参数资料
型号: CAT32TDI-T3
厂商: ON Semiconductor
文件页数: 2/11页
文件大小: 0K
描述: IC LED DRVR WHITE BCKLGT TSOT-6
标准包装: 1
拓扑: PWM,升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 800kHz ~ 1.6MHz
电源电压: 2 V ~ 7 V
安装类型: 表面贴装
封装/外壳: SOT-23-6 细型,TSOT-23-6
供应商设备封装: TSOT-23-6
包装: 标准包装
工作温度: -40°C ~ 85°C
产品目录页面: 805 (CN2011-ZH PDF)
其它名称: CAT32TDI-T2DKR
CAT32TDI-T2DKR-ND
CAT32TDI-T3DKR
CAT32TDI-TE7DKR
CAT32TDI-TE7DKR-ND
CAT32
Typical Application Circuit
VIN
2.7 V
to
4.2 V
C1
4.7 m F
6
L 1 6.8 m H
1
D1
C1: Taiyo Yuden JMK212BJ475
C2: Taiyo Yuden EMK212BJ105
D1: Zetez ZHCS400
L1: Sumida CLQ4D106R8
(Panasonic ELJEA6R8)
VIN
SW
TSOT ? 23 Pin Numbers
PWM
DIMMING
CONTROL
5
CAT32
SHDN
RSET
4
R SET
1.50 k W
LED
GND
2
3
15 mA
C2
1 m F
Figure 1. Li ? Ion Driver for Four High ? Brightness White LEDs
Table 1. PIN DESCRIPTION
Pin Number
Pin Number
SOT23
1
2
3
4
5
6
?
TDFN
8
5
6
4
3
2
1
Name
SW
GND
LED
RSET
SHDN
VIN
Power
Ground
Function
Switch pin. This is the drain of the internal power switch. For minimum EMI, min-
imize the trace area connected to this pin.
Ground pin. Connect pin 2 to ground.
LED (cathode) connection pin.
RESET pin. A resistor connected from pin 4 to ground sets the LED current. This
pin is also used to dim the LEDs.
Shutdown pin.
Input supply pin. This pin should be bypassed with a capacitor to ground. A
4.7 m F capacitor mounted close to the pin is recommended.
Power Ground
http://onsemi.com
2
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