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参数资料
| 型号： | XC9133B02AMR-G |
| 厂商： | Torex Semiconductor Ltd |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 0.26A SOT25 |
| 标准包装： | 3,000 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.5 V ~ 17.5 V |
| 输入电压： | 2.5 V ~ 6 V |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 260mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | SOT-25 |
XC9133 Series
ETR0413-004
Step-Up DC/DC Converter-LED Backlight Driver
■ GENERAL DESCRIPTION
The XC9133 series is a fixed frequency, constant current step-up DC/DC converter which is optimized for LED backlight
applications in mobile phones, PDAs and digital cameras. Output voltage of up to 17.5V is possible so that four white LEDs
can be driven in series. Since the LED current is set by only one external resistor, all white LEDs placed in series can be
turned on at the same time. The new DC/DC Converter is also able to drive a network of two parallel banks of three LEDs.
LED dimming is controlled by adjusting the duty cycle of a PWM signal (10kHz Max.) applied to the CE pin.
Efficiency is high with a 0.2V low feedback reference voltage ensuring the R LED losses are minimal. In addition, an internal
MOSFET with a low R DSON of 2.4 Ω is used. A low profile and small board area solution can be achieved using a chip
inductor and a small ceramic output capacitor C L =0.22 μ F as a result of the high 1MHz switching frequency.
If white LEDs are opened or damaged, the detector built in the Lx pin causes the IC to stop oscillating, preventing excessive
increase of the output voltage.
■ APPLICATIONS
● For White LED drivers
● Smart phones / Mobile phones
● Mobile devices / terminals
■ FEATURES
Input Voltage Range : 2.5V ~ 6.0V
Output Voltage Range : Up to 17.5V externally set-up
Reference voltage 0.2V +5%
Oscillation Frequency : 1.0MHz ± 20%
● Digital still cameras
ON Resistance
High Efficiency
Control
Stand-by Current
Output Capacitor
Lx Limit Current
Lx Overvoltage Limit
Operating Ambient Temperature
Packages
: 2.4 Ω
: 85%
3 white LEDs in series
V IN =3.6V, I LED =20mA
: PWM control
: I STB =1.0 μ A (MAX.)
: 0.22 μ F, ceramic
: 360mA （ TYP. ）
: 19V (TYP.)
: -40 ℃～ +85 ℃
: SOT-25
Environmentally Friendly : EU RoHS Compliant, Pb Free
■ TYPICAL APPLICATION CIRCUIT
■ TYPICAL PERFORMANCE
CHARACTERISTICS
● XC9133B02A Series
LED ： NSCW100 x 3
100
90
80
70
60
50
40
30
20
10
0
L ： VLF3010S
SBD ： XBS053V15R,C L ： TMK316J224KF
NR3015
VIN=3.0V
0
5
10
15
20
25
30
LED Currrent : ILED (mA)
1/15
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| XC9140A331MR-G | 制造商:Torex Semiconductor LTD 功能描述:IC REG BOOST 3.3V 0.1A SOT-25 |
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| XC9141B33CMR-G | 功能描述:Boost Switching Regulator IC Positive Fixed 3.3V 1 Output 800mA SC-74A, SOT-753 制造商:torex semiconductor ltd 系列:- 包装:剪切带（CT） 零件状态:有效 功能:升压 输出配置:正 拓扑:升压 输出类型:固定 输出数:1 电压 - 输入（最小值）:0.65V 电压 - 输入（最大值）:6V 电压 - 输出（最小值/固定）:3.3V 电压 - 输出（最大值）:- 电流 - 输出:800mA 频率 - 开关:1.2MHz 同步整流器:是 工作温度:-40°C ~ 85°C（TA） 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商器件封装:SOT-25 标准包装:1 |
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