Datasheet LTM2884 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | Isolated USB Transceiver with Isolated Power |
| Seiten / Seite | 24 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VCC = 5V, VBUS = 5V, GND … |
| Revision | C |
| Dateiformat / Größe | PDF / 1.3 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VCC = 5V, VBUS = 5V, GND = GND2 = 0V,. ON = 3.3V, unless otherwise noted
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LTM2884
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 5V, VBUS = 5V, GND = GND2 = 0V, ON = 3.3V, unless otherwise noted. VCC2 Ripple, VCC = 5V, VCC2 Ripple, VCC = 12V, ICC2 = 200mA ICC2 = 500mA VCC2 Start-Up Ramp CC2
LTM2884(a) LTM2884(a) LTM2884(a) VCC2 1V/DIV ON 50mV/DIV 50mV/DIV 2µs/DIV 2884 G10 2µs/DIV 2884 G11 400µs/DIV 2884 G12
VCC2 = Load Step Response, VCC2 = Load Step Response, 0mA to 500mA (VCC 0mA to 500mA (V = 12V) 0mA to 200mA (V CC = 12V) CC CC = 5V) ICC vs Temperature CC
70 LTM2884(a) LTM2884(a) ICC2 = 0mA VCC = 4.4V 60 VCC2 500mV/DIV 50 VCC = 5V VCC2 500mV/DIV I 40 CC2 200mA/DIV VCC = 8.1V ICC2 30 200mA/DIV Y CURRENT (mA) VCC = 12V 20 SUPPL V LTM2884(a) CC = 16.5V 100µs/DIV 2884 G13 100µs/DIV 2884 G14 10 0–50 –25 0 25 50 75 100 125 TEMPERATURE (°C) 2884 G15
Upstream VBUS Droop During VCC2 Droop/Plug-In Response CC2 Plug-In with CLOAD LOAD= 100µF Full Speed Data Start of Packet
LTM2884(a) LTM2884(a) HOST D2+ VBUS V 1V/DIV CC 1V/DIV PLUG IN TO HOST 500mV/DIV VCC2 1V/DIV ISOLATED VCC2 2V/DIV D2– 200µs/DIV 2884 G16 500µs/DIV 2884 G17 100ns/DIV 2884 G18 Rev. C For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Switching Characteristics Isolation Characteristics Regulatory Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Functional Table Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 5V, VBUS = 5V, GND = GND2 = 0V, ON = 3.3V, unless otherwise noted. VCC2 Ripple, VCC = 5V, VCC2 Ripple, VCC = 12V, ICC2 = 200mA ICC2 = 500mA VCC2 Start-Up Ramp CC2
LTM2884(a) LTM2884(a) LTM2884(a) VCC2 1V/DIV ON 50mV/DIV 50mV/DIV 2µs/DIV 2884 G10 2µs/DIV 2884 G11 400µs/DIV 2884 G12
VCC2 = Load Step Response, VCC2 = Load Step Response, 0mA to 500mA (VCC 0mA to 500mA (V = 12V) 0mA to 200mA (V CC = 12V) CC CC = 5V) ICC vs Temperature CC
70 LTM2884(a) LTM2884(a) ICC2 = 0mA VCC = 4.4V 60 VCC2 500mV/DIV 50 VCC = 5V VCC2 500mV/DIV I 40 CC2 200mA/DIV VCC = 8.1V ICC2 30 200mA/DIV Y CURRENT (mA) VCC = 12V 20 SUPPL V LTM2884(a) CC = 16.5V 100µs/DIV 2884 G13 100µs/DIV 2884 G14 10 0–50 –25 0 25 50 75 100 125 TEMPERATURE (°C) 2884 G15
Upstream VBUS Droop During VCC2 Droop/Plug-In Response CC2 Plug-In with CLOAD LOAD= 100µF Full Speed Data Start of Packet
LTM2884(a) LTM2884(a) HOST D2+ VBUS V 1V/DIV CC 1V/DIV PLUG IN TO HOST 500mV/DIV VCC2 1V/DIV ISOLATED VCC2 2V/DIV D2– 200µs/DIV 2884 G16 500µs/DIV 2884 G17 100ns/DIV 2884 G18 Rev. C For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Switching Characteristics Isolation Characteristics Regulatory Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Functional Table Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts