SM8135B データシートの表示（PDF） - Nippon Precision Circuits
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SM8135B Datasheet PDF : 19 Pages
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BLOCK DIAGRAM
SM8135B
C1M C1P C2M C2P
VIN
Charge pump
1/ 1.5/ 2
VOUT
Mode control
&
Output voltage control
&
Protection
TSD
Control
EN
logic
Current
control
&
Current
detect
DIN1
DIN2
DIN3
DIN4
ISET
NC
GND
(open at any time)
GND
PGND
PIN DESCRIPTION
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Name
C2M
PGND
C1P
C1M
VIN
GND
EN
ISET
DIN4
DIN3
NC
GND
DIN2
DIN1
VOUT
C2P
I/O
Description
–
Charge pump boost capacitor connection 2M
–
Charge pump ground
–
Charge pump boost capacitor connection 1P
–
Charge pump boost capacitor connection 1M
–
Supply voltage input
–
Ground
I
Enable/LED drive current setting (High active)
I
LED drive current setting resistor connection
O
LED drive current control output 4 (connect to ground when not used)
O
LED drive current control output 3 (connect to ground when not used)
–
No connection (leave open circuit for normal operation)
–
Ground
O
LED drive current control output 2 (connect to ground when not used)
O
LED drive current control output 1 (connect to ground when not used)
O
LED drive voltage output
–
Charge pump boost capacitor connection 2P
SEIKO NPC CORPORATION —2
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