MAX17020ETJ+ Maxim Integrated Products, MAX17020ETJ+ Datasheet - Page 32

• 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 7. Standard Output Application Circuit—Chipset Supply
32
1.5V OUTPUT
______________________________________________________________________________________
NOTE: PLACE C22 BETWEEN
IN AND PGND AS CLOSE AS
POSSIBLE TO THE MAX17020.
POWER GROUND
ANALOG GROUND
C
OUT1
5V SYSTEM SUPPLY
3.3V SMPS SUPPLY
3.3V LDO OUTPUT
11.3kΩ
R1
L1
10kΩ
1.0μF
R2
47Ω
C2
R10
N
N
4.7μF
C
0.1μF
4.7μF
1μF
H1
L1
BST1
R
0.1μF
C5
C6
C1
ILIM1
C22
DH1
BST1
LX1
DL1
OUT1
FB1
SECFB
V
V
LDOREFIN
BYP
LDO
ILIM1
DD
CC
MAX17020
PAD
IN
PGOOD1
PGOOD2
REFIN2
ONLDO
PGND
AGND
ILIM2
OUT2
BST2
SKIP
DH2
ON1
ON2
TON
RTC
LX2
DL2
REF
0.1μF
C4
X
100kΩ
R
RGND
R6
ILIM2
0Ω
OUT1/OUT2 SWITCHING FREQUENCY
OPEN (REF): 400kHz/300kHz
C
0.1μF
N
N
BST2
H2
L2
C3
1μF
ON
R7
100kΩ
OFF
C
2x 10μF 25V
L2
IN
3.3 SMPS SUPPLY
}
RTC SUPPLY
INPUT (V
7V TO 24V
POWER-GOOD
C
OUT2
IN
)*
1.05V OUTPUT