- 您現在的位置：買賣IC網 > PDF目錄382681 > TPS7148YD (Texas Instruments, Inc.) LOW-DROPOUT VOLTAGE REGULATORS PDF資料下載
參數資料
| 型號： | TPS7148YD |
| 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 |
| 中文描述： | 低壓差電壓調節器 |
| 文件頁數： | 27/33頁 |
| 文件大小： | 541K |
| 代理商： | TPS7148YD |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁當前第27頁第28頁第29頁第30頁第31頁第32頁第33頁
TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q
TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y
LOW-DROPOUT VOLTAGE REGULATORS
SLVS092F – NOVEMBER 1994 – REVISED JANUARY 1997
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
external capacitor requirements (continued)
As with most LDO regulators, the TPS71xx 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 43). 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 TPSD106K035R0300 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 34 through 41 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 minimum capacitor 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 show in the ESR graphs (Figures 34 through 41), 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 TPS71xx family. This information (along
with the ESR graphs, Figures 34 through 41) 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
22
μ
F, 10 V
593D156X0025D2W
Sprague
15
μ
F, 25 V
593D106X0035D2W
Sprague
10
μ
F, 35 V
TPSD106M035R0300
AVX
10
μ
F, 35 V
Load < 200 mA, ceramic load capacitance < 0.2
μ
F, full temperature range:
PART NO.
MFR.
592D156X0020R2T
Sprague
15
μ
F, 20 V
595D156X0025C2T
Sprague
15
μ
F, 25 V
595D106X0025C2T
Sprague
10
μ
F, 25 V
293D226X0016D2W
Sprague
22
μ
F, 16 V
Load < 100 mA, ceramic load capacitance < 0.2
μ
F, full temperature range:
PART NO.
MFR.
195D106X06R3V2T
Sprague
10
μ
F, 6.3 V
195D106X0016X2T
Sprague
10
μ
F, 16 V
595D156X0016B2T
Sprague
15
μ
F, 16 V
695D226X0015F2T
Sprague
22
μ
F, 15 V
695D156X0020F2T
Sprague
15
μ
F, 20 V
695D106X0035G2T
Sprague
10
μ
F, 35 V
Size is in mm. ESR is maximum resistance at 100 kHz and TA = 25
°
C. Listings are sorted by height.
VALUE
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
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
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 |
|---|---|
| TPS7150YD | LOW-DROPOUT VOLTAGE REGULATORS |
| TPS7150YP | LOW-DROPOUT VOLTAGE REGULATORS |
| TPS7101Q | LOW-DROPOUT VOLTAGE REGULATORS |
| TPS7101YD | LOW-DROPOUT VOLTAGE REGULATORS |
| TPS7101YP | LOW-DROPOUT VOLTAGE REGULATORS |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS7148YP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-DROPOUT VOLTAGE REGULATORS |
| TPS7148YPW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-DROPOUT VOLTAGE REGULATORS |
| TPS715 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:50 mA, 24 V, 3.2 uA Supply Current Low-Dropout Linear Regulator |
| TPS7150 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Dropo |
| TPS71501 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:50 mA, 24 V, 3.2U Supply Current Low-Dropout Linear Regulator in SC70 Package |
發布緊急采購，3分鐘左右您將得到回復。