L6727 STMicroelectronics, L6727 Datasheet - Page 4
![IC PWM CTLR SGL PHASE SO-8](/photos/1/38/13851/497-8-soic_sml.jpg)
L6727
Manufacturer Part Number
L6727
Description
IC PWM CTLR SGL PHASE SO-8
Manufacturer
STMicroelectronics
Type
Step-Down (Buck)r
Datasheet
1.L6727TR.pdf
(34 pages)
Specifications of L6727
Internal Switch(s)
No
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
Adj to 0.8V
Frequency - Switching
300kHz
Voltage - Input
1.5 ~ 12 V
Operating Temperature
-20°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Output Current
1.5 A
Input Voltage
- 0.3 V to + 15 V
Switching Frequency
300 KHz
Operating Temperature Range
- 40 C to + 150 C
Mounting Style
SMD/SMT
Duty Cycle (max)
80 %
For Use With
497-8266 - BOARD EVAL BASED ON L6727497-6258 - BOARD EVAL 1PH STPDWN CONV L6727
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L6727
Manufacturer:
ST
Quantity:
20 000
Part Number:
L6727TR
Manufacturer:
ST
Quantity:
20 000
Typical application circuit and block diagram
1
1.1
1.2
4/34
Typical application circuit and block diagram
Application circuit
Figure 1.
Block diagram
Figure 2.
V
CC
= 5V to 12V
R
C
OS
P
OSCILLATOR
C
300 kHz
Typical application circuit
Block diagram
DEC
(**) Up to 12V with Vcc > 5V
L6727
L6727 Reference Schematic
(*) R
R
R
C
R
OCSET
FB
OCSET
F
F
(*)
7
6
not to be connected when VCC > 5V
COMP /
DIS / OC
FB
CONTROL LOGIC
& PROTECTIONS
GND
VCC
Doc ID 12933 Rev 4
AMPLIFIER
ERROR
5
3
UGATE
PHASE
LGATE
BOOT
1
2
8
4
R
DISABLE
C
D
R
R
D
BOOT
gHS
gLS
+
-
PWM
CURRENT READ
0.8V
& OCP
HS
LS
C
R
C
SN
SN
HF
L
V
IN
= 1.5V to 19V (**)
HS
LS
VCC
C
C
BULK
OUT
LOAD
Vout
BOOT
UGATE
PHASE
LGATE
GND
L6727