MAX17409 데이터 시트보기 (PDF) - Maxim Integrated
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MAX17409 Datasheet PDF : 32 Pages
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1-Phase Quick-PWM GPU Controller
ON OFF (VRON)
10
6
11
12
13
VID INPUTS
14
15
16
VALLEY CURRENT LIMIT SET BY THE TIME TO ILIM
VLIMIT = 0.2V x R2/(R2 + R3)
SLEW RATE SET BY TIME BIAS CURRENT
dV/dt = 12.5mV/µs x 71.5kΩ/(R2 + R3)
26
R3
R2
25
AGND
VREF
CREF
100pF
3.3V
R4
R5
10kΩ 10kΩ
9
24
R6
7.87kΩ
VCC
7
NTC2
100kΩ
B = 4700
SHDN
VCC
SKIP
G0
VDD
G1
G2
G3
G4
TON
G5
MAX17409 BST
DH
LX
ILIM
DL
REF
PGND
CSP
CSN
PWRGD
VRHOT
FB
THRM
GNDS/OFSP
R1
27
10Ω
C1
1.0µF
AGND
19
SWITCHING FREQUENCY (fSW = 1/tSW):
tSW = 16.3pF x (RTON + 6.5kΩ)
8
RTON
RBST
20 0Ω
22
CBST
NHI
0.1µF
21
5V BIAS
INPUT
C2
1.0µF
PWR
CIN
PWR
INPUT
7V TO 24V
L1
18
17
5
4
C3
3
2
R20
OPEN
NLO D1
PWR
R10
R11
NTC1
C5
OPEN
C7
AGND
C6
OPEN
AGND
RFB
DCR THERMAL COMPENSATION
LOAD LINE ADJUSTMENT:
RFB = RDROOP/(RSENSE x 600µS)
C8
1000pF
R13
10Ω
AGND
C9
R14
1000pF
10Ω
AGND
CORE
OUTPUT
COUT
PWR
R15
10Ω
OUTPUT
SENSE
GROUND
SENSE
R16
10Ω
C4
0.1µF
AGND
AGND
R8
10kΩ
RIMON
1 IMON
CCV 28
AGND 23
GND (EP)
VREF
CCCV
100pF
RGND
0Ω
REMOTE-SENSE FILTERS
PWR
CATCH RESISTORS
REQUIRED WHEN
CPU NOT POPULATED
AGND
AGND
PWR
Figure 1. MAX17409 Application Circuit
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