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參數(shù)資料
| 型號： | TPS62000YEG |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, BGA12 |
| 封裝： | DSBGA-12 |
| 文件頁數(shù)： | 8/29頁 |
| 文件大小： | 744K |
| 代理商： | TPS62000YEG |
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TPS62000, TPS62001, TPS62002, TPS62003
TPS62004, TPS62005, TPS62006, TPS62007, TPS62008
HIGHEFFICIENCY STEPDOWN LOW POWER DCDC CONVERTER
SLVS294D SEPTEMBER 2000 REVISED MARCH 2006
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
inductor selection (continued)
In order to avoid saturation of the inductor, the inductor should be rated at least for the maximum output current
plus the inductor ripple current which is calculated as:
DI
L + VO
1–
V
O
V
I
L
I
L(max) + IO(max) )
DI
L
2
Where:
= Switching frequency (750 kHz typical)
L = Inductor value
IL = Peak-to-peak inductor ripple current
IL(max) = Maximum inductor current
The highest inductor current occurs at maximum VI.
A more conservative approach is to select the inductor current rating just for the maximum switch current of the
TPS6200x which is 1.6 A with ILIM = VIN and 900 mA with ILIM = GND. See table 1 for recommended inductors.
Table 1. Tested Inductors
OUTPUT CURRENT
INDUCTOR VALUE
COMPONENT SUPPLIER
COMMENTS
0 mA to 600 mA
10
H
Coilcraft DO3316P-103
Coilcraft DT3316P-103
Sumida CDR63B-100
Sumida CDRH5D28-100
High efficiency
Coilcraft DO1608C-103
Sumida CDRH4D28-100
Smallest solution
0 mA to 300 mA
10
H
Coilcraft DS1608C-103
High efficiency
0 mA to 300 mA
10
H
muRata LQH4C100K04
Smallest solution
output capacitor selection
For best performance, a low ESR output capacitor is needed. At output voltages greater than 1.8 V, ceramic
output capacitors can be used to show the best performance. Output voltages below 1.8 V require a larger
output capacitor and ESR value to improve the performance and stability of the converter.
Capacitor Selection
OUTPUT VOLTAGE RANGE
OUTPUT CAPACITOR
OUTPUT CAPACITOR ESR
1.8 V
≤ VI ≤ 5.5 V
Co ≥ 10 F
ESR
≤ 120 m
0.8 V
≤ VI < 1.8 V
Co ≥ 47 F
ESR > 50 m
See Table 2 for recommended capacitors.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TPS62000YEGR | 功能描述:開關變換器、穩(wěn)壓器與控制器 Adj 600mA Hi-Eff Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62000YEGT | 功能描述:開關變換器、穩(wěn)壓器與控制器 Adj 600mA Hi-Eff Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62000YZGR | 功能描述:開關變換器、穩(wěn)壓器與控制器 Adj 600-mA 95% Eff Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62000YZGT | 功能描述:開關變換器、穩(wěn)壓器與控制器 Adj 600-mA 95% Eff Step-Down Conv RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| TPS62001DGS | 功能描述:直流/直流開關調節(jié)器 0.9V Out 600mA Step-Down Con RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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