IR3856WMTR1PBF International Rectifier, IR3856WMTR1PBF Datasheet - Page 25

• Manufacturer Part Number: IR3856WMTR1PBF
• Description: IC REG SYNC BUCK 6A 17-QFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3856WMTR1PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 14.4 V
• Current - Output: 6A
• Frequency - Switching: 225kHz ~ 1.65MHz
• Voltage - Input: 1.5 ~ 16 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 17-PowerVQFN
• Power - Output: 1.3W
• Part Status: Active
• Package: PQFN / 4 x 5
• Circuit: Single Output
• Iout (a): 6
• Switch Freq (khz): 0 - 750
• Input Range (v): 1.5 - 16
• Output Range (v): 0.7 - 0.9*Vin
• Ocp Otp Uvlo Pre-bias Soft Start And: PGOOD + EN + SEQ + OVD
• Server Storage: Yes
• Routers Switches: Yes
• Base Station Telecom: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: IR3856WMTR1PBFTR

Rev 8.0
TYPICAL OPERATING WAVEFORMS
Vin=12.0V, Vcc=5V, Vo=1.8V, Io=0-6A, Room Temperature, No Air Flow
Ch
Fig. 21. Inductor node at 6A load
Fig. 19. Start up with 1.62V Pre
Bias, 0A Load, Ch
1
:V
Fig. 17. Start up at 6A Load
in
, Ch
2
:V
o
Ch
, Ch
3
:LX
3
:V
2
:V
ss
o
, Ch
, Ch
4
3
:Enable
:V
SS
Ch
Fig. 20. Output Voltage Ripple, 6A
Fig. 22. Short (Hiccup) Recovery
1
:V
Fig. 18. Start up at 6A Load,
in
, Ch
Ch
2
load Ch
:V
2
:V
o
, Ch
o
IR3856WMPbF
, Ch
3
3
:V
: V
3
:V
ss
o
, Ch
SS
4
:V
PGood
PD-97506
25