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参数资料
| 型号： | NCP5006SNT1 |
| 厂商： | ON Semiconductor |
| 文件页数： | 5/24页 |
| 文件大小： | 0K |
| 描述： | IC LED BOOST DRIVER 5TSOP |
| 产品变化通告： | LTB Notification 03/Jan/2008 |
| 标准包装： | 3,000 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 电源电压： | 2.7 V ~ 5.5 V |
| 输出电压： | 24V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSOP（0.059"，1.50mm 宽）5 引线 |
| 供应商设备封装： | 5-TSOP |
| 包装： | 带卷 (TR) |
| 工作温度： | -25°C ~ 85°C |
NCP5006
ANALOG SECTION (Typical values are referenced to T A = +25 ° C, Min & Max values are referenced ?25 ° C to +85 ° C ambient
temperature, unless otherwise noted.)
Rating
High Level Input Voltage
Low Level Input Voltage
EN Pull Down Resistor
Feedback Voltage Threshold
Output Current Stabilization Time Delay following a DC/DC Start?up,
@ V bat = 3.60 V, L = 22 m H, I out = 20 mA
Internal Switch ON Resistor @ Tamb = +25 ° C
Pin
4
4
3
1
1
Symbol
EN
R EN
FB
I outdly
QR DSON
Min
1.3
?
?
185
?
?
Typ
?
?
100
200
100
1.7
Max
?
0.4
?
225
?
?
Unit
V
V
k W
mV
m s
W
5. The overall tolerance depends upon the accuracy of the external resistor.
ESD PROTECTION
The NCP5006 includes silicon devices to protect the pins
against the ESD spikes voltages. To cope with the different
ESD voltages developed in the applications, the built?in
structures have been designed to handle " 2.0 kV in Human
Body Model (HBM) and " 200 V in Machine Model (MM)
on each pin.
DC/DC OPERATION
The DC/DC converter is designed to supply a constant
current to the external load, the circuit being powered from
a standard battery supply. Since the regulation is made by
POR
means of a current loop, the output voltage will varies
depending upon the dynamic impedance presented by the
load.
Considering high intensity LED, the output voltage can
range from a low 6.40 V (two LED in series biased with a
low current), up to 21 V, the voltage compliance the chip
can sustain continuously.
The basic DC/DC structure is depicted in Figure 3. With
a 28 V maximum rating voltage capability, the power
device can accommodate high voltage source without any
leakage current downgrading.
V bat
L1
22 m H
Vd sense
1
D1
TIME_OUT
Q1
Vds
LOGIC
CONTROL
ZERO_CROSSING
RESET
+
Vd sense
R1
GND
GND
?
V(Ipeak)
?
+
C2
3
R2
xR
Vs
Vref
GND
Figure 3. Basic DC/DC Converter Structure
http://onsemi.com
5
GND
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP5006SNT1G | 功能描述:LED照明驱动器 White LED Backlight Boost 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 |
| NCP5007 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Compact Backlight LED Boost Driver |
| NCP5007/D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Compact Backlight LED Boost Driver |
| NCP5007_06 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Compact Backlight LED Boost Driver |
| NCP5007SNT1 | 功能描述:LED照明驱动器 White LED Backlight 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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