L6728D STMicroelectronics, L6728D Datasheet - Page 8

• Manufacturer Part Number: L6728D
• Description: IC CTLR PWM 1PH POWERGOOD 10DFN
• Manufacturer: STMicroelectronics

Specifications of L6728D

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical specifications
Table 5.
1. Guaranteed by design, not subject to test.
8/33
Gate drivers
Overcurrent protection
Over and undervoltage protections
PGOOD
V
PGOOD
Symbol
V
R
R
I
I
I
VSEN
PGOODL
OCSET
UGATE
LGATE
OC_SW
OVP
UVP
UGATE
LGATE
Electrical characteristics (continued)
HS source current
HS sink resistance
LS source current
LS sink resistance
OCSET current source
OC switch-over threshold
OVP threshold
UVP threshold
VSEN bias current
Upper threshold
Lower threshold
PGOOD voltage low
Parameter
VCC = 5 V
VSEN rising
BOOT - PHASE = 5 V
BOOT - PHASE = 5 V
VCC = 5 V
Sourced from LGATE pin, during OC
setting phase.
V
VSEN rising
un-latch, VSEN falling
VSEN falling
Sourced from VSEN
VSEN falling
I
PGOOD
LGATE/OC
Doc ID 16498 Rev 1
= -4 mA
Test conditions
rising
0.970
0.570
0.860
0.680
Min.
0.35
9
0.600
0.890
0.710
1.000
Typ.
0.65
0.40
600
100
1.5
1.1
1.5
10
1.030
0.630
0.920
0.740
Max.
0.45
0.4
11
L6728D
Unit
mV
μA
nA
Ω
Ω
A
A
V
V
V
V
V
V