參數(shù)資料
型號: CAT37EKK-TE7
元件分類: LED驅(qū)動器
英文描述: CMOS White LED Driver Boost Converter
中文描述: 的CMOS白光LED驅(qū)動器升壓轉(zhuǎn)換器
文件頁數(shù): 2/13頁
文件大小: 168K
代理商: CAT37EKK-TE7
CAT37
2
Doc. No. 5005, Rev. R
ORDERING INFORMATION
PIN CONFIGURATION
PIN DESCRIPTIONS
Pin Number
SOT23
Pin Number
TDFN
Name
Function
1
8
SW
Switch pin. This is the drain of the internal power
switch. For minimum EMI, minimize the trace
area connected to this pin.
2
5
GND
Ground pin. Connect pin 2 to ground.
3
6
FB
LED (cathode) connection pin.
4
4
SHDN
Shutdown pin.
5
2
VIN
Input supply pin. This pin should be bypassed
with a capacitor to ground. A 1
μ
F capacitor
mounted close to the pin is recommended.
1
Power
Ground
Power Ground
(Top View)
TDFN Package: 3mm x 3mm
0.8mm maximum height
(RD4)
CAT37
1
2
3
5
4
SW
GND
FB
VIN
SHDN
θ
5-Lead SOT-23
1mm maximum height
[Free Air]
1
2
3
4
8
7
6
5
SW
NC
FB
GND
Power
GND
VIN
NC
SHDN
r
e
b
m
u
N
t
a
P
e
g
a
k
c
a
P
e
b
n
u
a
T
u
y
Q
l
e
y
n
a
R
u
Q
e
o
g
C
a
k
g
c
a
P
n
a
e
d
M
7
E
T
-
K
K
E
7
3
T
A
C
3
2
T
O
S
n
a
e
0
0
0
3
F
B
3
1
E
T
-
D
R
7
3
T
A
C
)
m
m
3
x
3
N
F
D
T
d
a
p
0
2
1
D
B
T
W
E
C
C
I
D
T
7
3
T
A
C
3
2
T
O
e
S
n
a
a
e
L
e
e
F
d
M
L
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