L6727 STMicroelectronics, L6727 Datasheet - Page 3
![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
L6727
10
11
12
13
14
9.3
9.4
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
10.1
10.2
10.3
20 A demonstration board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
11.1
5 A demonstration board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
12.1
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Layout guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Embedding L6727-based VRs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Output inductor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Output capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Input capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Board description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
11.1.1
11.1.2
11.1.3
11.1.4
11.1.5
Board description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
12.1.1
12.1.2
12.1.3
12.1.4
12.1.5
Power input (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Power output (VOUT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
IC additional supply (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Test points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Demonstration board efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Power input (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Power iutput (VOUT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
IC additional supply (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Test points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Demonstration board efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Doc ID 12933 Rev 4
Contents
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