ip2005c International Rectifier Corp., ip2005c Datasheet - Page 5

• Manufacturer Part Number: ip2005c
• Description: Synchronous Buck Optimized Lga Power Block
• Manufacturer: International Rectifier Corp.

Typical Performance Curves
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Figure 7 Normalized Power Loss vs. Drive Voltage
Figure 3 Normalized Power Loss vs. Input Voltage
Figure 5 Normalized Power Loss vs. Inductance
1.30
1.25
1.20
1.15
1.10
1.05
1.00
0.95
0.90
1.04
1.03
1.02
1.01
1.00
0.99
0.98
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
0.88
0.86
2.5
4.50
0.1
4
0.2
4.75
5.5
0.3
Output Inductance (µH)
5.00
Input Voltage (V)
Drive Voltage (V)
7
0.4
8.5
5.50
0.5
10
6.00
0.6
12
T
F
V
BLK
V
V
I
SW
T
OUT
T
F
DD
F
I
L
L
O
BLK
BLK
V
SW
= 12.0V
V
V
SW
V
O
O
I
= 1.3V
= 1MHz
= 125ºC
0.7
I
= 5.0V
O
O
I
O
O
D
= 40A
6.50
= 300nH
= 12.0V
= 300nH
= 1MHz
= 1MHz
= 5.0V
= 1.3V
= 40A
= 125ºC
= 1.3V
= 40A
= 125ºC
13
04/09/2009
0.8
14
7.00
0.9
0.7
0.4
0.2
0.0
-0.2
-0.4
6.6
5.5
4.4
3.3
2.2
1.1
0.0
-1.1
-2.2
2.0
1.6
1.2
0.8
0.4
0.0
-0.4
-0.8
-1.2
-1.6
-2.0
-2.4
-2.8
Figure 6 Normalized Power Loss vs. Switching Frequency
Figure 4 Normalized Power Loss vs. Output Voltage
Figure 8 Max. Drive Current vs. Switching Frequency
1.2
1.1
1.0
0.9
0.8
0.7
120
110
100
1.30
1.25
1.20
1.15
1.10
1.05
1.00
0.95
0.90
90
80
70
60
50
40
30
20
10
250
0
250
0.8
T
L
T
F
V
L
BLK
V
V
I
T
V
BLK
O
V
I
SW
OUT
L
OUT
O
DD
I
V
DD
O
BLK
V
V
I
I
= 300nH
OUT
O
= 12.0V
= 12.0V
= 300nH
DD
I
= 1.3V
O
= 1MHz
= 125ºC
= 125ºC
= 5.0V
= 300nH
= 5.0V
= 12.0V
= 40A
= 40A
= 1.3V
= 125ºC
= 5.0V
= 40A
500
1.3
500
Switching Frequency (kHz)
Switching Frequency (kHz)
Output Voltage (V)
750
1.8
750
iP2005CPbF
1000
2.3
1000
1250
PD-60360
2.8
1250
1500
3.3
3.9
2.0
0.0
-2.0
-3.9
-5.9
1500
5.9
4.9
3.9
2.9
2.0
1.0
0.0
-1.0
-2.0
5