L6728HTR STMicroelectronics, L6728HTR Datasheet - Page 4

• Manufacturer Part Number: L6728HTR
• Description: IC CTLR PWM SGL PHASE 10-DFN
• Manufacturer: STMicroelectronics

Specifications of L6728HTR

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 330kHz
• Duty Cycle: 80%
• Voltage - Supply: 4.5 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: 330kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8978-2

Typical application circuit and block diagram
1
1.1
1.2
4/32
Typical application circuit and block diagram
Application circuit
Figure 1.
Block diagram
Figure 2.
V
PGOOD
CC
L6728H
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
L6728H
FB
R
600 kHz
OS
MONITOR
10
7
8
COMP
FB
9
PGOOD
/ DIS
VSEN
CLOCK
L6728H
Doc ID 15725 Rev 1
VCC
GND
R
6
FB
UGATE
PHASE
5
LGATE
BOOT
/ OC
CONTROL LOGIC
PROTECTIONS
ERROR AMPLIFIER
R
OCSET
&
1
3
2
4
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
L6728H
BOOT
UGATE
PHASE
LGATE
/ OC
GND