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1x/1.5x/2x White LED Charge Pump with
Two LDOs in 4mm x 4mm Thin QFN
Table 3. Recommended Components for Figure 1
DESIGNATION
C1, C5
C3, C4, C6, C7
C8
D1–D4
D5 (D5–D8)
R SETM , R SETF
VALUE
10μF
1μF
0.01μF
—
—
As
Required
MANUFACTURER
TDK
TDK
TDK
Nichia
Nichia
Panasonic
Vishay
PART NUMBER
C2012X5R0J106M
C1005X5R0J105M
C1005X7R1E103K
NSCW215T
NBCW011T
—
DESCRIPTION
10μF ±20%, 6.3V X5R ceramic capacitors (0805)
1μF ±20%, 6.3V X5R ceramic capacitors (0402)
0.01μF ±10%, 25V X7R ceramic capacitor (0402)
White LEDs
White LEDs, 4 LEDs in one package
1% resistor
PROCESS: BiCMOS
Chip Information
TOP VIEW
Pin Configuration
21
20
19
18
17
16
15
C1N
22
14 M3
C1P
PGND
23
24
13
12
M4
F1
11
Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages .
OUT
C2P
25
26
MAX8631XETI
MAX8631YETI
F2
10 F3
PACKAGE TYPE
PACKAGE CODE
DOCUMENT NO.
C2N
27
9
F4
28 TQFN-EP
T2844-1
21-0139
P1
28
+
1
2
3
4
5
6
7
8
SETM
THIN QFN
4mm x 4mm, 0.4mm LEAD PITCH
14
______________________________________________________________________________________
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MAX8631YETI+T 功能描述:LED照明驱动器 1x/1.5x/2x White LED Charge Pump RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
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