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CAT4106HV4-GT2 Datasheet(PDF) 3 Page - ON Semiconductor |
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CAT4106HV4-GT2 Datasheet(HTML) 3 Page - ON Semiconductor |
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3 / 17 page  CAT4106 © 2009 SCILLC. All rights reserved. 3 Doc. No. MD-5037, Rev. A Characteristics subject to change without notice ELECTRICAL OPERATING CHARACTERISTICS VIN = 5 V, VL (inductor drive voltage) = 12 V, TAMB = 25°C (over recommended operating conditions unless specified otherwise) Symbol Description Conditions Min Typ Max Units IQ VIN Operating Current Switching (ILED = 30 mA) Not Switching (ILED = 30 mA) Switching (ILED = 60 mA) Not Switching (ILED = 60 mA) 2.5 2.0 3.4 2.9 3.5 3.0 4.4 3.9 mA ISD VIN input shutdown Current VEN = 0V 1 µA VIH VIL REN EN/PWM Logic High Threshold Logic Low Threshold Internal Pull-Down Resistor Device Enable Level Disable/PWM Level 0.4 100 0.8 0.7 200 1.3 300 V V kΩ VUVLO Undervoltage lockout (UVLO) VIN pin voltage 2.0 V TSD Thermal Shutdown Threshold 150 °C THYS Thermal Hysteresis 20 °C VRSET RSET regulation voltage 10 μA < IRSET < 2 mA. 1.17 1.20 1.23 V ILED/IRSET RSET to LED Current gain ratio 30 mA LED current 100 VDO LED Channel Dropout Voltage ILED = 175 mA 0.5 V ΔILED LED Channel Matching 0.5 V < VLED < 5 V -5 ±1 +5 % ILED-OFF LED Channel leakage Channel is Off 1 µA VVFMAX O/C Detect voltage threshold 1.15 1.20 1.25 V VVFMIN S/C Detect voltage threshold 1.15 1.20 1.25 V VCTRL ICTRL CTRL pin voltage accuracy CTRL pin maximum load Offset to Lowest LED output - 0.1 25 0 + 0.1 V µA IFAULT ¯¯¯¯¯¯ Pull-down Drive Current Open Drain Leakage Current FAULT ¯¯¯¯¯¯ is Active (0.1 V bias) FAULT ¯¯¯¯¯¯ is Inactive 1 2 1 mA µA VFB IFB FB Pin control voltage FB pin input leakage current Normal switching mode regulation 285 300 315 1 mV µA FSW ISWMAX RSW DCMAX DCMIN ISWLEAK OVPSW SW Pin Switching Frequency Switch Pin Current Limit Switch Pin On-resistance Maximum Duty Cycle Minimum Duty Cycle Switch Leakage Current Over Voltage Protection Detect ISW = 500 mA Prior to Current Limiting Prior to Pulse-Skipping VSW = 20 V Enters Low Power mode 0.7 0.8 1.0 1.0 1.0 96 5 40 1.3 5 MHz A Ω % % µA V |
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