Datasheet LT8210 (Analog Devices) - 4
| Fabricante | Analog Devices |
| Descripción | 100V VIN and VOUT Synchronous 4-Switch Buck‑Boost DC/DC Controller with Pass-Thru |
| Páginas / Página | 46 / 4 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| Revisión | A |
| Formato / tamaño de archivo | PDF / 6.1 Mb |
| Idioma del documento | Inglés |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating
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LT8210
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VINP = 12V, VEN/UVLO = 3.3V, VEXTVCC = 0V PARAMETER CONDITIONS MIN TYP MAX UNITS Voltage Supplies and Regulators
VIN, VINP Input Operating Voltage Range Minimum Voltage for Start-Up (VEXTVCC = 0V) l 4.5 100 V After Start-Up, VEXTVCC = 12V l 2.8 100 V VIN Quiescent Current Shutdown (VEN/UVLO = 0V) l 1 5 µA Not Switching l 4 15 µA Internal Charge Pump Enabled (VDG – VIN = 3.5V) l 1400 1800 µA VINP Quiescent Current Shutdown (VEN/UVLO = 0V) l 0.1 1.0 µA Not Switching l 650 1300 µA Internal Charge Pump Enabled (VDG – VIN = 3.5V) l 1900 2700 µA Burst Mode Operation (Sleep) l 65 90 µA Pass-Thru (Non-Switching, VINP = 48V) l 18 33 µA VOUT Quiescent Current VOUT = 12V l 1.5 3 µA GATEVCC Voltage IGATEVCC = 25mA l 10 10.6 11.2 V GATEVCC Current Limit Regulated from VINP, VINP =12V, VGATEVCC = 9V l 65 110 mA Regulated from VINP, VINP = 100V, VGATEVCC = 9V l 18 25 mA Regulated from EXTVCC, VEXTVCC = 12V, VGATEVCC = 9V l 80 115 mA Regulated from EXTVCC, VEXTVCC = 40V, VGATEVCC = 9V l 55 90 mA GATEVCC Load Regulation IGATEVCC = 0mA to 50mA l 1.8 5 % GATEVCC Regulator Dropout Voltage VINP – VGATEVCC: IGATEVCC = 50mA l 750 1600 mV VEXTVCC – VGATEVCC: IGATEVCC = 50mA l 600 1400 mV GATEVCC Undervoltage Lockout Threshold Falling l 3.65 3.75 3.85 V GATEVCC Undervoltage Lockout Hysteresis 0.20 V GATEVCC Backdrive Current To VINP Pin, VGATEVCC = 10V, VINP = 0V 20 µA To EXTVCC Pin, VGATEVCC = 10V, VEXTVCC = 0V 3 µA EXTVCC Switchover Voltage Rising l 7.3 8 8.8 V EXTVCC Switchover Hysteresis 1.2 V VDD Voltage l 3.2 3.3 3.4 V VDD Current Limit VDD = 3V 10 mA VDD Undervoltage Lockout Threshold Falling l 2.7 2.8 2.9 V VDD Undervoltage Lockout Hysteresis 140 mV
Enable Comparator
EN/UVLO Enable Threshold Rising l 1.28 1.45 1.61 V EN/UVLO Enable Hysteresis 100 mV EN/UVLO Pin Bias Current VEN/UVLO = 100V l 0.08 0.3 µA
Reverse Input Protection
DG Gate Drive Voltage (VDG – VIN) Non-Switching l 7.0 8.5 V Reverse Input Disconnect Threshold (VIN) IDG = 100 µA l –1.8 –1.2 –0.5 V DG Pin Pull-Down Current VIN = –4V, VDG – VIN = 5V l 50 80 130 mA DG Pin Pull-Up Current VDG – VIN = 1.5V l 100 180 µA VDG – VIN = 8V l 5 25 µA DG Undervoltage Threshold (VDG – VIN) Rising l 2.3 2.8 3 V DG Undervoltage Hysteresis (VDG – VIN) 700 V
Voltage Regulation
