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參數(shù)資料
| 型號： | SM8131B00B |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | The SM8131B is a charge pump DC/DC converter that switches between 1 and 1.5 automatically. |
| 中文描述： | 該SM8131B是一個電荷泵DC / DC轉(zhuǎn)換器，1至1.5自動切換。 |
| 文件頁數(shù)： | 16/21頁 |
| 文件大小： | 218K |
| 代理商： | SM8131B00B |
SM8131B
NIPPON PRECISION CIRCUITS INC.—16
TYPICAL APPLICATION CIRCUITS
MODE 6:0 setting
SEL1 = SEL2 = LOW
EN1 = LED control input for group A (ON/OFF and dimmer)
EN2 = LOW
Group A = 6pcs (DIN1, DIN2, DIN3, DIN4, DIN5, DIN6)
Group B = 0pcs
RSET = 20k
(I
LED
MAX
= 20mA)
C1 = C2 = 1
μ
F (X5R or X7R)
C3 = C4 = 4.7
μ
F (X5R or X7R)
MODE 6:0 setting, I
LED MAX
=
20mA circuit example
GND
EN1
DIN3
DIN4
DIN5
DIN6
DIN2
DIN1
ISET
C1P
EN2
SEL1
SEL2
VOUT
VIN
C1M
VREG
PGND
C2M
C2P
C3
LED current
control
C
l
Group A
Group A
Group A
RSET
20k
(I
LED MAX
= 20mA)
GND
VIN
GND
SEL1 = L
SEL2 = L
VREG
LED control input for group A
(ON/OFF and dimmer)
C4
C2
C1
G
G
G
VOUT mode
controller
1.5 Charge pump
EN2 = L
Open
(X5R or X7R)
(X5R or X7R)
4.7
F
(X5R or
X7R)
4.7
F
(X5R or X7R)
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