IR3897MTR1PBF International Rectifier, IR3897MTR1PBF Datasheet - Page 12
IR3897MTR1PBF
Manufacturer Part Number
IR3897MTR1PBF
Description
4A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
Manufacturer
International Rectifier
Datasheet
1.IR3897MTR1PBF.pdf
(42 pages)
Specifications of IR3897MTR1PBF
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IR3897MTR1PBF
Manufacturer:
IR
Quantity:
560
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
- 12 -
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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