L6728DTR STMicroelectronics, L6728DTR Datasheet - Page 24

• Manufacturer Part Number: L6728DTR
• Description: IC PWM CTLR 1PH POWERGOOD 10DFN
• Manufacturer: STMicroelectronics

Specifications of L6728DTR

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 330kHz
• Duty Cycle: 80%
• Voltage - Supply: 5 V ~ 12 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 10-DFN
• Frequency-max: 330kHz
• Duty Cycle (max): 80 %
• Mounting Style: SMD/SMT
• Switching Frequency: 300 KHz
• Operating Supply Voltage: 5 V to 12 V
• Supply Current: 6 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10432-2

20 A demonstration board
24/33
Table 6.
Capacitors
Resistors
Inductor
Active components
Qty
2
1
3
2
2
2
1
1
1
4
4
1
2
2
1
1
1
1
1
1
1
1
C1, C2
C10
C11 to C13
C14, C38
C15, C19
C18, C20
C23
C24
C35
R1, R2, R20, R17
R3, R5, R11, R16
R4
R6, R9
R8, R13
R7
R19
R18
L1
D1
Q5
Q7
U1
20 A demonstration board - bill of material
Reference
Doc ID 16498 Rev 1
Electrolytic capacitor 1800 µF 16 V
Nippon chemi-con KZJ or KZG
MLCC, 100 nF, 16V, X7R
MLCC, 4.7 μF, 16V, X5R
Murata GRM31CR61C475MA01
MLCC, 1 μF, 16V, X7R
MLCC, 10 μF, 6.3 V, X7R
Murata GRM31CR70J106KA01L
Electrolytic capacitor 2200 μF 6.3 V
Nippon chemi-con KZJ or KZG
MLCC, 6.8 nF, X7R
MLCC, 33 nF, X7R
MLCC, 68 pF, X7R
Resistor, 3R3, 1/16W, 1%
Resistor, 0R, 1/8W, 1%
Resistor, 1R8, 1/8W, 1%
Resistor, 2K2, 1/16W, 1%
Resistor, 3K9, 1/16W, 1%
Resistor, 18K, 1/16W, 1%
Resistor, 22K, 1/16W, 1%
Resistor, 20K, 1/16W, 1%
Inductor, 1.25 μH, T60-18, 6 turns
Easymagnet AP106019006P-1R1M
Diode, 1N4148 or BAT54
STD70N02L
STD95NH02LT4
Controller, L6728D
Description
Radial 10 x 25 mm
Radial 10 x 20 mm
DFN10, 3x3 mm
SMD0603
SMD1206
SMD0805
SMD1206
SMD0603
SMD0603
SMD0805
SMD0603
Package
DPACK
SOT23
na
L6728D