Datasheet LT8698S, LT8698S-1 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 5V 3A Output, 42V Input USB Charger with Cable Drop Compensation and Dataline Protection |
| 页数 / 页 | 40 / 3 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| 修订版 | A |
| 文件格式/大小 | PDF / 4.5 Mb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating
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LT8698S/LT8698S-1
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Shutdown Current VEN/UV = 0.25V, VIN = 12V 0.1 1 µA VIN Current in Regulation ILOAD = 0A, VSYNC/MODE = 0V, VIN = 12V (Note 4) l 2.5 4 mA ILOAD = 0A, VSYNC/MODE = Open, VIN = 12V (Note 4) l 23 36 mA VCHG Regulator Output Voltage at ILOAD = 0A, RCBL = 3.57k (Note 4) l 4.925 5.00 5.063 V BUS/ISN ILOAD = 2.4A, RCBL = 3.57k (Note 4) l 5.52 5.61 5.680 V ILOAD = 0A, VUSB5V = 0V (Note 4) l 5.93 6.05 6.13 V USB5V Voltage VIN = 5V to 42V l 4.915 4.99 5.053 V Upper FLT Threshold Offset Percentage of VUSB5V, VUSB5V Falling l 4 7 10 % Lower FLT Threshold Offset Percentage of VUSB5V, VUSB5V Rising l 4 7 10 % FLT Threshold Hysteresis Percentage of VUSB5V 3 % ICDP Regulator Output Current Limit VBUS/ISN = 4.5V, RSEN = 10mΩ 2.55 2.65 2.75 A Latch-On Time in Current Limit VBUS/ISN = 0.2V 3.4 4.2 5 ms TSHTDWN_REC Latch-Off Time in Current Limit VBUS/ISN = 0.2V 48 59 70 ms Regulator Output Current STATUS IBUS/ISN Falling, RSEN = 10mΩ 20 100 180 mA Threshold Regulator Output Current STATUS RSEN = 10mΩ 20 mA Threshold Hysteresis Regulator Output Sink Current VBUS/ISN = 6.3V (Note 4) –2.9 –2.3 –1.7 A RCBL Monitor Voltage ILOAD = 0A, RSEN = 10mΩ l 0 2 50 mV ILOAD = 2.4A, RSEN = 10mΩ l 1.05 1.10 1.15 V Oscillator Frequency RT = 9.09k l 1.8 2 2.2 MHz RT = 66.5k l 255 300 345 kHz RT = 5.76k l 2.7 3 3.3 MHz SYNC/MODE Low Threshold for VSYNC/MODE Rising l 0.3 0.7 1.1 V Pulse-Skip Operation SYNC/MODE Input High for Synced l 1.5 V Operation SYNC/MODE Input Low for Synced l 0.4 V Operation SYNC/MODE High Threshold for VSYNC/MODE Rising l 2.7 3.2 3.7 V Spread Spectrum Operation SYNC/MODE Pull Up Current for VSYNC/MODE = 2V l 2 4.25 6.5 µA Forced Continuous Operation Top Switch Max Current Limit 5 6 7 A Top Switch On Resistance ISW = 1A 75 mΩ Bottom Switch On Resistance ISW = 1A 75 mΩ SW Leakage Current –1 0 1 µA EN/UV Threshold VEN/UV Falling l 1.17 1.31 1.45 V EN/UV Threshold Hysteresis 150 mV EN/UV Current VEN/UV = 2V –100 100 nA Rev. A For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Shutdown Current VEN/UV = 0.25V, VIN = 12V 0.1 1 µA VIN Current in Regulation ILOAD = 0A, VSYNC/MODE = 0V, VIN = 12V (Note 4) l 2.5 4 mA ILOAD = 0A, VSYNC/MODE = Open, VIN = 12V (Note 4) l 23 36 mA VCHG Regulator Output Voltage at ILOAD = 0A, RCBL = 3.57k (Note 4) l 4.925 5.00 5.063 V BUS/ISN ILOAD = 2.4A, RCBL = 3.57k (Note 4) l 5.52 5.61 5.680 V ILOAD = 0A, VUSB5V = 0V (Note 4) l 5.93 6.05 6.13 V USB5V Voltage VIN = 5V to 42V l 4.915 4.99 5.053 V Upper FLT Threshold Offset Percentage of VUSB5V, VUSB5V Falling l 4 7 10 % Lower FLT Threshold Offset Percentage of VUSB5V, VUSB5V Rising l 4 7 10 % FLT Threshold Hysteresis Percentage of VUSB5V 3 % ICDP Regulator Output Current Limit VBUS/ISN = 4.5V, RSEN = 10mΩ 2.55 2.65 2.75 A Latch-On Time in Current Limit VBUS/ISN = 0.2V 3.4 4.2 5 ms TSHTDWN_REC Latch-Off Time in Current Limit VBUS/ISN = 0.2V 48 59 70 ms Regulator Output Current STATUS IBUS/ISN Falling, RSEN = 10mΩ 20 100 180 mA Threshold Regulator Output Current STATUS RSEN = 10mΩ 20 mA Threshold Hysteresis Regulator Output Sink Current VBUS/ISN = 6.3V (Note 4) –2.9 –2.3 –1.7 A RCBL Monitor Voltage ILOAD = 0A, RSEN = 10mΩ l 0 2 50 mV ILOAD = 2.4A, RSEN = 10mΩ l 1.05 1.10 1.15 V Oscillator Frequency RT = 9.09k l 1.8 2 2.2 MHz RT = 66.5k l 255 300 345 kHz RT = 5.76k l 2.7 3 3.3 MHz SYNC/MODE Low Threshold for VSYNC/MODE Rising l 0.3 0.7 1.1 V Pulse-Skip Operation SYNC/MODE Input High for Synced l 1.5 V Operation SYNC/MODE Input Low for Synced l 0.4 V Operation SYNC/MODE High Threshold for VSYNC/MODE Rising l 2.7 3.2 3.7 V Spread Spectrum Operation SYNC/MODE Pull Up Current for VSYNC/MODE = 2V l 2 4.25 6.5 µA Forced Continuous Operation Top Switch Max Current Limit 5 6 7 A Top Switch On Resistance ISW = 1A 75 mΩ Bottom Switch On Resistance ISW = 1A 75 mΩ SW Leakage Current –1 0 1 µA EN/UV Threshold VEN/UV Falling l 1.17 1.31 1.45 V EN/UV Threshold Hysteresis 150 mV EN/UV Current VEN/UV = 2V –100 100 nA Rev. A For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Related Parts