MAX5043ETN+T Maxim Integrated Products, MAX5043ETN+T Datasheet - Page 20

• Manufacturer Part Number: MAX5043ETN+T
• Description: IC PWR W/MOSFET HS 56-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX5043ETN+T

• Package / Case: 56-TQFN
• Voltage - Supply: 20 V ~ 76 V
• Frequency-max: 500kHz
• Operating Temperature: -40°C ~ 85°C
• Number Of Outputs: 1
• Duty Cycle: 47%
• Pwm Type: Voltage/Current Mode
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Two-Switch Power ICs with Integrated
Power MOSFETs and Hot-Swap Controller
Figure 8. MAX5043 Typical Application Circuit (48V Power Supply without Hot-Swap Capability, this Circuit has not been Tested)
20
32V TO 72V
PWMNEG
220µF
100V
0.68µF
100V
V
C1
IN+
______________________________________________________________________________________
R12
200kΩ
1%
C9
220pF
0.1µF
C12
C13
1µF
10kΩ
R13
1MΩ
R14
C25
0.22µF
10kΩ
R20
10kΩ
R22
24.9kΩ
C13
1µF
R15
1%
RAMP
RCFF
REG9
DRVIN
FLTINT
DRVDEL
SYNC
PWMSD
REG5
RCOSC
POSINPWM
C14
100pF
CSS
C11
0.1µF
DRNH
PWMNEG
UVLO
MAX5043
Typical Application Circuits (continued)
U1
PWMNEG,
CSN
1.24kΩ
R21
1%
OPTO
33mΩ
R10
1%
SRC, CSP
XFRMRH
XFRMRL
REG15
BST
C6
0.1µF
C7
1µF
15Ω
R9
R6
200Ω
1%
C8
0.33µF
D4
D1
D2
T1
E
C
D3
0.15µF
FOD2712
C19
U2
COMP
4.4µH
L1
GND
LED
150µF
FB
6.3V
C17
0.1µF
C15
R3
150Ω
1%
150µF
6.3V
C18
10Ω
R4
R1
25.5kΩ
1%
R2
8.25kΩ
1%
10Ω
1%
R5
C4
0.1µF
SGND
5V
10A