IR3841WMTR1PBF International Rectifier, IR3841WMTR1PBF Datasheet - Page 8

• 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 Efficiency and Power Loss Curves
Vin=12V, Vcc=5V, Io=1A-8A, F
The table below shows the inductors used for each of the output voltages
in the efficiency measurement.
2.1
1.9
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.1
98
96
94
92
90
88
86
84
82
80
1
1
0.9V
0.9V
2
2
1.0V
1.0V
Vo (V)
0.7
0.8
0.9
1.0
1.1
1.2
1.5
1.8
2.5
3.3
5.0
s
=600kHz, Room Temperature, No Air Flow
1.1V
3
3
1.1V
L (uH)
0.4
0.4
0.4
0.5
0.5
0.6
0.9
0.9
1.0
1.2
1.5
Load Current (A)
Load Current (A)
1.2V
1.2V
4
4
MPC1040LR88
MPC1040LR88
MPL105-1R0IR
MPL105-1R0IR
MPL105-1R0IR
MPL104-0R6
59PR9875N
59PR9875N
59PR9875N
59PR9876N
59PR9876N
1.5V
P/N
1.5V
5
5
1.8V
1.8V
DCR (mOhm)
0.29
0.29
0.29
0.29
0.29
1.50
2.30
2.30
2.30
2.30
2.30
6
6
2.5V
2.5V
3.3V
IR3841WMPbF
3.3V
7
7
5.0V
5.0V
8
8
8