參數(shù)資料
型號(hào)： TPS65100RGE
廠商： Texas Instruments, Inc.
英文描述： TRIPLE OUTPUT LCD SUPPLY WITH LINEAR REGULATOR AND VCOM BUFFER
中文描述： 三路輸出液晶供應(yīng)線性穩(wěn)壓器和VCOM緩沖器
文件頁(yè)數(shù)： 14/25頁(yè)
文件大?。?/td> 816K
代理商： TPS65100RGE
www.ti.com
Output Capacitor Selection
Vout
Iout
Cout
1
fs
Ip
L
Vout
Vd
Vin
Ip
ESR
I
p
= Peak current as described in the previous section peak current control
L = Selected inductor value
I
out
= Nominal load current
f
s
= Switching frequency
V
d
= Rectifier diode forward voltage (typically 0.3 V)
C
out
= Selected output capacitor
ESR = Output capacitor ESR value
Input Capacitor Selection
Rectifier Diode Selection
TPS65100
TPS65105
SLVS496B–SEPTEMBER 2003–REVISED MARCH 2004
APPLICATION INFORMATION (continued)
Table 1. Inductor Selection
DEVICE
INDUCTOR VALUE
4.7 μH
4.2 μH
4.7 μH
3.3 μH
4.2 μH
3.3 μH
3.3 μH
3.3 μH
3.3 μH
4.7 μH
3.3 μH
COMPONENT SUPPLIER
Coilcraft DO1813P-472HC
Sumida CDRH5D28 4R2
Sumida CDC5D23 4R7
Wuerth Elektronik 744042003
Sumida CDRH6D12 4R2
Sumida CDRH6D12 3R3
Sumida CDPH4D19 3R3
Coilcraft DO1606T-332
Sumida CDRH2D18/HP 3R3
Wuerth Elektronik 744010004
Coilcraft LPO6610-332M
DIMENSIONS
ISAT/DCR
8.89*6.1*5.0
5.7*5.7*3
6*6*2.5
4.8*4.8*2.0
6.5*6.5*1.5
6.5*6.5*1.5
5.1*5.1*2.0
6.5*5.2*2.0
3.2*3.2*2.0
5.5*3.5*1.0
6.6*5.5*1.0
2.6 A/54 m
2.2 A/23 m
1.6 A/48 m
1.8 A/65 m
1.8 A/60 m
1.9 A/50 m
1.5 A/26 m
1.4 A/120 m
1.45 A/69 m
1.0 A/260 m
1.3 A/160 m
TPS65100
TPS65105
For the best output voltage filtering, a low ESR output capacitor is recommended. Ceramic capacitors have a low
ESR value, but depending on the application, tantalum capacitors can be used as well. A 22-μF ceramic output
capacitor works for most of the applications. Higher capacitor values can be used to improve the load transient
regulation. See Table 2 for selection of the output capacitor. The output voltage ripple can be calculated as:
with:
For good input voltage filtering, low ESR ceramic capacitors are recommended. A 22-μF ceramic input capacitor
is sufficient for most of the applications. For better input voltage filtering, this value can be increased. See
Table 2 and the typical applications for input capacitor recommendations.
Table 2. Input and Output Capacitors Selection
CAPACITOR
22 μF/1210
22 μF/1206
VOLTAGE RATING
COMPONENT SUPPLIER
Taiyo Yuden EMK325BY226MM
Taiyo Yuden JMK316BJ226
COMMENTS
16 V
6.3 V
C
out
C
in
To achieve high efficiency, a Schottky diode should be used. The voltage rating should be higher than the
maximum output voltage of the converter. The average forward current should be equal to the average inductor
current of the converter. The main parameter influencing the efficiency of the converter is the forward voltage and
the reverse leakage current of the diode; both should be as low as possible. Possible diodes are: On
Semiconductor MBRM120L, Microsemi UPS120E, and Fairchild Semiconductor MBRS130L.
14
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS65100RGER 功能描述:LCD 驅(qū)動(dòng)器 Triple-Out TFT LCD Supply w/VCOM Buffer RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
TPS65100RGERG4 功能描述:LCD 驅(qū)動(dòng)器 Triple-Out TFT LCD Supply w/VCOM Buffer RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
TPS65101PWP 功能描述:LCD 驅(qū)動(dòng)器 Triple Output LCD Supply RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
TPS65101PWPG4 功能描述:LCD 驅(qū)動(dòng)器 Triple Output LCD Supply RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
TPS65101PWPR 功能描述:LCD 驅(qū)動(dòng)器 Triple Output LCD Supply RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
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