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TPS61165DBVR 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
LED驱动器
封装:
SOT-23-6
描述:
TEXAS INSTRUMENTS TPS61165DBVR 芯片, 发光二极管驱动器, 升压, PWM, SOT-23-6
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P4Hot
典型应用电路图在P1P17
原理图在P5P10
封装尺寸在P20P22P23
焊盘布局在P16
型号编码规则在P2
标记信息在P2P20
封装信息在P20P21P22P23
技术参数、封装参数在P2
应用领域在P1P17P29
电气规格在P3P4
导航目录
TPS61165DBVR数据手册
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VIN 5 V
C1
4.7 Fm
D1
Rset
0.57 W
VIN SW
FB
GND
CTRL
COMP
C2
1 Fm
350 mA
220 nF
TPS61165
L1 : TOKO #A 915 _Y-100M
C1 : MurataGRM 188R61 A475 K
C2 : MurataGRM 188R61 E105K
D1 : ONsemiMBR0540T1
LED : OSRAMLW-W 5SM
ON/OFF
DIMMING
CONTROL
L1
10 Hm
TPS61165
www.ti.com
SLVS790B – NOVEMBER 2007– REVISED OCTOBER 2011
High Brightness White LED Driver in 2mm x 2mm
QFN and SOT-23 Packages
Check for Samples: TPS61165
The default white LED current is set with the external
1
FEATURES
sensor resistor Rset, and the feedback voltage is
2
• 3-V to 18-V Input Voltage Range
regulated to 200mV, as shown in the typical
• 38-V Open LED Protection
application. During the operation, the LED current can
be controlled using the 1 wire digital interface (
• 200-mV Reference Voltage With 2% Accuracy
Easyscale™ protocol) through the CTRL pin.
• 1.2-A Switch FET With 1.2-MHz Switching
Alternatively, a pulse width modulation (PWM) signal
Frequency
can be applied to the CTRL pin through which the
• Flexible 1 Wire Digital and PWM Brightness
duty cycle determines the feedback reference
Control
voltage. In either digital or PWM mode, the
TPS61165 does not burst the LED current; therefore,
• Built-in Soft Start
it does not generate audible noises on the output
• Up to 90% Efficiency
capacitor. For maximum protection, the device
• 2mm × 2mm × 0.8mm 6-pin QFN Package With
features integrated open LED protection that disables
Thermal Pad, and SOT-23 Package the TPS61165 to prevent the output from exceeding
its absolute maximum voltage ratings during open
LED conditions.
APPLICATIONS
The TPS61165 is available in a space -saving 2mm x
• High Brightness LED Lighting
2mm OFN package with thermal pad, and SOT-23
• White LED Backlighting for Media Form Factor
package
Display
DESCRIPTION
With a 40-V rated integrated switch FET, the
TPS61165 is a boost converter that drives LEDs in
series. The boost converter runs at a 1.2-MHz fixed
switching frequency with 1.2-A switch current limit,
and allows for the use of a high brightness LED in
general lighting.
Figure 1. Typical Application
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2Easyscale is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007–2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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