ip2005a International Rectifier Corp., ip2005a Datasheet - Page 6
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ip2005a
Manufacturer Part Number
ip2005a
Description
High Frequency Synchronous Buck Optimized Lga Power Stage
Manufacturer
International Rectifier Corp.
Datasheet
1.IP2005A.pdf
(18 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Manufacturer:
TOSHIBA
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68
Part Number:
ip2005aPBF
Manufacturer:
IR
Quantity:
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Company:
Part Number:
ip2005aTRPBF
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Typical Performance Curves
www.irf.com
1.07
1.06
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
Figure 5 Normalized Power Loss vs. Inductance
Figure 3 Normalized Power Loss vs. Input Voltage
0.1
6
L
T
F
V
V
OUT
I
BLK
OUT
SW
OUT
DD
= 1MHz
= 300nH
= 125ºC
= 5.0V
= 40A
= 1.3V
0.2
7
0.3
8
Output Inductance (µH)
Input Voltage (V)
9
0.4
10
0.5
Figure 7 V
11
0.6
12
DD
T
V
F
V
V
I
BLK
0.7
SW
OUT
OUT
IN
DD
= 12.0V
= 1MHz
= 125ºC
Supply Current vs. Switching Frequency
= 5.0V
= 40A
= 1.3V
13
0.8
2/8/2008
14
1.7
1.4
1.2
1.0
0.7
0.5
0.2
0.0
-0.2
-0.5
-0.7
-1.0
2.4
1.9
1.4
1.0
0.5
0.0
-0.5
-1.0
-1.4
-1.9
-2.4
Figure 6 Normalized Power Loss vs. Switching Frequency
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
1.20
1.18
1.16
1.14
1.12
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
250
Figure 4 Normalized Power Loss vs. Output Voltage
0.8
L
T
V
V
V
OUT
I
BLK
L
T
OUT
OUT
IN
F
DD
V
V
OUT
I
BLK
OUT
SW
IN
= 12.0V
DD
= 300nH
= 125ºC
= 5.0V
= 1.3V
= 40A
= 12.0V
= 300nH
= 1MHz
= 125ºC
= 5.0V
= 40A
500
1.3
Switching Frequency (kHz)
Output Voltage (V)
750
1.8
iP2005APbF
1000
2.3
PD-60325
1250
2.8
3.3
1500
4.2
3.7
3.3
2.8
2.3
1.9
1.4
0.9
0.5
0.0
-0.5
-0.9
7.5
5.0
2.5
0.0
-2.5
-5.0
-7.5
-10.0
6