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參數(shù)資料
| 型號： | TPS76427DBV |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LOW-POWER LOW-NOISE 150-mA LOW-DROPOUT LINEAR REGULATORS |
| 中文描述： | 低功耗低噪聲150mA的低壓差線性穩(wěn)壓器 |
| 文件頁數(shù)： | 12/15頁 |
| 文件大?。?/td> | 235K |
| 代理商： | TPS76427DBV |
TPS76425, TPS76427, TPS76428, TPS76430, TPS76433
LOW-POWER LOW-NOISE 150-mA LOW-DROPOUT LINEAR REGULATORS
SLVS180A – MARCH 1999 – REVISED JUNE 1999
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
external capacitor requirements
Although not required, a 0.047-
μ
F or larger ceramic bypass input capacitor, connected between IN and GND
and located close to the TPS764xx, is recommended to improve transient response and noise rejection. A
higher-value electrolytic input capacitor may be necessary if large, fast-rise-time load transients are anticipated
and the device is located several inches from the power source.
Like all low dropout regulators, the TPS764xx requires an output capacitor connected between OUT and GND
to stabilize the internal loop control. The minimum recommended capacitance value is 4.7
μ
F and the ESR
(equivalent series resistance) must be between 0.2
and 10
. Capacitor values 4.7
μ
F or larger are
acceptable, provided the ESR is less than 10
. Solid tantalum electrolytic, aluminum electrolytic, and multilayer
ceramic capacitors are all suitable, provided they meet the requirements described above. Most of the
commercially available 4.7
μ
F surface–mount solid tantalum capacitors, including devices from Sprague,
Kemet, and Nichico, meet the ESR requirements previously stated. Multilayer ceramic capacitors should have
minimum values of 1
μ
F over the full operating temperature range of the equipment.
CAPACITOR SELECTION
PART NO.
MFR.
VALUE
4.7
μ
F
10
μ
F
10
μ
F
4.7
μ
F
MAX ESR
1.5
1.5
1.3
0.6
SIZE (H
×
L
×
W)
1.9
×
3.5
×
2.8
1.3
×
7.0
×
2.7
2.5
×
7.6
×
2.5
2.6
×
6.0
×
3.2
T494B475K016AS
KEMET
195D106x0016x2T
SPRAGUE
695D106x003562T
SPRAGUE
TPSC475K035R0600
Size is in mm. ESR is maximum resistance in ohms at 100 kHz and TA = 25
°
C. Listings are sorted by height.
AVX
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS76427DBVR | 功能描述:低壓差穩(wěn)壓器 - LDO 2.7V 150mA LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS76427DBVRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Low-Power 150-mA Low-Noise RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS76427DBVT | 功能描述:低壓差穩(wěn)壓器 - LDO 2.7V 150mA LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS76427DBVTG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Low-Power 150-mA Low-Noise RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS76428DBVR | 功能描述:低壓差穩(wěn)壓器 - LDO 2.8V 150mA LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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