L6728ATR STMicroelectronics, L6728ATR Datasheet - Page 7

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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
3
3.1
3.2
Table 5.
Supply current and power-on
I
I
UVLO
Oscillator
F
ΔV
d
Reference and error amplifier
A
GBWP
SR
DIS
CC
BOOT
MAX
SW
0
Symbol
OSC
Electrical specifications
Absolute maximum ratings
Table 4.
Electrical characteristics
Electrical characteristics
(V
V
V
V
V
V
BOOT supply current
V
Hysteresis
Main oscillator accuracy
PWM ramp amplitude
Maximum duty cycle
Output voltage accuracy
DC gain
Gain-bandwidth product
Slew-rate
Disable threshold
CC
BOOT,
PHASE
LGATE
CC
CC
CC
Symbol
supply current
turn-ON
= 5 V to 12 V; T
V
Parameter
UGATE
(1)
(1)
Absolute maximum ratings
to GND
to PHASE
to GND
to GND; t < 200 ns
to GND
to GND; t < 200 ns
to GND
FB, COMP, VSEN to GND
PGOOD to GND
J
(1)
= 0
UGATE and LGATE = OPEN
UGATE = OPEN; PHASE to GND
V
COMP falling
°
C to 70 °C unless otherwise specified)
CC
rising
Parameter
Test conditions
Min.
0.70
-0.8
540
67
Electrical specifications
-0.3 to V
-0.3 to V
-0.3 to 3.6
-0.3 to 15
-5 to 18
-8 to 30
Typ.
600
120
0.7
0.2
1.4
Value
15
6
8
-
15
33
45
CC
CC
+0.3
+0.3
Max.
0.85
660
4.1
0.8
MHz
V/μs
Unit
kHz
mA
mA
Unit
dB
%
%
V
V
V
V
7/32
V
V
V
V
V
V

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