Datasheet LTM4663 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | Ultrathin 1.5A µModule Thermoelectric Cooler (TEC) Regulator |
| Seiten / Seite | 22 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| Dateiformat / Größe | PDF / 2.1 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VTEC Voltage Reading Error vs
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LTM4663
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VTEC Voltage Reading Error vs TEC Voltage in Heating Mode Cooling/Heating Mode Transition
20 VIN = 3.3V
VLDR (TEC+)
15 VIN = 5V 10
VPWM (TEC–)
5
TEC CURRENT
0
4
TAGE READING ERROR (%) –5 VOL –10 V TEC –15
1
–20
CH1 500mV BW CH2 500mV BW M200ms A CH4 –108mA
–2.5 –2.0 –1.5 –1.0 –0.5
CH4 200mA Ω BW T –28.000ms
4663 G11 TEC VOLTAGE (V) 4663 G10
Typical Enable Waveforms in Typical Enable Waveforms in Cooling Mode, VIN = 3.3 V, Heating Mode, VIN = 3.3V, Load = 2Ω, TEC Current = 0.5A Load = 2Ω, TEC Current = –0.5A EN EN 3 3 TEC CURRENT TEC CURRENT 4 4 VLDR (TEC+) VPWM (TEC–) VPWM (TEC–) VLDR (TEC+) 1 2 CH1 1V B B B W CH2 1V BW CH3 2V BW M20.0ms A CH3 800mV CH1 1V W CH2 1V W CH3 2V BW M20.0ms A CH3 800mV CH4 500mA Ω BW T 40ms CH4 500mA Ω BW T 40ms
4663 G12 4663 G13
Typical Switch and Voltage Ripple Typical Switch and Voltage Ripple Waveforms in Heating Mode, Waveforms in Cooling Mode VIN = 3.3V, Load = 2Ω, VIN = 3.3V, Load = 2Ω, TEC TEC Current = –1A Current = 1A SW SW 3 3 VLDR (TEC+) VLDR (TEC+) 1 1 VPWM (TEC–) VPWM (TEC–) 2 2 CH1 20mV BW CH2 20mV BW M400ns A CH3 1.00V CH1 20mV BW CH2 20mV BW M400ns A CH3 1.00V CH3 2.0V BW T 0.0s 2.50GS/s CH3 2.0V BW T 0.0s 2.50GS/s
4663 G14 4663 G15 Rev. 0 For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photo Package Description Design Resources Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VTEC Voltage Reading Error vs TEC Voltage in Heating Mode Cooling/Heating Mode Transition
20 VIN = 3.3V
VLDR (TEC+)
15 VIN = 5V 10
VPWM (TEC–)
5
TEC CURRENT
0
4
TAGE READING ERROR (%) –5 VOL –10 V TEC –15
1
–20
CH1 500mV BW CH2 500mV BW M200ms A CH4 –108mA
–2.5 –2.0 –1.5 –1.0 –0.5
CH4 200mA Ω BW T –28.000ms
4663 G11 TEC VOLTAGE (V) 4663 G10
Typical Enable Waveforms in Typical Enable Waveforms in Cooling Mode, VIN = 3.3 V, Heating Mode, VIN = 3.3V, Load = 2Ω, TEC Current = 0.5A Load = 2Ω, TEC Current = –0.5A EN EN 3 3 TEC CURRENT TEC CURRENT 4 4 VLDR (TEC+) VPWM (TEC–) VPWM (TEC–) VLDR (TEC+) 1 2 CH1 1V B B B W CH2 1V BW CH3 2V BW M20.0ms A CH3 800mV CH1 1V W CH2 1V W CH3 2V BW M20.0ms A CH3 800mV CH4 500mA Ω BW T 40ms CH4 500mA Ω BW T 40ms
4663 G12 4663 G13
Typical Switch and Voltage Ripple Typical Switch and Voltage Ripple Waveforms in Heating Mode, Waveforms in Cooling Mode VIN = 3.3V, Load = 2Ω, VIN = 3.3V, Load = 2Ω, TEC TEC Current = –1A Current = 1A SW SW 3 3 VLDR (TEC+) VLDR (TEC+) 1 1 VPWM (TEC–) VPWM (TEC–) 2 2 CH1 20mV BW CH2 20mV BW M400ns A CH3 1.00V CH1 20mV BW CH2 20mV BW M400ns A CH3 1.00V CH3 2.0V BW T 0.0s 2.50GS/s CH3 2.0V BW T 0.0s 2.50GS/s
4663 G14 4663 G15 Rev. 0 For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photo Package Description Design Resources Related Parts