Datasheet LTC3728L, LTC3728LX (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Dual, 550kHz, 2-Phase Synchronous Regulators |
| 页数 / 页 | 38 / 9 — Typical perForMance characTerisTics. Current Sense Pin Input Current. … |
| 文件格式/大小 | PDF / 466 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. Current Sense Pin Input Current. EXTVCC Switch Resistance. Oscillator Frequency
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LTC3728L/LTC3728LX
Typical perForMance characTerisTics Current Sense Pin Input Current EXTVCC Switch Resistance Oscillator Frequency vs Temperature vs Temperature vs Temperature
35 10 700 VOUT = 5V 600 VPLLFLTR = 2.4V 33 8 500 31 6 VPLLFLTR = 1.2V 400 29 4 300 VPLLFLTR = 0V SWITCH RESISTANCE (Ω) FREQUENCY (kHz) CC 200 27 2 EXTV 100 CURRENT SENSE INPUT CURRENT (µA) 25 0 0 –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) 3728L G26 3728L G27 3728L G28
Undervoltage Lockout Shutdown Latch Thresholds vs Temperature vs Temperature
3.50 4.5 LATCH ARMING 4.0 3.45 3.5 LATCHOFF 3.40 3.0 THRESHOLD 2.5 3.35 2.0 3.30 1.5 UNDERVOLTAGE LOCKOUT (V) 1.0 3.25 SHUTDOWN LATCH THRESHOLDS (V) 0.5 3.20 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3728L G29 3728L G30 3728lxff 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics Current Sense Pin Input Current EXTVCC Switch Resistance Oscillator Frequency vs Temperature vs Temperature vs Temperature
35 10 700 VOUT = 5V 600 VPLLFLTR = 2.4V 33 8 500 31 6 VPLLFLTR = 1.2V 400 29 4 300 VPLLFLTR = 0V SWITCH RESISTANCE (Ω) FREQUENCY (kHz) CC 200 27 2 EXTV 100 CURRENT SENSE INPUT CURRENT (µA) 25 0 0 –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) 3728L G26 3728L G27 3728L G28
Undervoltage Lockout Shutdown Latch Thresholds vs Temperature vs Temperature
3.50 4.5 LATCH ARMING 4.0 3.45 3.5 LATCHOFF 3.40 3.0 THRESHOLD 2.5 3.35 2.0 3.30 1.5 UNDERVOLTAGE LOCKOUT (V) 1.0 3.25 SHUTDOWN LATCH THRESHOLDS (V) 0.5 3.20 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3728L G29 3728L G30 3728lxff 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts