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MAX17021 Datasheet(PDF) 22 Page - Maxim Integrated Products

Part # MAX17021
Description  Dual-Phase, Quick-PWM Controllers for IMVP-6/IMVP-6.5 CPU Core Power Supplies
PDF  48 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX17021 Datasheet(HTML) 22 Page - Maxim Integrated Products

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Dual-Phase, Quick-PWM Controllers for
IMVP-6+/IMVP-6.5 CPU Core Power Supplies
22
______________________________________________________________________________________
MAX17082
MAX17482
C1
1.0
μF
C2
1.0
μF
5V BIAS
INPUT
AGND
AGND
C4
0.22
μF
C7
0.22
μF
C9
0.22
μF
R11
1.50k
Ω
R1
12.1k
Ω
R2
59.0k
Ω
NTC1
10k
Ω
B = 3380
R12
20k
Ω
6
VCC
RTON
200k
Ω
16
TON
R9
0
Ω
30
BST1
CIN
NHI
SHDN
13
DPRSLPVR
14
SLOW
31
PSI
15
PGDIN
1
D0
VALLEY CURRENT LIMIT SET TO ILIM
VLIMIT = 0.2V x R1/(R1 + R2)
SLEW RATE SET BY TIME BIAS CURRENT
dV/dt = 12.5mV/
μs x 71.5kΩ/(R1 + R2)
SWITCHING FREQUENCY (fSW = 1/TSW):
TSW = 16.3pF x (RTON + 6.5k
Ω)
32
D1
33
D2
34
D3
35
D4
36
D5
37
D6
38
26
VDD
PWR
PWR
PWR
INPUT
7V TO 24V
CORE
OUTPUT
ON OFF (VRON)
V3P3
17
PHASEGD
20
3.3V
1.1V
VCC
VSS_SENSE
VID INPUTS
28
DH1
29
LX1
C8
0.22
μF
C15
0.022
μF
R13
0
Ω
21
BST2
NLO
NHI
27
DL1
L1
DCR THERMAL
COMPENSATION
D1
22
LX2
R10
1.21k
Ω
PWR
PWR
NLO
24
DL2
L2
D1
23
DH2
R15
1.50k
Ω
R16
20k
Ω
NTC2
10k
Ω
B = 3380
R14
1.21k
Ω
R22
25
Ω
R23
25
Ω
40
CSN1
C5
0.22
μF
C10
1000pF
39
CSP1
AGND
AGND
AGND
C6
OPEN
7
CCI
12
CSP2
C11
0.22
μF
11
CSN2
AGND
C12
OPEN
COUT
PWR
COUT
PWR
ILIM
4
TIME
5
R6
13k
Ω
THRM
2
R5
10k
Ω
R4
1.9k
Ω
R3
56
Ω
PWRGD
19
VRHOT
25
CLKEN
18
R7
4.7k
Ω
RFB
4.02k
Ω
1%
LOAD-LINE ADJUSTMENT:
RFB = RDROOP/(RSENSE x 600
μs)
R20
10
Ω
R21
10
Ω
R8
9.09k
Ω
IMON
3
NTC3
100k
Ω
B = 4250
GND (EP)
AGND
PWR
FB
8
FBAC
9
GNDS
10
AGND
C13
1000pF
REMOTE-SENSE FILTERS
AGND
C14
1000pF
VCC_SENSE
VSS_SENSE
REMOTE-SENSE
INPUTS
CATCH RESISTORS
REQUIRED WHEN CPU NOT
POPULATED
R19
10
Ω
Figure 2. Standard 2-Phase IMVP-6.5 (Calpella) Application Circuit



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