IR3841WMTR1PBF International Rectifier, IR3841WMTR1PBF Datasheet - Page 25

• Manufacturer Part Number: IR3841WMTR1PBF
• Description: IC REG SYNC BUCK 8A 15-QFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3841WMTR1PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 14.4 V
• Current - Output: 8A
• Frequency - Switching: 225kHz ~ 1.65MHz
• Voltage - Input: 1.5 ~ 16 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 15-PowerVQFN
• Power - Output: 1.5W
• Primary Input Voltage: 16V
• No. Of Outputs: 1
• Output Voltage: 14.4V
• Output Current: 8A
• No. Of Pins: 15
• Operating Temperature Range: -40°C To +125°C
• Output Voltage Adjustable Max, Vout: 14.4V
• Rohs Compliant: Yes
• 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 + SEQ + OVD
• Design Tool: Yes
• Server Storage: Yes
• Routers Switches: Yes
• Base Station Telecom: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: IR3841WMTR1PBFTR

Rev 5.0
TYPICAL OPERATING WAVEFORMS
Vin=12.0V, Vcc=5V, Vo=1.8V, Io=0-8A, Room Temperature, No Air Flow
Ch
1
Bias, 0A Load, Ch
Fig. 19: Start up with 1.62V Pre
Fig. 21: Inductor node at 8A load
:V
Fig. 17: Start up at 8A Load
in
, Ch
2
:V
out
Ch
, Ch
3
:LX
3
2
:V
:V
ss
out
, Ch
, Ch
4
:Enable
3
:V
SS
Ch
Fig. 20: Output Voltage Ripple, 8A
Fig. 22: Short (Hiccup) Recovery
1
:V
Fig. 18: Start up at 8A Load,
in
, Ch
Ch
load Ch
2
2
:V
:V
IR3841WMPbF
out
out
, Ch
, Ch
2
: V
3
3
:V
out
:V
ss
ss
, Ch
4
:V
PGood
25