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LT8331 Datasheet(PDF) 28 Page - Analog Devices

Part # LT8331
Description  60V 2MHz Low-IQ Boost, SEPIC and Flyback Controller
PDF  34 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8331 Datasheet(HTML) 28 Page - Analog Devices

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LT8357
28
Rev. 0
For more information www.analog.com
TYPICAL APPLICATIONS
2MHz, 3.3V to 9V Input, 12V Output Boost Converter
Efficiency vs Load Current
2.2µH
100k
22k
D1
M1
4m
1M
90.9k
3.3nF
0.47µF
2MHz
15k
2.2µF
47µF
x3
47uF
x3
5
EN/UVLO
VC
FB
SYNC/MODE
VIN
LT8357
GND
PGOOD
SS
RT
GATEP
GATEN
INTVCC
VIN
3.3V TO 9V
16V
VOUT
12V/1.2A @ VIN = 3.3V
12V/2.5A @ VIN = 4V
12V/3.0A @ VIN = 5V
12V/3.0A @ VIN = 9V
16V
SENSE
INTVCC
L1
L1: COILCRAFT XEL6060-561
M1: INFINEON BSC026NE2LS5
D1: DIODES SBR8U20SP5
8357 TA02a
fSW = 2MHz
Burst
VIN = 3.3V
VIN = 4V
VIN = 5V
VIN = 9V
LOAD CURRENT (A)
0.001
0.01
0.1
1
10
50
60
70
80
90
100
8357 TA02b



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