Datasheet LTC4365 (Analog Devices) - 4
| Fabricante | Analog Devices |
| Descripción | Overvoltage, Undervoltage and Reverse Supply Protection Controller |
| Páginas / Página | 20 / 4 — ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply … |
| Revisión | B |
| Formato / tamaño de archivo | PDF / 1.1 Mb |
| Idioma del documento | Inglés |
ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply over the full operating
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Versión de texto del documento
LTC4365
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 2.5V to 34V, unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS UV, OV
VUV UV Input Threshold Voltage UV Falling → ΔVGATE = 0V l 492.5 500 507.5 mV VOV OV Input Threshold Voltage OV Rising → ΔVGATE = 0V l 492.5 500 507.5 mV VUVHYST UV Input Hysteresis l 20 25 32 mV VOVHYST OV Input Hysteresis l 20 25 32 mV ILEAK UV, OV Leakage Current V = 0.5V, VIN = 34V l ±10 nA tFAULT UV, OV Fault Propagation Delay Overdrive = 50mV l 1 2 µs VIN = VOUT = 12V
SHDN
VSHDN SHDN Input Threshold SHDN Falling to ΔVGATE = 0V l 0.4 0.75 1.2 V ISHDN SHDN Input Current SHDN = 0.75V, VIN = 34V l ±10 nA tSTART Delay Coming Out of Shutdown Mode SHDN Rising to ΔVGATE > 0V, VIN = VOUT = 12V l 400 800 1200 µs tSHDN(F) SHDN to FAULT Asserted VIN = VOUT = 12V l 1.5 3 µs tLOWPWR Delay from Turn Off to Low Power Operation VIN = VOUT = 12V LTC4365 l 26 36 55 ms LTC4365-1 l 0.3 0.7 2 ms
FAULT
VOL FAULT Output Voltage Low IFAULT = 500µA l 0.15 0.4 V IFAULT FAULT Leakage Current FAULT = 5V, VIN = 34V l ±20 nA
Note 1.
Stresses beyond those listed under Absolute Maximum Ratings
Note 3.
These pins can be tied to voltages below –0.3V through a resistor may cause permanent damage to the device. Exposure to any Absolute that limits the current below 1mA. Maximum Rating condition for extended periods may affect device
Note 4.
The GATE pin is referenced to VOUT and does not exceed 44V for reliability and lifetime. the entire operating range.
Note 2.
All currents into pins are positive; all voltages are referenced to GND unless otherwise noted. Rev. B 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 2.5V to 34V, unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS UV, OV
VUV UV Input Threshold Voltage UV Falling → ΔVGATE = 0V l 492.5 500 507.5 mV VOV OV Input Threshold Voltage OV Rising → ΔVGATE = 0V l 492.5 500 507.5 mV VUVHYST UV Input Hysteresis l 20 25 32 mV VOVHYST OV Input Hysteresis l 20 25 32 mV ILEAK UV, OV Leakage Current V = 0.5V, VIN = 34V l ±10 nA tFAULT UV, OV Fault Propagation Delay Overdrive = 50mV l 1 2 µs VIN = VOUT = 12V
SHDN
VSHDN SHDN Input Threshold SHDN Falling to ΔVGATE = 0V l 0.4 0.75 1.2 V ISHDN SHDN Input Current SHDN = 0.75V, VIN = 34V l ±10 nA tSTART Delay Coming Out of Shutdown Mode SHDN Rising to ΔVGATE > 0V, VIN = VOUT = 12V l 400 800 1200 µs tSHDN(F) SHDN to FAULT Asserted VIN = VOUT = 12V l 1.5 3 µs tLOWPWR Delay from Turn Off to Low Power Operation VIN = VOUT = 12V LTC4365 l 26 36 55 ms LTC4365-1 l 0.3 0.7 2 ms
FAULT
VOL FAULT Output Voltage Low IFAULT = 500µA l 0.15 0.4 V IFAULT FAULT Leakage Current FAULT = 5V, VIN = 34V l ±20 nA
Note 1.
Stresses beyond those listed under Absolute Maximum Ratings
Note 3.
These pins can be tied to voltages below –0.3V through a resistor may cause permanent damage to the device. Exposure to any Absolute that limits the current below 1mA. Maximum Rating condition for extended periods may affect device
Note 4.
The GATE pin is referenced to VOUT and does not exceed 44V for reliability and lifetime. the entire operating range.
Note 2.
All currents into pins are positive; all voltages are referenced to GND unless otherwise noted. Rev. B 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts