L6728AHTR STMicroelectronics, L6728AHTR Datasheet - Page 8

• Manufacturer Part Number: L6728AHTR
• Description: IC CTLR PWM SGL PHASE 10-VFQFPN
• Manufacturer: STMicroelectronics

Specifications of L6728AHTR

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 660kHz
• Duty Cycle: 67%
• 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-VFQFN, 10-VFQFPN
• Frequency-max: 660kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8977-2

Electrical specifications
Table 5.
1. Guaranteed by design, not subject to test.
8/33
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)
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
V
VSEN rising
BOOT - PHASE = 5 V
BOOT - PHASE = 5 V
V
Sourced from LGATE pin, during OC
setting phase
V
VSEN rising
unlatch, VSEN falling
VSEN falling
Sourced from VSEN
VSEN falling
I
PGOOD
CC
CC
LGATE/OC
Doc ID 15726 Rev 1
= 5 V
= 5 V
= -4 mA
Test conditions
rising
0.860
0.680
Min.
0.90
0.35
0.50
9
0.890
0.710
Typ.
0.65
0.40
0.60
1.00
600
100
1.5
1.1
1.5
10
0.920
0.740
Max.
1.10
0.45
0.70
0.4
11
L6728AH
Unit
mV
μA
nA
Ω
Ω
A
A
V
V
V
V
V
V