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參數(shù)資料
| 型號(hào)： | TPS60230RGTT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 0.2 A SWITCHED CAPACITOR REGULATOR, 1250 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, QFN-16 |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大小： | 640K |
| 代理商： | TPS60230RGTT |
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FEATURES
DESCRIPTION
APPLICATIONS
VIN
C1+
C1
C2+
C2
EN1
EN2
GND
PGND
VOUT
D1
D2
D3
D4
D5
ISET
0.47 mF
1 mF
VIN = 2.7 V
to 6.5 V
TPS60230
SLVS516A – MAY 2004 – REVISED JUNE 2004
WHITE LED CHARGE PUMP CURRENT SOURCE
WITH PWM BRIGHTNESS CONTROL
Regulated Output Current With 0.4%
The TPS60230 charge pump is optimized for white
Matching
LED supplies in backlit color display applications. The
device provides a constant current, set by an external
Drives up to 5 LEDs at 25 mA Each
resistor, for each LED. The supply voltage ranges
LED Brightness Control Through PWM
from 2.7 V to 6.5 V and is ideally suited for all
Control Signal
applications powered by a single LI-Ion battery cell or
High Efficiency by Fractional Conversion
three to four NiCd, NiMH, or Alkaline battery cells.
With 1x and 1.5x Modes
The TPS60230 provides up to 25 mA per LED, for a
total of 125 mA, for input voltages ranging from 3.1 V
1 MHz Switching Frequency
to 6.5 V. High efficiency is achieved by utilizing a
2.7 V to 6.5 V Operating Input Voltage Range
1x/1.5x fractional conversion technique in combi-
Internal Softstart Limits Inrush Current
nation with very low dropout current sources. Ad-
ditionally, the current controlled charge pump ensures
Low Input Ripple and Low EMI
low input current ripple and EMI. Only two external 1
Overcurrent and Overtemperature Protected
F and two 0.47 F capacitors are required to build a
Undervoltage Lockout With Hysteresis
complete small and low cost power supply solution.
The TP60230 switches at 1 MHz operating frequency
Ultra-Small 3mm x 3mm QFN Package
and is available in a small 16-pin QFN (RGT)
package to keep board space to a minimum.
White LED Backlight for Color Displays in
Cellular Phones, Smart Phones, PDAs,
Handheld PCs, Digital Cameras,
and Camcorders
Key Backlight
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2004, 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS60230RGTTG4 | 功能描述:電荷泵 5-Channel 125-mA Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| TPS60231 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:WHITE LED CHARGE PUMP CURRENT SOURCE WITH PWM BRIGHTNESS CONTROL |
| TPS60231EVM-047 | 功能描述:電源管理IC開(kāi)發(fā)工具 TPS60231 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS60231RGTR | 功能描述:電荷泵 3-Ch 75-mA Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| TPS60231RGTRG4 | 功能描述:電荷泵 3-Ch 75-mA Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
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