L6728A STMicroelectronics, L6728A Datasheet - Page 8

• Manufacturer Part Number: L6728A
• Description: Voltage Mode PWM Controllers Hi-Freq. singl-phase PWM controller w/Po
• Manufacturer: STMicroelectronics

Specifications of L6728A

• Number Of Outputs: Dual Output
• Topology: Buck
• Output Voltage: 0.8 V
• Output Current: 1500 mA
• Switching Frequency: 660 KHz
• Duty Cycle (max): 67 %
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Package / Case: VFDFPN-10 EP
• Synchronous Pin: No
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

L6728A
Table 5.
1. Guaranteed by design, not subject to test.
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
BOOT - PHASE = 5 V
BOOT - PHASE = 5 V
V
V
Sourced from LGATE pin, during OC
setting phase
V
VSEN rising
unlatch, VSEN Falling
VSEN falling
Sourced from VSEN
VSEN rising
VSEN falling
I
°
PGOOD
C to 70 °C unless otherwise specified)
CC
CC
LGATE/OC
= 5 V
= 5 V
= -4 mA
Test conditions
rising
0.860
0.680
Min.
0.90
0.35
0.50
9
Electrical specifications
0.890
0.710
Typ.
0.65
1.00
0.40
0.60
600
100
1.5
1.1
1.5
10
0.920
0.740
Max.
1.10
0.45
0.70
0.4
11
Unit
mV
μA
nA
Ω
A
Ω
V
V
V
V
V
A
V
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