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参数资料
| 型号： | ADD5205ACPZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/16页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR WHITE BCKLGT 12LFCSP |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 4 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1MHz |
| 电源电压： | 2.8 V ~ 18 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-WFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 12-LFCSP-WQ（3x3） |
| 包装： | 标准包装 |
| 工作温度： | -25°C ~ 85°C |
| 其它名称： | ADD5205ACPZ-RLDKR |
Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADD5205
VIN 1
SHDN 2
GND 3
ADD5205
TOP
VIEW
9 FB4
8 C_FILTER
7 ISET
(Not to Scale)
NOTES
1. CONNECT THE EXPOSED PADDLE TO GROUND.
Figure 3. Pin Configuration
Table 5. Pin Function Descriptions
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
Mnemonic
VIN
SHDN
GND
SW
OVP
PWM
ISET
C_FILTER
FB4
FB3
FB2
FB1
EPAD
Description
Supply Input Pin. Bypassed with a capacitor to ground.
Shutdown Control Pin for Enabling IC. Active low.
Ground Pin.
Drain Connection of the Internal Power FET Pin.
Overvoltage Protection Sense Input Pin. Must be locally bypassed with a 100 nF capacitor and placed as close as
possible to the IC.
PWM Signal Input Pin.
Full-Scale LED Current Set Pin. A resistor from this pin to ground sets the LED current up to 25 mA.
Filtered PWM Signal Output Pin. Connect a capacitor between C_FILTER and ground. This capacitor forms a low-pass
filter with an internal resistor.
Regulated Current Sink Input Pin. Connect the bottom cathode of the LED string to this pin. If unused, connect FB4
to ground.
Regulated Current Sink Input Pin. Connect the bottom cathode of the LED string to this pin. If unused, connect FB3
to ground.
Regulated Current Sink Input Pin. Connect the bottom cathode of the LED string to this pin. If unused, connect FB2
to ground.
Regulated Current Sink Input Pin. Connect the bottom cathode of the LED string to this pin. This channel should be
connected to LEDs as a default channel.
Connect the exposed paddle to ground.
Rev. 0 | Page 7 of 16
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