L6725A STMicroelectronics, L6725A Datasheet - Page 3

IC PWM CTLR VOLTAGE MODE SO-16N

L6725A

Manufacturer Part Number
L6725A
Description
IC PWM CTLR VOLTAGE MODE SO-16N
Manufacturer
STMicroelectronics
Datasheet

Specifications of L6725A

Pwm Type
Voltage Mode
Number Of Outputs
1
Frequency - Max
550kHz
Duty Cycle
100%
Voltage - Supply
4.5 V ~ 18 V
Buck
Yes
Boost
No
Flyback
No
Inverting
No
Doubler
No
Divider
No
Cuk
No
Isolated
No
Operating Temperature
-40°C ~ 85°C
Package / Case
16-SOIC (3.9mm Width)
Frequency-max
550kHz
Output Voltage
0.603 V
Input Voltage
1.8 V to 18 V
Switching Frequency
500 KHz
Operating Temperature Range
- 40 C to + 125 C
Mounting Style
SMD/SMT
Duty Cycle (max)
100 %
Package
SO16N
For Use With
497-5867 - EVAL BOARD 20A 250KHZ L6725497-5500 - EVAL BOARD FOR L6725
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L6725A
Manufacturer:
STMicroelectronics
Quantity:
135
Part Number:
L6725A
Manufacturer:
ST
0
Part Number:
L6725ATR
Manufacturer:
ST
0
Part Number:
L6725ATR
Manufacturer:
ST
Quantity:
20 000
L6725 - L6725A
6
7
8
9
5.11
5.12
Application details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.1
6.2
6.3
6.4
L6725 demoboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.1
7.2
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Bootstrap anti-discharging system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.12.1 Fan's power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Inductor design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Output capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Input capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Compensation network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
20A board description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5A board description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Contents
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