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LT8602 데이터시트(PDF) 34 Page - Linear Technology

부품명 LT8602
상세설명  42V, Low IQ, Quad Output Triple Monolithic Buck Converter and Boost Controller
PDF  38 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LT8602 데이터시트(HTML) 34 Page - Linear Technology

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LT8603
34
8603f
For more information www.linear.com/LT8603
Four Regulated Outputs with Channel 4 Configured as a SEPIC
TYPICAL APPLICATIONS
Start-Up Sequence
L1
Wurth 74437336033
L2
Wurth 74437336015
L3
Wurth 74437324010
L4
Wurth 74485540220
SD1
PMEG060V050EPD
M1
BSZ067N06LS3
L3, 1.0H
C15, 22pF
R10, 499k
R11, 1MEG
C16
47F
1.2V
C12
0.1F L2, 1.5H
C13, 15pF
R8, 825k
R9, 357k
C14
47F
3.3V
R12
28.7k
C10, 4.7F
C11, 4.7F
C9, 2.2nF
C7, 2.2nF
L5
2.2H
M1
SD2*
SD1
SD4
SD3
L4
2.2H
R1
4m
C1
20F
CVIN1**
4.7F
CVIN2**
4.7F
VBATT
3V TO 42V
(4.3V TO START)
C6
0.1F L1, 3.3H
C8, 3.3pF
R6, 1MEG
R7, 249k
C17
22F
OUT1
5.0V
8603 TA04a
ISP4
FB4
TRKSS1
TRKSS2
INTVCC4
INTVCC
FSEL4A
RUN3
FSEL4B
SYNC
EN/UVLO
ISN4 GATE4
VIN
PVIN1 PVIN2
BST1
SW1
FB1
BST2
SW2
FB2
BIAS
PVIN3
SW3
FB3
LT8603
RT
GND
*SD2 OPTIONALLY PROVIDES REVERSE BATTERY PROTECTION. REPLACE WITH SHORT IF NOT REQUIRED.
SD3 ENSURE START-UP. SD4 MAINAINS VIN AT VBATT < 4V.
**CVIN1, CVIN2, AND CVIN3 SHOULD BE PLACED AS CLOSE AS POSSIBLE TO THEIR RESPECTIVE PVIN PINS.
C2
20F
C5
100F
OUT4
R3
806k
R2
1MEG
UNUSED PINS NOT SHOWN:
PG1-4, POR, CPOR, RST
VOUT4 = 0.8 •
(R4+R5)
R5
+
R4
1MEG
R5
110k
CVIN3**
4.7F
•
•
VOUT3
VOUT2
VOUT1
VOUT4
VIN AT 10V/DIV
20ms/DIV
2V/DIV
10V/DIV
8603 TA04b



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