L6728TR STMicroelectronics, L6728TR Datasheet - Page 8

• Manufacturer Part Number: L6728TR
• Description: IC PWM CTLR 1PH PWRGOOD 10DFN
• Manufacturer: STMicroelectronics

Specifications of L6728TR

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 330kHz
• Duty Cycle: 80%
• Voltage - Supply: 4.5 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
• Output Voltage: 0.8 V
• Output Current: 30 A
• Input Voltage: 1.5 V to 13.2 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• For Use With: 497-8228 - BOARD EVALUATION W/L6728497-6418 - BOARD EVAL BASED ON L6728
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6274-2

Electrical specifications
Table 5.
1. Guaranteed by design, not subject to test.
8/31
Gate drivers
I
R
I
R
Over-current protection
I
V
Over and under-voltage protections
OVP
UVP
VSEN
PGOOD
PGOOD
V
UGATE
LGATE
OCSET
OC_SW
PGOODL
UGATE
LGATE
Symbol
Electrical characteristics (continued)
(V
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
CC
= 5 V to 12 V; T
Parameter
J
= 0 to 70
BOOT - PHASE = 5 V
BOOT - PHASE = 5 V
VCC = 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 rising
VSEN falling
I
PGOOD
LGATE/OC
°
C unless otherwise specified)
= -4 mA
Test conditions
rising
0.970
0.570
0.860
0.680
0.35
Min
9
0.600
0.890
0.710
1.000
0.65
0.40
Typ
600
100
1.5
1.1
1.5
10
1.030
0.630
0.920
0.740
Max
0.45
0.4
11
L6728
Unit
mV
μA
nA
A
Ω
A
Ω
V
V
V
V
V
V