Datasheet LT1683 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Slew Rate Controlled Ultralow Noise Push-Pull DC/DC Controller |
| 页数 / 页 | 26 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. VC Pin Threshold and Clamp. CS Pin … |
| 文件格式/大小 | PDF / 419 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. VC Pin Threshold and Clamp. CS Pin Trip and CS Fault Voltage
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LT1683
TYPICAL PERFORMANCE CHARACTERISTICS VC Pin Threshold and Clamp CS Pin Trip and CS Fault Voltage SHDN Pin On and Off Thresholds Voltage vs Temperature vs Temperature vs Temperature
1.4 1.50 240 1.2 220 FAULT 1.45 1.0 200 ON 0.8 180 1.40 160 0.6 PIN VOLTAGE (V) 1.35 PIN VOLTAGE (V) 140 V C 0.4 CS PIN VOLTAGE (mV) 120 SHDN TRIP 1.30 0.2 100 OFF 0 80 1.25 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1683 G06 1683 G07 1683 G08
SHDN Pin Hysteresis Current vs Temperature VIN Current vs Temperature CS Pin to VC Pin Transfer Function
27 1.6 24 WITH NO EXTERNAL MOSFETs TA = 25°C 1.4 25 22 µA) 1.2 23 20 1.0 V 18 IN = 12 RCSL, RVSL = 5.7k 21 0.8 V 16 IN = 20 RCSL, RVSL = 17k PIN CURRENT ( CURRENT (mA) 0.6 19 PIN VOLTAGE (V) V IN VIN = 12 RCSL, RVSL = 17k V C SHDN 14 0.4 17 12 0.2 15 10 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 0 20 40 60 80 100 120 TEMPERATURE (°C) TEMPERATURE (°C) CS PIN VOLTAGE (mV) 1683 G09 1683 G10 1683 G11
Gate Drive A/B High Voltage Gate Drive A/B Low Voltage Slope Compensation vs Temperature vs Temperature
110 10.7 6.5 0.50 VC PIN = 0.9V 10.6 6.4 0.45 VIN = 12V 100 TA = 25°C NO LOAD 10.5 GCL = 12V 6.3 0.40 10.4 6.2 0.35 90 10.3 V 6.1 IN = 12V 0.30 NO LOAD 80 10.2 6.0 0.25 10.1 5.9 0.20 70 10.0 5.8 GCL = 6V 0.15 PERCENT OF MAX CS VOLTAGE 9.90 5.7 0.10 60 GATE DRIVE A/B PIN VOLTAGE (V) GATE DRIVE A/B PIN VOLTAGE (V) 9.80 5.6 0.05 50 9.70 5.5 0 0 10 20 30 40 50 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 DUTY CYCLE (%) TEMPERATURE (°C) TEMPERATURE (°C) 1683 G12 1683 G13 1683 G14 1683fd 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Test Circuits Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS VC Pin Threshold and Clamp CS Pin Trip and CS Fault Voltage SHDN Pin On and Off Thresholds Voltage vs Temperature vs Temperature vs Temperature
1.4 1.50 240 1.2 220 FAULT 1.45 1.0 200 ON 0.8 180 1.40 160 0.6 PIN VOLTAGE (V) 1.35 PIN VOLTAGE (V) 140 V C 0.4 CS PIN VOLTAGE (mV) 120 SHDN TRIP 1.30 0.2 100 OFF 0 80 1.25 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1683 G06 1683 G07 1683 G08
SHDN Pin Hysteresis Current vs Temperature VIN Current vs Temperature CS Pin to VC Pin Transfer Function
27 1.6 24 WITH NO EXTERNAL MOSFETs TA = 25°C 1.4 25 22 µA) 1.2 23 20 1.0 V 18 IN = 12 RCSL, RVSL = 5.7k 21 0.8 V 16 IN = 20 RCSL, RVSL = 17k PIN CURRENT ( CURRENT (mA) 0.6 19 PIN VOLTAGE (V) V IN VIN = 12 RCSL, RVSL = 17k V C SHDN 14 0.4 17 12 0.2 15 10 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 0 20 40 60 80 100 120 TEMPERATURE (°C) TEMPERATURE (°C) CS PIN VOLTAGE (mV) 1683 G09 1683 G10 1683 G11
Gate Drive A/B High Voltage Gate Drive A/B Low Voltage Slope Compensation vs Temperature vs Temperature
110 10.7 6.5 0.50 VC PIN = 0.9V 10.6 6.4 0.45 VIN = 12V 100 TA = 25°C NO LOAD 10.5 GCL = 12V 6.3 0.40 10.4 6.2 0.35 90 10.3 V 6.1 IN = 12V 0.30 NO LOAD 80 10.2 6.0 0.25 10.1 5.9 0.20 70 10.0 5.8 GCL = 6V 0.15 PERCENT OF MAX CS VOLTAGE 9.90 5.7 0.10 60 GATE DRIVE A/B PIN VOLTAGE (V) GATE DRIVE A/B PIN VOLTAGE (V) 9.80 5.6 0.05 50 9.70 5.5 0 0 10 20 30 40 50 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 DUTY CYCLE (%) TEMPERATURE (°C) TEMPERATURE (°C) 1683 G12 1683 G13 1683 G14 1683fd 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Test Circuits Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts