IR3843WMTR1PBF International Rectifier, IR3843WMTR1PBF Datasheet - Page 10

• Manufacturer Part Number: IR3843WMTR1PBF
• Description: IC REG SYNC BUCK 2A 15-QFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3843WMTR1PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 14.4 V
• Current - Output: 2A
• 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: 394mW
• Primary Input Voltage: 16V
• No. Of Outputs: 1
• Output Voltage: 14.4V
• Output Current: 2A
• 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): 2
• 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: IR3843WMTR1PBFTR

Rev 10.0
Typical Efficiency and Power Loss Curves
Vin=12V, Vcc=5V, Io=0.2A-2A, F
The table below shows the inductors used for each of the output voltages
in the efficiency measurement.
0.55
0.45
0.35
0.25
0.15
0.05
0.5
0.4
0.3
0.2
0.1
96
94
92
90
88
86
84
82
80
78
76
74
72
70
68
0.2
0.2
0.9V
0.4
0.4
0.9V
Vout (V)
Vout (V)
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
1V
1V
0.6
0.6
s
1.1V
L (uH)
L (uH)
=600kHz, Room Temperature, No Air Flow
1.1V
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
3.3
3.3
3.3
3.3
4.7
4.7
4.7
4.7
5.6
5.6
0.8
0.8
1.2V
1.2V
IHLP2525EZ-01 2.2uH
IHLP2525EZ-01 2.2uH
IHLP2525EZ-01 2.2uH
IHLP2525EZ-01 2.2uH
IHLP2525EZ-01 2.2uH
IHLP2525EZ-01 2.2uH
IHLP2525EZ-01 2.2uH
IHLP2525EZ-01 2.2uH
IHLP2525EZ-01 3.3uH
IHLP2525EZ-01 3.3uH
IHLP2525EZ-01 3.3uH
IHLP2525EZ-01 3.3uH
IHLP2525EZ-01 4.7uH
IHLP2525EZ-01 4.7uH
IHLP2525EZ-01 4.7uH
IHLP2525EZ-01 4.7uH
IHLP2525EZ-01 5.6uH
IHLP2525EZ-01 5.6uH
1
1
Iout (A)
Iout (A)
1.5V
1.5V
P/N
P/N
1.2
1.2
1.8V
1.8V
1.4
1.4
2.5V
2.5V
(mΩ)
(mΩ)
DCR
DCR
19.9
19.9
19.9
19.9
28.9
28.9
28.9
28.9
32.7
32.7
13
13
13
13
13
13
13
13
1.6
1.6
3.3V
3.3V
1.8
IR3843WMPbF
1.8
5V
5V
2
2
PD-97507
10