FB1 Regulation Voltage Regulation Voltage for CCM, DCM, Burst Mode l 0.9875 1.00 1.0125 V Operation, Pass-Thru Mode Boost Loop Rev. A 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Table of Contents Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications 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 = 12V, VINP = 12V, VEN/UVLO = 3.3V, VEXTVCC = 0V PARAMETER CONDITIONS MIN TYP MAX UNITS Voltage Supplies and Regulators
VIN, VINP Input Operating Voltage Range Minimum Voltage for Start-Up (VEXTVCC = 0V) l 4.5 100 V After Start-Up, VEXTVCC = 12V l 2.8 100 V VIN Quiescent Current Shutdown (VEN/UVLO = 0V) l 1 5 µA Not Switching l 4 15 µA Internal Charge Pump Enabled (VDG – VIN = 3.5V) l 1400 1800 µA VINP Quiescent Current Shutdown (VEN/UVLO = 0V) l 0.1 1.0 µA Not Switching l 650 1300 µA Internal Charge Pump Enabled (VDG – VIN = 3.5V) l 1900 2700 µA Burst Mode Operation (Sleep) l 65 90 µA Pass-Thru (Non-Switching, VINP = 48V) l 18 33 µA VOUT Quiescent Current VOUT = 12V l 1.5 3 µA GATEVCC Voltage IGATEVCC = 25mA l 10 10.6 11.2 V GATEVCC Current Limit Regulated from VINP, VINP =12V, VGATEVCC = 9V l 65 110 mA Regulated from VINP, VINP = 100V, VGATEVCC = 9V l 18 25 mA Regulated from EXTVCC, VEXTVCC = 12V, VGATEVCC = 9V l 80 115 mA Regulated from EXTVCC, VEXTVCC = 40V, VGATEVCC = 9V l 55 90 mA GATEVCC Load Regulation IGATEVCC = 0mA to 50mA l 1.8 5 % GATEVCC Regulator Dropout Voltage VINP – VGATEVCC: IGATEVCC = 50mA l 750 1600 mV VEXTVCC – VGATEVCC: IGATEVCC = 50mA l 600 1400 mV GATEVCC Undervoltage Lockout Threshold Falling l 3.65 3.75 3.85 V GATEVCC Undervoltage Lockout Hysteresis 0.20 V GATEVCC Backdrive Current To VINP Pin, VGATEVCC = 10V, VINP = 0V 20 µA To EXTVCC Pin, VGATEVCC = 10V, VEXTVCC = 0V 3 µA EXTVCC Switchover Voltage Rising l 7.3 8 8.8 V EXTVCC Switchover Hysteresis 1.2 V VDD Voltage l 3.2 3.3 3.4 V VDD Current Limit VDD = 3V 10 mA VDD Undervoltage Lockout Threshold Falling l 2.7 2.8 2.9 V VDD Undervoltage Lockout Hysteresis 140 mV
Enable Comparator
EN/UVLO Enable Threshold Rising l 1.28 1.45 1.61 V EN/UVLO Enable Hysteresis 100 mV EN/UVLO Pin Bias Current VEN/UVLO = 100V l 0.08 0.3 µA
Reverse Input Protection
DG Gate Drive Voltage (VDG – VIN) Non-Switching l 7.0 8.5 V Reverse Input Disconnect Threshold (VIN) IDG = 100 µA l –1.8 –1.2 –0.5 V DG Pin Pull-Down Current VIN = –4V, VDG – VIN = 5V l 50 80 130 mA DG Pin Pull-Up Current VDG – VIN = 1.5V l 100 180 µA VDG – VIN = 8V l 5 25 µA DG Undervoltage Threshold (VDG – VIN) Rising l 2.3 2.8 3 V DG Undervoltage Hysteresis (VDG – VIN) 700 V
Voltage Regulation
FB1 Regulation Voltage Regulation Voltage for CCM, DCM, Burst Mode l 0.9875 1.00 1.0125 V Operation, Pass-Thru Mode Boost Loop Rev. A 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Table of Contents Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts