IR3856WMTR1PBF International Rectifier, IR3856WMTR1PBF Datasheet - Page 10

• Manufacturer Part Number: IR3856WMTR1PBF
• Description: IC REG SYNC BUCK 6A 17-QFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3856WMTR1PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 14.4 V
• Current - Output: 6A
• Frequency - Switching: 225kHz ~ 1.65MHz
• Voltage - Input: 1.5 ~ 16 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 17-PowerVQFN
• Power - Output: 1.3W
• Part Status: Active
• Package: PQFN / 4 x 5
• Circuit: Single Output
• Iout (a): 6
• Switch Freq (khz): 0 - 750
• 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
• Server Storage: Yes
• Routers Switches: Yes
• Base Station Telecom: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: IR3856WMTR1PBFTR

Rev 8.0
Typical Efficiency and Power Loss Curves
Vin=12V, Vcc=5V, Io=1A-6A, F
The table below shows the inductors used for each of the output voltages
in the efficiency measurement.
1.9
1.7
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
1.0
Vo (V)
0.9
1.0
1.1
1.2
1.5
1.8
2.5
3.3
5.0
0.9V
0.9V
1.5
1.5
L (uH)
1.0V
1.0V
0.68
0.68
0.82
0.82
1.0
1.0
1.5
1.5
2.2
2.0
2.0
s
=600kHz, Room Temperature, No Air Flow
1.1V
P/N
PCMB065T-R68MS
PCMB065T-R68MS
IHLP2525EZERR82M
IHLP2525EZERR82M
SPM6550T-1R0M100A
SPM6550T-1R0M100A
PCMB065T-1R5MS
PCMB065T-1R5MS
PCMB065T-2R2MS
1.1V
2.5
2.5
Load Current (A)
Load Current (A)
3.0
3.0
1.2V
1.2V
3.5
3.5
1.5V
1.5V
4.0
4.0
1.8V
1.8V
DCR (mOhm)
4.5
4.5
2.5V
2.5V
11.2
3.9
3.9
4.6
4.6
4.7
4.7
6.7
6.7
5.0
5.0
IR3856WMPbF
3.3V
3.3V
5.5
5.5
5.0V
5.0V
6.0
6.0
PD-97506
10