IR3897MTRPBF International Rectifier, IR3897MTRPBF Datasheet - Page 12

• Manufacturer Part Number: IR3897MTRPBF
• Description: 4A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
• Manufacturer: International Rectifier

Specifications of IR3897MTRPBF

• Part Status: Active and Preferred
• Package: PQFN / 4 x 5
• Circuit: Single Output
• Iout (a): 4
• Switch Freq (khz): 0 - 1500
• Input Range (v): 1.0 - 16
• Output Range (v): 0.5 - 12
• Pbf: PbF Option Available

TYPICAL EFFICIENCY AND POWER LOSS CURVES
PVin = 5.0V, Vcc = 5.0V, Io = 0A‐4A, Fs = 600KHz, Room Temperature, No Air Flow
The table below shows the inductors used for each of the output voltages in the efficiency measurement.
VOUT (V)
12
1.0
1.2
1.8
3.3
FEBRUARY 02, 2012 |DATA SHEET | Rev 3.2
97
95
93
91
89
87
85
83
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.4
0.4
0.8
0.8
LOUT (µH)
Single‐Input Voltage, Synchronous Buck Regulator
1.5
1.5
1
1
1.2
1.2
1.6
1.6
1.0V
1.0V
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PCMB065T-1R5MS (Cyntec)
PCMB065T-1R5MS (Cyntec)
SPM6550T-1R0M (TDK)
SPM6550T-1R0M (TDK)
Load Current (A)
4A Highly Integrated SupIRBuck
Load Current (A)
2
2
1.2V
1.2V
2.4
1.8V
2.4
1.8V
P/N
3.3V
3.3V
2.8
2.8
3.2
3.2
3.6
3.6
TM
DCR (mΩ)
4
4
4.7
4.7
6.7
6.7
IR3897
PD‐97663