IR3840MTR1PBF International Rectifier, IR3840MTR1PBF Datasheet - Page 9

• Manufacturer Part Number: IR3840MTR1PBF
• Description: IC REG SYNC SUPIRBUCK 12A 5X6QFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3840MTR1PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 14.4 V
• Current - Output: 12A
• 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: 2.6W
• Part Status: Active
• Package: PQFN / 5 x 6
• Circuit: Single Output
• Iout (a): 12
• 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: IR3840MTR1PBFTR

06/18/09
Typical Efficiency and Power Loss Curves
Vin=12V, Vcc=5V, Io=1A-12A, F
The table below shows the inductors used for each of the output voltages
in the efficiency measurement.
98
96
94
92
90
88
86
84
82
80
78
76
74
72
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1
1
Vout (V)
Vout (V)
1V out
1.2
1.2
1.5
1.5
1.8
1.8
3.3
3.3
1V out
2
1
1
5
5
2
3
3
1.2V out
L (uH)
L (uH)
1.2V out
0.22
0.22
0.36
0.36
0.56
0.56
0.6
0.6
4
s
1
1
1
1
4
=600kHz, Room Temperature, No Air Flow
5
5
Lo ad Cu rre n t (A)
Loa d Curre nt (A)
1.5V out
1.5V out
ETQP4LR36WFC
ETQP4LR36WFC
ETQP4LR56WFC
ETQP4LR56WFC
6
PA1320-221NL
PA1320-221NL
6
MPL104-0R6
MPL104-0R6
MPL105-1R0
MPL105-1R0
MPL105-1R0
MPL105-1R0
7
7
P/N
P/N
1.8V out
1.8V out
8
8
9
9
3.3V out
3.3V out
10
10
(mΩ)
(mΩ)
DCR
DCR
0.48
0.48
1.56
1.56
1.1
1.1
1.7
1.7
2.5
2.5
2.5
2.5
11
11
5V out
12
5V out
12
IR3840MPbF
9