參數(shù)資料
型號: TPS60230RGTTG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 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
文件頁數(shù): 3/20頁
文件大?。?/td> 640K
代理商: TPS60230RGTTG4
www.ti.com
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TPS60230
SLVS516A – MAY 2004 – REVISED JUNE 2004
For example, the worst case power dissipation occurs at the input voltage level where the charge pump switches
from the 1x mode to the 1.5x mode. At this operating point, the supply voltage to the current sources is at its
maximum and the current sources must drop the most voltage in order to maintain a regulated output current.
The worst case power dissipation occurs when all 5 LED outputs are fully loaded with 25 mA of LED current.
With: VI = 4.2 V, Vf = 3.6 V, IO = 125 mA (1.5x mode)
PD max = 0.39 W
11
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