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參數(shù)資料
| 型號(hào)： | TPS65810RTQ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 9-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56 |
| 封裝： | 8 X 8 MM, ROHS COMPLIANT, PLASTIC, QFN-56 |
| 文件頁數(shù)： | 91/99頁 |
| 文件大小： | 2128K |
| 代理商： | TPS65810RTQ |
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OUTPUT CAPACITOR SELECTION, SM1, SM2 CONVERTERS
I
RMSCout +
1 *
V
OUT
V
IN
2
L
f
1
3
(13)
V
RMSCout +
1 *
V
OUT
V
IN
L
f
1
8
Cout
f )
ESR
(14)
SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007
Table 16. Inductors for Typical Operation Conditions (continued)
DEVICE
INDUCTOR VALUE
TYPE
COMPONENT SUPPLIER
DCDC2 converter
3.3
H
CDRH2D18/HPNP-3R3
Sumida
3.3
H
VLF4012AT-3R3M1R3
TDK
2.2
H
VLCF4020-2R2
TDK
DCDC1 converter
3.3
H
CDRH3D14/HPNP-3R2
Sumida
3.3
H
CDRH4D28C-3R2
Sumida
3.3
H
MSS5131-332
Coilcraft
2.2
H
VLCF4020-2R2
TDK
The advanced Fast Response voltage mode control scheme of the SM1, SM2 converters implemented in the
TPS65020 allow the use of small ceramic capacitors with a typical value of 10
F for a 3.3-H inductor, without
having large output voltage under and overshoots during heavy load transients.
Ceramic capacitors having low ESR values have low output voltage ripple, and recommended values and
manufacturers are listed in Table 1. Often, due to the low ESR, the ripple current rating of the ceramic capacitor
is adequate to meet the inductor’s currents requirements.
The RMS ripple current is calculated as:
At nominal load current, the inductive converters operate in PWM mode. The overall output voltage ripple is the
sum of the voltage spike caused by the output capacitor ESR plus the voltage ripple caused by charging and
discharging the output capacitor: The output voltage ripple is maximum at the highest input voltage Vin.
At light load currents, the converters operate in PFM and the output voltage ripple is dependent on the output
capacitor value. The output voltage ripple is set by the internal PFM output voltage comparator delay and the
external capacitor. The typical output voltage ripple is less than 1% of the nominal output voltage.
Table 17. Input/Output Capacitors for Typical Operation Conditions
CAPACITOR VALUE
CASE SIZE
COMPONENT SUPPLIER
COMMENTS
22
F
1260
TDK C3216X5R0J226M
Ceramic
22
F
1260
Taiyo Yuden JMK316BJ226ML
Ceramic
10
F
0805
Taiyo Yuden JMK212BJ106M
Ceramic
10
F
0805
TDK C2012X5R0J106M
Ceramic
22
F
0805
TDK C2012X5R0J226MT
Ceramic
22
F
0805
Taiyo Yuden JMK212BJ226MG
Ceramic
Copyright 2006–2007, Texas Instruments Incorporated
91
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS65810RTQR | 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65810RTQRG4 | 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65810RTQT | 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65810RTQTG4 | 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| TPS65811RTQR | 功能描述:電池管理 Integr S-C Li-Ion RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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