MAX17020ETJ+ Maxim Integrated Products, MAX17020ETJ+ Datasheet - Page 30

• Manufacturer Part Number: MAX17020ETJ+
• Description: IC CTLR PWM DUAL STEP DN 32-TQFN
• Manufacturer: Maxim Integrated Products
• Series: Quick-PWM™r
• Type: Dual Quick-PWM Step-Down Controllerr

Specifications of MAX17020ETJ+

• Applications: Power Supplies
• Current - Supply: 1mA
• Voltage - Supply: 6 V ~ 24 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Output Voltage Range: 0.7 V to 5.5 V
• Input Voltage Range: 6 V to 24 V
• Input Current: 1 mA
• Power Dissipation: 2.76 W
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual Quick-PWM Step-Down Controller
with Low-Power LDO, RTC Regulator
Figure 6. Dynamic Output Application Circuit—Graphics Supply
30
1.2V OUTPUT
______________________________________________________________________________________
NOTE: PLACE C22 BETWEEN
IN AND PGND AS CLOSE AS
POSSIBLE TO THE MAX17020.
POWER GROUND
ANALOG GROUND
C
OUT1
5V SYSTEM SUPPLY
49.9kΩ
2V
R9
L1
D1
1.0μF
C1
R1
7.15kΩ
R2
10kΩ
R8
150kΩ
1.0μF
N
N
C2
C
0.1μF
4.7μF
H1
L1
BST1
1μF
R
0.1μF
47Ω
C3
R10
ILIM1
C22
DH1
BST1
LX1
DL1
OUT1
FB1
BYP
RTC
LDO
LDOREFIN
V
SECFB
V
ILIM1
DD
CC
MAX17020
PAD
IN
PGOOD1
PGOOD2
REFIN2
ONLDO
PGND
AGND
ILIM2
OUT2
BST2
SKIP
DH2
TON
ON1
ON2
LX2
DL2
REF
X
R
100kΩ
ILIM2
OUT1/OUT2 SWITCHING FREQUENCY
OPEN (REF): 400kHz/300kHz
R3
80.6kΩ
R4
118kΩ
RGND
R6
0Ω
C
0.1μF
N
N
BST2
H2
L2
0.1μF
ON
100kΩ
C4
R5
OFF
R7
100kΩ
D2
C
L2
IN
3.3 SYSTEM SUPPLY
}
POWER-GOOD
SLEEP
INPUT (V
5V TO 24V
C
OUT2
IN
)*
0.8V/1.2V
GPU SUPPLY