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MAX1655 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1655 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 28 page V High-Efficiency, PWM, Step-Down DC-DC Controllers in 16-Pin QSOP 4 _______________________________________________________________________________________ ELECTRICAL CHARACTERISTICS (continued) (V+ = +15V, GND = PGND = 0V, SYNC = REF, IVL = IREF = 0A, TA = -40°C to +85°C, unless otherwise noted.) (Note 3) Note 3: Specifications from 0°C to -40°C are guaranteed by design, not production tested. 0 < (CSH - CSL) < 70mV, FB = VL, 4.5V < V+ < 30V, includes line and load regulation 0 < (CSH - CSL) < 70mV, FB = VL, 6V < V+ < 30V, includes line and load regulation CONDITIONS V 3.16 3.50 3.3V Output Voltage (CSL) V 4.5 30 Input Supply Range V 4.80 5.30 5V Output Voltage (CSL) UNITS MIN TYP MAX PARAMETER CSH - CSL, negative CSH - CSL, positive -40 -160 Current-Limit Voltage V 0.96 1.04 Feedback Voltage 2.40 2.60 mV 70 130 FB = CSH = CSL = 5.5V, VL switched over to CSL SHDN = 0V, V+ = 30V, CSL = 0 or 5.5V Rising edge, hysteresis = 60mV No external load (Note 1) 0 < IREF < 100µA µA 15 V+ Off-State Leakage Current µA 10 V+ Shutdown Current V Rising edge, hysteresis = 50mV SHDN = 2V, 0 < IVL < 25mA, 5.5V < V+ < 30V 4.2 4.7 VL/CSL Switchover Voltage V 2.43 2.57 Reference Output Voltage Falling edge, hysteresis = 22mV (MAX1652) Falling edge, hysteresis = 22mV (MAX1654) mV 15 Reference Load Regulation V 3.75 4.05 VL Fault Lockout Voltage V 4.7 5.3 VL Output Voltage 2.40 2.60 V -0.08 0.08 SECFB Regulation Setpoint SYNC = REF SYNC = 0 or 5V 97 kHz 210 320 Oscillator Sync Range kHz SYNC = REF 120 180 Oscillator Frequency ns 250 SYNC High Pulse Width ns 250 SYNC Low Pulse Width 250 350 mW 2 Quiescent Power Consumption High or low, BST - LX = 4.5V High or low SYNC = 0 or 5V Ω 5 DH On-Resistance Ω 5 DL On-Resistance % 98 Maximum Duty Cycle CSH - CSL = 0V, 5V < V+ < 30V, CSL = FB, SKIP = 0V 6V < V+ < 30V %/V 0.06 Line Regulation 3.3V and 5V STEP-DOWN CONTROLLERS FLYBACK/PWM CONTROLLER INTERNAL REGULATOR AND REFERENCE OSCILLATOR AND INPUTS/OUTPUTS MAX1652/MAX1653/ MAX1654 MAX1655 |
Similar Part No. - MAX1655 |
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Similar Description - MAX1655 |
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