L6728H STMicroelectronics, L6728H Datasheet - Page 4

• Manufacturer Part Number: L6728H
• Description: Voltage Mode PWM Controllers Sgl Output 300 KHz DFN-10
• Manufacturer: STMicroelectronics

Specifications of L6728H

• Number Of Outputs: Single Output
• Switching Frequency: 300 KHz
• Operating Supply Voltage: 5 V to 12 V
• Supply Current: 6 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package / Case: DFN-10
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Typical application circuit and block diagram
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1.1
1.2
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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