IR3842WMTR1PBF International Rectifier, IR3842WMTR1PBF Datasheet - Page 10

• Manufacturer Part Number: IR3842WMTR1PBF
• Description: IC REG SYNC BUCK 4A 15-QFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3842WMTR1PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 14.4 V
• Current - Output: 4A
• 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: 640mW
• Primary Input Voltage: 16V
• No. Of Outputs: 1
• Output Voltage: 14.4V
• Output Current: 4A
• 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): 4
• 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: IR3842WMTR1PBFTR

Rev 11.0
Typical Efficiency and Power Loss Curves
Vin=12V, Vcc=5V, Io=0.5A-4A, F
The table below shows the inductors used for each of the output voltages
in the efficiency measurement.
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
98
96
94
92
90
88
86
84
82
80
78
0.5
0.5
0.9V
0.9V
1.0
1.0
1.0V
Vout (V)
Vout (V)
1.0V
0.9
0.9
1.1
1.1
1.2
1.2
1.5
1.5
1.8
1.8
2.5
2.5
3.3
3.3
1
1
5
5
1.1V
1.5
1.5
1.1V
s
=600kHz, Room Temperature, No Air Flow
L (uH)
L (uH)
0.9
0.9
1.2
1.2
1.2
1.2
1.2
1.2
1.5
1.5
1.5
1.5
2.2
2.2
2.2
2.2
3.2
3.2
1.2V
Load Current (A)
1.2V
Load Current (A)
2.0
2.0
PIMC104T-2R2MN
PIMC104T-2R2MN
PIMC104T-2R2MN
PIMC104T-2R2MN
SER1052-322MLB
SER1052-322MLB
MPL1055-1R2IR
MPL1055-1R2IR
MPL1055-1R2IR
MPL1055-1R2IR
MPL1055-1R2IR
MPL1055-1R2IR
MPO104-0R9IR
MPO104-0R9IR
MPO104-1R5IR
MPO104-1R5IR
MPO104-1R5IR
MPO104-1R5IR
1.5V
1.5V
P/N
P/N
2.5
2.5
1.8V
1.8V
3.0
3.0
2.5V
2.5V
(mΩ)
(mΩ)
DCR
DCR
2.45
2.45
2.5
2.5
2.5
2.5
2.5
2.5
3.8
3.8
3.8
3.8
6.7
6.7
6.7
6.7
6
6
3.5
3.5
3.3V
3.3V
IR3842WMPbF
5.0V
5.0V
4.0
4.0
10