L6728ATR STMicroelectronics, L6728ATR Datasheet - Page 4

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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
1
1.1
1.2
Typical application circuit and block diagram
Application circuit
Figure 1.
Block diagram
Figure 2.
V
PGOOD
CC
L6728A Reference Schematic
= 5V to 12V
PGOOD
VSEN
R
C
OS
P
C
Typical application circuit
DEC
Block diagram
C
R
F
F
V
OUT
R
R
OSCILLATOR
L6728A
PG
FB
R
600 kHz
OS
MONITOR
10
7
8
COMP
FB
9
PGOOD
/ DIS
VSEN
CLOCK
VCC
GND
R
6
FB
UGATE
PHASE
5
LGATE
BOOT
/ OC
CONTROL LOGIC
PROTECTIONS
ERROR AMPLIFIER
R
OCSET
&
1
3
2
4
Typical application circuit and block diagram
PWM
+
-
HS
LS
OC
0.8V
C
HF
L
I
V
OCSET
V
IN
OCTH
= 1.5V to 12V
C
C
BULK
HS
LS
OUT
VCC
LOAD
Vout
BOOT
UGATE
PHASE
LGATE
/ OC
GND
4/32

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