IP1202 View Datasheet(PDF) - International Rectifier
Part Name
Description
Manufacturer
IP1202 Datasheet PDF : 29 Pages
| |||
iP1202
1.060
2.0
1.045
VOU T 1 =VOU T 2 =1.5V
1.5
IOU T 1 =IOU T 2 =15A
1.030
f S W =300k Hz
1.0
L =1.0µ H
1.015
T B L K =125°C
0.5
1.000
0.0
0.985
- 0.5
0.970
- 1.0
0.955
- 1.5
0.940
- 2.0
0.925
- 2.5
5
6
7
8
9
10
11
12
13
14
Input Voltage (V)
Fig. 4: Normalized Power Loss vs. VIN
1.060
1.045
1.030
1.015
1.000
VI N =12V
VOU T 1 =VOU T 2 =1.5V
IOU T 1 =I OU T 2 =15A
L =1.0µ H
T B L K =125°C
0.985
0.970
0.955
0.940
0.925
0.910
200
250
300
350
Sw itching Fre que ncy (k Hz)
2.0
1.5
1.0
0.5
0.0
- 0.5
- 1.0
- 1.5
- 2.0
- 2.5
- 3.0
400
Fig. 6: Normalized Power Loss vs. Frequency
55
205
50
VOUT = 1.5V
185
45
fsw = 300kHz
165
40
L = 1.0µH
145
35
TBLK = 125°C
125
30
Vin = 12V
105
25
85
20
65
15
Vin = 5.5V
45
10
25
5
5
6 8 10 12 14 16 18 20 22 24
Overload Current (A)
Fig. 8: Nominal Overcurrent Threshold Setting
External Resistor Selection
6
1.120
4.0
VI N =12V
1.105
IOU T 1 =I OU T 2 =15A
3.5
1.0 9 0
f SW =300kHz
3.0
L =1.0µ H
1.0 7 5
T B L K =125°C
2.5
1.0 6 0
2.0
1.0 4 5
1.5
1.0 3 0
1.0
1.0 15
0.5
1.0 0 0
0.0
0.985
- 0.5
0.970
- 1.0
0.955
- 1.5
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Output V oltage (V )
Fig. 5: Normalized Power Loss vs. VOUT
1.24
1.21
1.18
1.15
1.12
8.0
VI N =12V
7.0
VOU T 1 =VOU T 2 =1.5V
IOU T 1 =IOU T 2 =15A
6.0
f SW =300kHz
T B L K =125°C
5.0
4.0
1.09
3.0
1.06
2.0
1.03
1.0
1.00
0.0
0.97
- 1.0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
Output Inductance (PH)
Fig. 7: Normalized Power Loss vs. Inductance
400
380
360
340
320
300
280
260
240
220
200
20
25
30
35
40
45
50
RT in kOhms
Fig. 9: Per Channel Switching Frequency vs RT
www.irf.com
Share Link: 