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IRDCIP1001-A Datasheet(PDF) 2 Page - International Rectifier

Part No. IRDCIP1001-A
Description  IRDCiP1001-A, 200kHz, 20A, 3.3VIN to 4.5VIN Single Phase Synchronous Buck Converter using iP1001
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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2
IRDCiP1001-A
Table 1 - iP1001 VID Code
* Shutdown : Upon receipt of the shutdown code (per VID code table above), both FETs are turned OFF and the output
is discharged as it enters UVP fault mode.
Equation 1 : Vout = V
F . {1 + R3/R4}
where V
F is equal to the DAC setting
and R4 is recommended to be ~1k
For output voltages above the DAC maximum setting of 2V, refer to Equation 1 below to calculate the
required resistor values for R3 & R4 (needed in order to achieve the extended output voltage range).
Fig. 1 - Recommended Operating Area
0
5
10
15
20
25
0.9
1.2
1.5
1.8
2.1
2.4
2.7
3.0
3.3
VIN = 3.3V,
200kHz
VIN = 5V to 12V
200kHz/300kHz
Output Voltage (V)
D4
D3
D2
D1
D0
Output
Voltage
(V)
D4
D3
D2
D1
D0
Output
Voltage
(V)
00
000
2.00
10
000
1.275
00
001
1.95
10
001
1.250
00
010
1.90
10
010
1.225
00
011
1.85
10
011
1.200
00
100
1.80
10
100
1.175
00
101
1.75
10
101
1.150
00
110
1.70
10
110
1.125
00
111
1.65
10
111
1.100
01
000
1.60
11
000
1.075
01
001
1.55
11
001
1.050
01
010
1.50
11
010
1.025
01
011
1.45
11
011
1.000
01
100
1.40
11
100
0.975
01
101
1.35
11
101
0.950
01
110
1.30
11
110
0.925
0
1
1
1
1
Shutdown*
1
1
1
1
1
Shutdown*




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