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| 型号： | LX1736CLD-TR |
| 厂商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.1 A SWITCHING REGULATOR, 1450 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 3 X 3 MM, 0.90 MM HEIGHT, ROHS COMPLIANT, PLASTIC, MO-229, MLP-6 |
| 文件页数： | 4/7页 |
| 文件大小： | 220K |
| 代理商： | LX1736CLD-TR |
LX1736
PRODUCTION DATA SHEET
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
WWW
.Microse
m
i
.CO
M
5V 1.25A 1.0MHz PWM/PFM STEP DOWN REGULATOR
TM
Copyright
2007
Rev. 1.1., 11/25/2008
APPLICA T ION SU P P ORT
Cout
Vout
Vin
LX1736
Ground
Cout
DIODE
Vpwr
Vin
n/c
Sw
Gnd
FB
INDUCTOR
Rf
Cin
PCB Layout Considerations
1- Maintain separate traces leading from the decoupling capacitor, CIN, to the supply input pins of the IC for VCC and VPWR. This
ensures that the noise and voltage drops associated with the high dI/dt pulses from the PWM switching are minimized for the
internal control circuitry of the IC.
2-
Diode ground should return to COUT ground with minimum physical distance before joining the IC Ground connection.
3-
Feed back resistor return path to ground should be located closely to the IC Pin 2 to avoid VOUT offsets induced by ground drops
and noise.
AA
PP
LL
IICC
AA
TT
IIOO
NN
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