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參數資料
| 型號： | TPS7330Q |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED DELAYED RESET FUNCTION |
| 中文描述： | 低技術，集成延遲復位功能降穩壓器 |
| 文件頁數： | 36/43頁 |
| 文件大小： | 638K |
| 代理商： | TPS7330Q |
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TPS7301Q, TPS7325Q, TPS7330Q, TPS7333Q, TPS7348Q, TPS7350Q
LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED DELAYED RESET FUNCTION
SLVS124F – JUNE 1995 – REVISED JANUARY 1999
36
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
external capacitor requirements (continued)
As with most LDO regulators, the TPS73xx family requires an output capacitor for stability. A low-ESR 10-
μ
F
solid-tantalum capacitor connected from the regulator output to ground is sufficient to ensure stability over the
full load range (see Figure 42). Adding high-frequency ceramic or film capacitors (such as power-supply bypass
capacitors for digital or analog ICs) can cause the regulator to become unstable unless the ESR of the tantalum
capacitor is less than 1.2
over temperature. Capacitors with published ESR specifications such as the
AVX TPSD106M035R0300 and the Sprague 593D106X0035D2W work well because the maximum ESR at
25
°
C is 300 m
(typically, the ESR in solid-tantalum capacitors increases by a factor of 2 or less when the
temperature drops from 25
°
C to –40
°
C). Where component height and/or mounting area is a problem,
physically smaller, 10-
μ
F devices can be screened for ESR. Figures 29 through 32 show the stable regions of
operation using different values of output capacitance with various values of ceramic load capacitance.
In applications with little or no high-frequency bypass capacitance (< 0.2
μ
F), the output capacitance can be
reduced to 4.7
μ
F, provided ESR is maintained between 0.7 and 2.5
. Because capacitor minimum ESR is
seldom if ever specified, it may be necessary to add a 0.5-
to 1-
resistor in series with the capacitor and limit
ESR to 1.5
maximum. As shown in the CSR graphs (Figures 29 through 32), minimum ESR is not a problem
when using 10-
μ
F or larger output capacitors.
Below is a partial listing of surface-mount capacitors usable with the TPS73xx family. This information, along
with the CSR graphs, is included to assist in selection of suitable capacitance for the user’s application. When
necessary to achieve low height requirements along with high output current and/or high ceramic load
capacitance, several higher ESR capacitors can be used in parallel to meet the guidelines above.
All load and temperature conditions with up to 1
μ
F of added ceramic load capacitance:
PART NO.
MFR.
T421C226M010AS
Kemet
593D156X0025D2W
Sprague
593D106X0035D2W
Sprague
TPSD106M035R0300
AVX
Load < 200 mA, ceramic load capacitance < 0.2
μ
F, full temperature range:
PART NO.
MFR.
592D156X0020R2T
Sprague
595D156X0025C2T
Sprague
595D106X0025C2T
Sprague
293D226X0016D2W
Sprague
Load < 100 mA, ceramic load capacitance < 0.2
μ
F, full temperature range:
PART NO.
MFR.
195D106X06R3V2T
Sprague
195D106X0016X2T
Sprague
595D156X0016B2T
Sprague
695D226X0015F2T
Sprague
695D156X0020F2T
Sprague
695D106X0035G2T
Sprague
Size is in mm. ESR is maximum resistance at 100 kHz and TA = 25
°
C. Listings are sorted by height.
VALUE
22
μ
F, 10 V
15
μ
F, 25 V
10
μ
F, 35 V
10
μ
F, 35 V
MAX ESR
0.5
0.3
0.3
0.3
SIZE (H
×
L
×
W)
2.8
×
6
×
3.2
2.8
×
7.3
×
4.3
2.8
×
7.3
×
4.3
2.8
×
7.3
×
4.3
VALUE
15
μ
F, 20 V
15
μ
F, 25 V
10
μ
F, 25 V
22
μ
F, 16 V
MAX ESR
1.1
1
1.2
1.1
SIZE (H
×
L
×
W)
1.2
×
7.2
×
6
2.5
×
7.1
×
3.2
2.5
×
7.1
×
3.2
2.8
×
7.3
×
4.3
VALUE
10
μ
F, 6.3 V
10
μ
F, 16 V
15
μ
F, 16 V
22
μ
F, 15 V
15
μ
F, 20 V
10
μ
F, 35 V
MAX ESR
1.5
1.5
1.8
1.4
1.5
1.3
SIZE (H
×
L
×
W)
1.3
×
3.5
×
2.7
1.3
×
7
×
2.7
1.6
×
3.8
×
2.6
1.8
×
6.5
×
3.4
1.8
×
6.5
×
3.4
2.5
×
7.6
×
2.5
相關PDF資料 |
PDF描述 |
|---|---|
| TPS7330Y | LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED DELAYED RESET FUNCTION |
| TPS7333Q | LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED DELAYED RESET FUNCTION |
| TPS7348Q | LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED DELAYED RESET FUNCTION |
| TPS7333Y | LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED DELAYED RESET FUNCTION |
| TPS7325Y | LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED DELAYED RESET FUNCTION |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS7330QD | 功能描述:低壓差穩壓器 - LDO Low-Dropout Voltage Regulator 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS7330QD | 制造商:Texas Instruments 功能描述:IC V REG LDO 3V SMD SOIC8 |
| TPS7330QDG4 | 功能描述:低壓差穩壓器 - LDO Low-Dropout Voltage Regulator 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS7330QDR | 功能描述:低壓差穩壓器 - LDO Low-Dropout Voltage Regulator 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS7330QDRG4 | 功能描述:低壓差穩壓器 - LDO Low-Dropout Voltage Regulator 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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