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参数资料
| 型号： | NCP5021MUTXG |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/17页 |
| 文件大小： | 0K |
| 描述： | IC WHITE LED DVR HV AMB 16-UQFN |
| 产品变化通告： | Product Obsolescence 07/Jul/2010 |
| 标准包装： | 3,000 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，闪灯/白光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1.13MHz ~ 1.47MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 输出电压： | 32V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-UFQFN 裸露焊盘 |
| 供应商设备封装： | 16-UQFN-EP（3x3） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
NCP5021
High Voltage White LED
Driver with Ambient Light
Sensing
The NCP5021 product is a single output boost LED driver capable
of driving up to 8 LEDs in series for portable backlight applications.
The built ? in DC/DC converter is based on a high efficient PWM
boost structure with 32 V output voltage span. It provides a peak 90%
efficiency together with a 1% I ? LED current tolerance.
Features
http://onsemi.com
1
?
?
?
?
?
?
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2.7 to 5.5 V Input Voltage Range
90% Peak efficiency with 4.7 m H / 150 m W Inductor
Gradual Dimming Built ? in (Automatic Fade In/Fade Out Effect)
Integrated Ambient Light Sensing Automatically Adjusts the LCD
Backlight Contrast
Built ? in Zero Current Load Leakage under Idle Mode
Support the Full I2C Protocol with Address Extension
Tight 1% I ? LED Tolerance
UQFN16
MU SUFFIX
CASE 523AF
MARKING DIAGRAM
5021
ALYW G
G
?
?
Ultra Thin 0.5 mm QFN16 Package
This is a Pb ? Free Device
5021
A
L
= Specific Device Code
= Assembly Location
= Wafer Lot
Typical Applications
? Cellular Phone, Smartphone
Y
W
G
= Year
= Work Week
= Pb ? Free Package
? Portable Media Player (PMP)
? Global Positioning System (GPS)
(Note: Microdot may be in either location)
+Vbat
L1
NSR0240M2T5G
PIN CONNECTIONS
GND
C1
4.7 m H
D8
D1
SCL
SCL
2 SDA
SDA
3 I2CADR
GND
4 VSB
SFH5711 U3 R3
Log
4 22k GND NCP5021
1 2 C4
C3
100nF
R4
4.7 m F/6.3V 15 Vbat Lx
1
220k 5 AMBS
U1
Vos
13
16 R3
470R
C2
GND
D2
D3
D4
D5
D6
SCL
SDA
I2CADR
VSB
(Top View)
NC = Not Connected
NC
NC
NC
FB
GND
R1
12k
2.2 m H
7
R2 6
22k
NC
IREF NC
NC
IPK
GND GND FB
8 14
9
12
11
10
D7
D8
ORDERING INFORMATION
Device Package Shipping ?
NCP5021MUTXG UQFN16 3000 / Tape & Reel
(Pb ? Free)
GND
Figure 1. Typical Large Display LED Driver
?For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
? Semiconductor Components Industries, LLC, 2010
July, 2010 ? Rev. 1
1
Publication Order Number:
NCP5021/D
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