IR3841MTR1PBF International Rectifier, IR3841MTR1PBF Datasheet - Page 10

• Manufacturer Part Number: IR3841MTR1PBF
• Description: IC REG SYNC SUPIRBUCK 8A 5X6QFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3841MTR1PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 14.4 V
• Current - Output: 8A
• Frequency - Switching: 250kHz ~ 1.5MHz
• Voltage - Input: 1.5 ~ 16 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 15-PowerVQFN
• Power - Output: 1.6W
• Part Status: Active
• 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
• Server Storage: Yes
• Routers Switches: Yes
• Base Station Telecom: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: IR3841MTR1PBFTR

06/18/09
Typical Efficiency and Power Loss Curves
Vin=5V, Vcc=5V, Io=1A-8A, Fs=600kHz, Room Temperature, No Air Flow
For all the output voltages, L=0.51uH (DCR=0.29 mΩ, P/N: 59PR9876N)
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.1
96
94
92
90
88
86
84
82
1.0
1
1.5
0.7Vout
1.2Vout
0.7Vout
1.2Vout
2.0
2
2.5
3.0
0.75Vout
1.5Vout
3
0.75Vout
1.5Vout
3.5
Load Current (A)
Load Current (A)
4.0
4
0.9Vout
1.8Vout
0.9Vout
1.8Vout
4.5
5.0
5
5.5
1.0Vout
2.5Vout
1.0Vout
2.5Vout
6.0
6
6.5
1.1Vout
3.3Vout
7.0
1.1Vout
3.3Vout
7
7.5
IR3841MPbF
8.0
8
10