless otherwise noted. … |
| Dateiformat / Größe | PDF / 647 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C unless otherwise noted. Output Disconnect PMOS Current. Line Regulation
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LT3495/LT3495B/ LT3495-1/LT3495B-1
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. Output Disconnect PMOS Current Line Regulation vs CAP to VOUT Voltage Difference
0.30 600 0.25 500 400 0.20 AFTER START-UP 300 0.15 TAGE CHANGE (%) 200 IN START-UP 0.10 PMOS CURRENT (mA) 100 OUTPUT VOL 0.05 IN SHUTDOWN 0 0 –100 0 4 8 12 16 0 2 4 6 8 10 12 VCC VOLTAGE (V) CAP TO VOUT VOLTAGE DIFFERENCE (V) 3495 G19 3495 G20
LT3495 Start-Up Waveforms
SHDN VOLTAGE 5V/DIV INDUCTOR CURRENT 500mA/DIV CAP VOLTAGE 5V/DIV VOUT VOLTAGE 5V/DIV 50µs/DIV VCC = 3.6V 3495 G21 VOUT = 16V FIGURE 7 CIRCUIT
LT3495 Transient Response LT3495-1 Transient Response
20mA → 60mA → 20mA LOAD PULSE 10mA → 30mA → 10mA LOAD PULSE VOUT VOLTAGE 200mV/DIV VOUT VOLTAGE AC COUPLED 200mV/DIV AC COUPLED INDUCTOR CURRENT 500mA/DIV INDUCTOR CURRENT 200mA/DIV LOAD CURRENT LOAD CURRENT 20mA/DIV 20mA/DIV 20µs/DIV 20µs/DIV VCC = 3.6V 3495 G22 VCC = 3.6V 3495 G23 VOUT = 16V VOUT = 16V FIGURE 7 CIRCUIT FIGURE 9 CIRCUIT 3495b1b1fa 6 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Infomation Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted. Output Disconnect PMOS Current Line Regulation vs CAP to VOUT Voltage Difference
0.30 600 0.25 500 400 0.20 AFTER START-UP 300 0.15 TAGE CHANGE (%) 200 IN START-UP 0.10 PMOS CURRENT (mA) 100 OUTPUT VOL 0.05 IN SHUTDOWN 0 0 –100 0 4 8 12 16 0 2 4 6 8 10 12 VCC VOLTAGE (V) CAP TO VOUT VOLTAGE DIFFERENCE (V) 3495 G19 3495 G20
LT3495 Start-Up Waveforms
SHDN VOLTAGE 5V/DIV INDUCTOR CURRENT 500mA/DIV CAP VOLTAGE 5V/DIV VOUT VOLTAGE 5V/DIV 50µs/DIV VCC = 3.6V 3495 G21 VOUT = 16V FIGURE 7 CIRCUIT
LT3495 Transient Response LT3495-1 Transient Response
20mA → 60mA → 20mA LOAD PULSE 10mA → 30mA → 10mA LOAD PULSE VOUT VOLTAGE 200mV/DIV VOUT VOLTAGE AC COUPLED 200mV/DIV AC COUPLED INDUCTOR CURRENT 500mA/DIV INDUCTOR CURRENT 200mA/DIV LOAD CURRENT LOAD CURRENT 20mA/DIV 20mA/DIV 20µs/DIV 20µs/DIV VCC = 3.6V 3495 G22 VCC = 3.6V 3495 G23 VOUT = 16V VOUT = 16V FIGURE 7 CIRCUIT FIGURE 9 CIRCUIT 3495b1b1fa 6 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Infomation Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts