Datasheet LTC3310S (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | 5V, 10A Synchronous Step-Down Silent Switcher 2 in 3mm x 3mm LQFN |
| Seiten / Seite | 30 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| Revision | B |
| Dateiformat / Größe | PDF / 2.9 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VOUT Load Regulation,. VOUT Line Regulation,
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LTC3310S
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VOUT Load Regulation, VOUT Line Regulation, VOUT = 1.2V OUT VOUT = 1.2V OUT PMOS Current Limit
1.212 1.212 20.0 1.210 1.210 1.208 1.208 18.0 1.206 1.206 1.204 1.204 1.202 1.202 16.0 (V) (V) 1.200 1.200 V OUT 1.198 V OUT 1.198 14.0 1.196 1.196 PMOS CURRENT (A) 1.194 1.194 LOAD = 1A 1.192 V 12.0 IN = 2.25V 1.192 LOAD = 3A VIN = 2.5V VIN = 3.3V 1.190 LOAD = 6A 1.190 VIN = 3.3V VIN = 5V LOAD = 9A V 1.188 1.188 IN = 5V 10.0 0 2 4 6 8 10 2 2.5 3 3.5 4 4.5 5 5.5 0 10 20 30 40 50 60 70 80 90 100 ILOAD (A) INPUT VOLTAGE (V) DUTY CYCLE (%) 3310S G01 3310S G02 3310S G03
Efficiency, Forced Continuous Efficiency, Pulse-Skipping Mode, Mode, VIN = 3.3V Forced Continuous Mode Operation VIN = 3.3V
100 100 90 80 90 70 60 80 50 40 70 EFFICIENCY (%) EFFICIENCY (%) 30 VOUT = 0.5V VOUT = 0.5V VOUT = 1.2V V 20 OUT = 1.2V V 60 OUT = 1.8V VOUT = 1.8V f 10 SW = 2MHz fSW = 2MHz COILCRAFT XEL4030-101MEC COILCRAFT XEL4030-101MEC 0 50 0.01 0.1 1 10 0.01 0.1 1 10 ILOAD (A) ILOAD (A) 3310S G04 3310S G05
Efficiency, Pulse-Skipping Mode, Efficiency, Pulse-Skipping Mode VPulse Skip Mode Operation V IN = 1.2V IN = 3.3V, VOUT = Pulse Skip Mode 1.2V
100 100 95 90 90 80 85 70 80 60 75 50 70 40 EFFICIENCY (%) EFFICIENCY (%) 65 VIN = 2.5V 30 VIN = 3.3V FSW = 2MHz 60 V 20 IN = 5.0V FSW = 4MHz 55 f 4MHz XFMRS XF303020-50NM SW = 2MHz COILCRAFT 10 XEL4030-101MEC 2MHz COILCRAFT XEL4030-101MEC 50 0 0.01 0.1 1 10 0.001 0.01 0.1 1 10 ILOAD (A) ILOAD (A) 3310S G07 3310S G06 Rev. B For more information www.analog.com 5 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 Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. VOUT Load Regulation, VOUT Line Regulation, VOUT = 1.2V OUT VOUT = 1.2V OUT PMOS Current Limit
1.212 1.212 20.0 1.210 1.210 1.208 1.208 18.0 1.206 1.206 1.204 1.204 1.202 1.202 16.0 (V) (V) 1.200 1.200 V OUT 1.198 V OUT 1.198 14.0 1.196 1.196 PMOS CURRENT (A) 1.194 1.194 LOAD = 1A 1.192 V 12.0 IN = 2.25V 1.192 LOAD = 3A VIN = 2.5V VIN = 3.3V 1.190 LOAD = 6A 1.190 VIN = 3.3V VIN = 5V LOAD = 9A V 1.188 1.188 IN = 5V 10.0 0 2 4 6 8 10 2 2.5 3 3.5 4 4.5 5 5.5 0 10 20 30 40 50 60 70 80 90 100 ILOAD (A) INPUT VOLTAGE (V) DUTY CYCLE (%) 3310S G01 3310S G02 3310S G03
Efficiency, Forced Continuous Efficiency, Pulse-Skipping Mode, Mode, VIN = 3.3V Forced Continuous Mode Operation VIN = 3.3V
100 100 90 80 90 70 60 80 50 40 70 EFFICIENCY (%) EFFICIENCY (%) 30 VOUT = 0.5V VOUT = 0.5V VOUT = 1.2V V 20 OUT = 1.2V V 60 OUT = 1.8V VOUT = 1.8V f 10 SW = 2MHz fSW = 2MHz COILCRAFT XEL4030-101MEC COILCRAFT XEL4030-101MEC 0 50 0.01 0.1 1 10 0.01 0.1 1 10 ILOAD (A) ILOAD (A) 3310S G04 3310S G05
Efficiency, Pulse-Skipping Mode, Efficiency, Pulse-Skipping Mode VPulse Skip Mode Operation V IN = 1.2V IN = 3.3V, VOUT = Pulse Skip Mode 1.2V
100 100 95 90 90 80 85 70 80 60 75 50 70 40 EFFICIENCY (%) EFFICIENCY (%) 65 VIN = 2.5V 30 VIN = 3.3V FSW = 2MHz 60 V 20 IN = 5.0V FSW = 4MHz 55 f 4MHz XFMRS XF303020-50NM SW = 2MHz COILCRAFT 10 XEL4030-101MEC 2MHz COILCRAFT XEL4030-101MEC 50 0 0.01 0.1 1 10 0.001 0.01 0.1 1 10 ILOAD (A) ILOAD (A) 3310S G07 3310S G06 Rev. B For more information www.analog.com 5 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 Revision History Typical Application Related Parts