Datasheet LTC7802-3.3 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 40V Low IQ, 3MHz Dual, 2-Phase Synchronous Step-Down Controller with Spread Spectrum |
| 页数 / 页 | 34 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. EXTVCC Switchover and INTVCC. INTVCC … |
| 文件格式/大小 | PDF / 1.5 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. EXTVCC Switchover and INTVCC. INTVCC Undervoltage Lockout. INTVCC Load Regulation
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LTC7802-3.3
TYPICAL PERFORMANCE CHARACTERISTICS EXTVCC Switchover and INTVCC INTVCC Undervoltage Lockout INTVCC Load Regulation CC Voltage vs Temperature Thresholds vs Temperature CC Thresholds vs T
5.4 5.4 4.4 VIN = 12V VIN = 12V 5.2 5.2 4.3 EXTVCC = 6V INTVCC VOLTAGE RISING 5.0 4.2 EXTVCC = 0V TAGE (V) 5.0 4.8 TAGE (V) VOL 4.1 EXTVCC = 5V V CC 4.8 VOL 4.6 EXTVCC RISING 4.0 V CC FALLING INT 4.6 4.4 OR EXT UVLO THRESHOLD (V) 3.9 V CC EXTVCC FALLING 4.2 INT 4.4 3.8 4.0 4.2 3.7 0 50 100 150 200 250 300 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 INTVCC LOAD CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 780233 G19 780233 G20 780233 G21
Quiescent Current TRACK/SS Pull-Up Current vs Temperature Shutdown Current vs V IN IN Voltage vs Temperature
40 8.0 15 ONLY CHANNEL 1 ON SLEEP MODE 35 7.0 VIN = 12V 14 30 6.0 13 25 5.0 20 EXTV 155°C 4.0 12 CC = 0V SENSE1– = 0V CURRENT (μA) 15 CURRENT (µA) 3.0 V IN 11 EXTV V IN CC = 0V 125 10 °C SENSE1– = 3.3V 2.0 TRACK/SS CURRENT (μA) 10 5 EXTVCC = 5V 1.0 SENSE1– = 3.3V 25°C –55°C 0 0 9 –55 –25 5 35 65 95 125 155 0 5 10 15 20 25 30 35 40 –55 –25 5 35 65 95 125 155 TEMPERATURE (°C) VIN VOLTAGE (V) TEMPERATURE (°C) 780233 G22 780332 G23 780233 G24 Rev. 0 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS EXTVCC Switchover and INTVCC INTVCC Undervoltage Lockout INTVCC Load Regulation CC Voltage vs Temperature Thresholds vs Temperature CC Thresholds vs T
5.4 5.4 4.4 VIN = 12V VIN = 12V 5.2 5.2 4.3 EXTVCC = 6V INTVCC VOLTAGE RISING 5.0 4.2 EXTVCC = 0V TAGE (V) 5.0 4.8 TAGE (V) VOL 4.1 EXTVCC = 5V V CC 4.8 VOL 4.6 EXTVCC RISING 4.0 V CC FALLING INT 4.6 4.4 OR EXT UVLO THRESHOLD (V) 3.9 V CC EXTVCC FALLING 4.2 INT 4.4 3.8 4.0 4.2 3.7 0 50 100 150 200 250 300 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 INTVCC LOAD CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 780233 G19 780233 G20 780233 G21
Quiescent Current TRACK/SS Pull-Up Current vs Temperature Shutdown Current vs V IN IN Voltage vs Temperature
40 8.0 15 ONLY CHANNEL 1 ON SLEEP MODE 35 7.0 VIN = 12V 14 30 6.0 13 25 5.0 20 EXTV 155°C 4.0 12 CC = 0V SENSE1– = 0V CURRENT (μA) 15 CURRENT (µA) 3.0 V IN 11 EXTV V IN CC = 0V 125 10 °C SENSE1– = 3.3V 2.0 TRACK/SS CURRENT (μA) 10 5 EXTVCC = 5V 1.0 SENSE1– = 3.3V 25°C –55°C 0 0 9 –55 –25 5 35 65 95 125 155 0 5 10 15 20 25 30 35 40 –55 –25 5 35 65 95 125 155 TEMPERATURE (°C) VIN VOLTAGE (V) TEMPERATURE (°C) 780233 G22 780332 G23 780233 G24 Rev. 0 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts