參數(shù)資料
型號(hào): BH76909GU-E2
廠商: Rohm Semiconductor
文件頁(yè)數(shù): 10/10頁(yè)
文件大?。?/td> 0K
描述: IC VIDEO DRIVER CAP-LESS 8WLCSP
標(biāo)準(zhǔn)包裝: 3,000
應(yīng)用: 驅(qū)動(dòng)器
電路數(shù): 1
電流 - 電源: 17mA
電流 - 輸出 / 通道: 30mA
電壓 - 電源,單路/雙路(±): 2.5 V ~ 3.45 V,±1.25 V ~ 1.725 V
安裝類型: 表面貼裝
封裝/外殼: 8-WLCSP
供應(yīng)商設(shè)備封裝: 8-WLCSP
包裝: 帶卷 (TR)
Technical Note
9/16
BH76906GU, BH76909GU, BH76912GU, BH76916GU, BH76706GU
www.rohm.com
2009.03 - Rev.A
2009 ROHM Co., Ltd. All rights reserved.
1) Decoupling capacitor only
2) Decoupling capacitor + 10
resistor
2) Decoupling capacitor + 10
resistor
A
B
Vcc
A
C
Vcc
A
10
Ω
B
A
Waveform of current between
power supply and capacitor
(A)
10 mA/div
Waveform of current between
capacitor and IC
(B)
10 mA/div
Waveform of current between
power supply and capacitor
(A)
10 mA/div
Waveform of current between
resistor and capacitor
(B)
10 mA/div
Waveform of current between
capacitor and IC
(C)
10 mA/div
DAC
or
Other
VIDEO
AMP
Chrarge Pump
VOUT
-Vcc
75
Ω
75
Ω
1uF
15
0k
Ω
1uF
VIN
1uF
3.3uF
10
Ω
Vcc
Vcc pin
Fig.12
Effects of Charge Pump Circuit Current Ripple on External Circuit
Fig.13
1. Current ripple due to charge pump
circuit affects power supply Vcc pin
2. Current ripple affects
DAC or other
Fig.14
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