IR3831WMTR1PBF International Rectifier, IR3831WMTR1PBF Datasheet - Page 24

• Manufacturer Part Number: IR3831WMTR1PBF
• Description: IC REG SYNC BUCK 8A 15-QFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r

Specifications of IR3831WMTR1PBF

• Applications: Converter, DDR
• Voltage - Input: 1.5 ~ 16 V
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 14.4 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 15-PowerVQFN
• Part Status: Preferred
• Package: PQFN / 5 x 6
• Circuit: Single Output
• Iout (a): 8
• Switch Freq (khz): 250 - 1500
• Input Range (v): 1.5 - 16
• Output Range (v): 0.7 - 0.9*Vin
• Ocp Otp Uvlo Pre-bias Soft Start And: PGOOD + EN + OVD + DDR Tracking
• Server Storage: Yes
• Routers Switches: Yes
• Base Station Telecom: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: IR3831WMTR1PBFTR

Rev 14.0
TYPICAL OPERATING WAVEFORMS
Vin=12.0V, Vcc=5V, Vo=0.75V, Io=0- ±8A, Room Temperature, No Air Flow
Ch
Fig. 16: Start up at 8A, sourcing current
Fig. 18: Inductor node at 8A, sourcing
Fig. 20: Output Voltage Ripple, 8A,
1
:PGood, Ch
sourcing current, Ch
current, Ch
2
:V
out
3
:SW, Ch
, Ch
3
:SS, Ch
2
: V
4
:I
out
out
4
:V
DDQ
Ch
Fig. 17: Start up with Prebias, 0A Load
Fig. 19: Inductor node at -3A, sinking
Fig. 21: Short (Hiccup) Recovery
1
:PGood, Ch
Ch
current, Ch
2
:V
out
, Ch
IR3831WMPbF
2
3
:V
:V
3
out,
:SW , Ch
SS
Ch
, Ch
3
:SS, Ch
4
:PGood
4
:I
out
4
:V
DDQ
24