L6728ATR STMicroelectronics, L6728ATR Datasheet - Page 8

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L6728ATR

Manufacturer Part Number
L6728ATR
Description
IC CTLR PWM SGL HI FREQ 10VFQFPN
Manufacturer
STMicroelectronics
Datasheet

Specifications of L6728ATR

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-DFN
Frequency-max
660kHz
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
Synchronous Pin
No
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
497-8324-2

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L6728ATR
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
L6728ATR
Quantity:
10 000
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
8/32

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