SC4508ABUCK-BOOSTEVB SEMTECH [Semtech Corporation], SC4508ABUCK-BOOSTEVB Datasheet - Page 19

no-image

SC4508ABUCK-BOOSTEVB

Manufacturer Part Number
SC4508ABUCK-BOOSTEVB
Description
Buck or Buck-Boost (Inverting) Current Mode Controller
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet
Bill of Materials
POWER MANAGEMENT
Evaluation Board Schematic, Buck-Boost
I
e t
2007 Semtech Corp.
2
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
1
0
0
1
2
3
4
5
6
9
m
Q
u
a
3
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
n
0.1uF
C5
i t
y t
f s=250KHz
1uF
680pF
C4
C6
C
C
C
C
C
C
C
C
L
R
R
R
R
R
R
U
U
1
1
2
4
5
6
7
1
2
1
3
4
, 5
6
9
1
1
1
C ,
0
12
11
C
3
5
6
7
2
7
C ,
VDD
SS/EN
OSC
NC
AGND
PGND
8
GND
R
12V
SC4508A
e
U1
e f
e r
COMP
n
VREF
OUT
c
FB+
U1
FB-
CS
e
1nF
2
1
4
9
8
10
C3
TP5
TP10
R2 100
0.1uF
C7
TP6
C11
2.7nF
20K
R4
10K
1
R7
S
4
S
C10
0
TP4
100pF
19
7
4 i
C
6
0
1
4
0
2
3
P
u
0
TP7
8
2
4
1
1
1
u
0
1
9 .
4
8
1 .
7 .
3
F
0 .
a
0
F
0
9
0
n
u
0
0
5
3
u
9
1 /
u
n
t r
F
F
p
K
9
K
6 /
p
0
0
1
H
6
TP9
K
F
F
F
6
F
8
D
3 .
V
A
TP1
R1
Y
0.06
4
3
2
1
V
U2 Si4831DY
TP8
47uF/16V
C8
47uF/16V
R6 499
C1
100uF/6.3V
5
6
7
8
C9
S
S
V
a
e
s i
n
m
h
o y
a
TP3
e t
47uF/16V
y
c
/ P
C2
h
33uH
L1
: N
C
r o
1
6
. p
4.99K
R5
T
P
M
B
a
4
n
7
M
u
a f
-5V/0.5A
GND
t c
r u
SC4508A
r e
www.semtech.com

Related parts for SC4508ABUCK-BOOSTEVB