Datasheet LTM4650A-1 (Analog Devices) - 6

LTM4650A-1
TYPICAL PERFORMANCE CHARACTERISTICS 1V Dual Phase Single Output 1.2V Dual Phase Single Output 1.5V Dual Phase Single Output Load Transient Response Load Transient Response Load Transient Response (Bulk Output Capacitor) (Bulk Output Capacitor) (Bulk Output Capacitor)
VOUT(AC) VOUT(AC) VOUT(AC) 50mV/DIV 50mV/DIV 50mV/DIV LOAD STEP LOAD STEP LOAD STEP 10A/DIV 10A/DIV 10A/DIV 4650a1 G10 4650a1 G11 4650a1 G12 100µs/DIV 100µs/DIV 100µs/DIV 12VIN, 1VOUT, 300kHz, 12VIN, 1.2VOUT, 400kHz, 12VIN, 1.5VOUT, 400kHz, DUAL PHASE SINGLE OUTPUT DUAL PHASE SINGLE OUTPUT DUAL PHASE SINGLE OUTPUT 25%, 12.5A LOAD STEP-UP AND 25%, 12.5A LOAD STEP-UP AND 25%, 12.5A LOAD STEP-UP AND STEP-DOWN, 10A/μs SLEW RATE STEP-DOWN, 10A/μs SLEW RATE STEP-DOWN, 10A/μs SLEW RATE COUT = 4× 220μF CERAMIC CAP COUT = 4× 220μF CERAMIC CAP COUT = 4× 220μF CERAMIC CAP + 2× 470μF 2.5V SPCAP + 2× 470μF 2.5V SPCAP + 2× 470μF 2.5V SPCAP CTHP = 10pF, RTH = 4.65k, CTHP = 10pF, RTH = 4.65k, CTHP = 10pF, RTH = 4.65k, CTH = 4700pF, CFF = 10pF CTH = 4700pF, CFF = 10pF CTH = 4700pF, CFF = 10pF
1.8V Dual Phase Single Output 2.5V Dual Phase Single Output Load Transient Response Load Transient Response (Bulk Output Capacitor) (Bulk Output Capacitor)
VOUT(AC) VOUT(AC) 50mV/DIV 50mV/DIV LOAD STEP LOAD STEP 10A/DIV 10A/DIV 4650a1 G13 4650a1 G14 100µs/DIV 100µs/DIV 12VIN, 1.8VOUT, 500kHz, 12VIN, 2.5VOUT, 500kHz, DUAL PHASE SINGLE OUTPUT DUAL PHASE SINGLE OUTPUT 25%, 12.5A LOAD STEP-UP AND 25%, 12.5A LOAD STEP-UP AND STEP-DOWN, 10A/μs SLEW RATE STEP-DOWN, 10A/μs SLEW RATE COUT = 4× 220μF CERAMIC CAP COUT = 4× 220μF CERAMIC CAP + 2× 470μF 2.5V SPCAP + 2× 470μF 2.5V SPCAP CTHP = 10pF, RTH = 4.65k, CTHP = 10pF, RTH = 4.65k, CTH = 4700pF, CFF = 10pF CTH = 4700pF, CFF = 10pF
3.3V Dual Phase Single Output 5V Dual Phase Single Output Load Transient Response Load Transient Response (Bulk Output Capacitor) (Bulk Output Capacitor)
VOUT(AC) VOUT(AC) 50mV/DIV 50mV/DIV LOAD STEP LOAD STEP 10A/DIV 10A/DIV 4650a1 G15 4650a1 G16 100µs/DIV 100µs/DIV 12VIN, 3.3VOUT, 600kHz, 12VIN, 5VOUT, 750kHz, DUAL PHASE SINGLE OUTPUT DUAL PHASE SINGLE OUTPUT 25%, 12.5A LOAD STEP-UP AND 25%, 12.5A LOAD STEP-UP AND STEP-DOWN, 10A/μs SLEW RATE STEP-DOWN, 10A/μs SLEW RATE COUT = 4× 220μF CERAMIC CAP COUT = 4× 220μF CERAMIC CAP + 2× 470μF 6.3V POSCAP + 2× 470μF 6.3V POSCAP CTHP = 10pF, RTH = 9.09k, CTHP = 10pF, RTH = 9.09k, CTH = 4700pF, CFF = NONE CTH = 4700pF, CFF = NONE 4650a1f 6 For more information www.linear.com/LTM4650A-1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Typical Application Package Photo Design Resources Related Parts