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參數(shù)資料
| 型號： | LP2960IN-5.0 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Adjustable Micropower 0.5A Low-Dropout Regulators |
| 中文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.8 V DROPOUT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 452K |
| 代理商： | LP2960IN-5.0 |
Electrical Characteristics
over the full operating temperature range. Unless otherwise specified: C
= 4.7 μF, V
IN
= V
(NOM) + 1V, I
= 1 mA,
C
OUT
=10 μF for 5V parts or C
OUT
= 22 μF for 3.3V parts, Feedback pin is tied to V
TAP
pin, Output pin is tied to Sense pin,
V
S/D
= 2V. (Continued)
Limits in standard typeface are for T
= 25C, and limits in
boldface type
apply
Note 4:
May exceed the input supply voltage.
Note 5:
Output or reference voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range.
Note 6:
Output voltage load regulation is measured at constant junction temperature using low duty cycle pulse testing. Two separate tests are performed, one for
the load current range of 100 μA to 1 mA and one for the 1 mA to 500 mA range. Changes in output voltage due to heating effects are covered by the thermal regu-
lation specification.
Note 7:
Dropout voltage is defined as the input to output differential at which the output voltage drops 100 mV below the value measured with a 1V differential. At
very low values of programmed output voltage, the input voltage minimum of 2V
(2.3V over temperature)
must be observed.
Note 8:
Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the ground pin current, output load current, and
current through the external resistive divider (if used).
Note 9:
Dropout detection comparator threshold voltages are expressed in terms of a voltage differential measured at the Feedback terminal below the nominal ref-
erence voltage, which is the reference voltage measured with V
= V
(NOM) + 1V. To express these thresholds in terms of output voltage change, multiply by the
error amplifier gain which is V
O
/V
REF
= (R1 + R2)/R2 (see Basic Application Circuit).
Note 10:
Thermal regulation is the change in output voltage at a time T after a change in power dissipation, excluding load or line regulation effects. Specifications
are for a 400 mA load pulse at V
IN
= V
O
(NOM) + 15V (6W pulse) for T = 10 ms.
Note 11:
Connect a 0.1 μF capacitor from the output to the feedback pin.
Note 12:
Vshutdown
≤
1.1V, V
IN
<
30V, V
OUT
= 0V.
Note 13:
Two separate tests are performed for referenc e voltage line regulation, one covering 2.5V
≤
V
IN
≤
V
O
(NOM) + 1V and the other test for V
O
(NOM) + 1V
≤
V
IN
≤
30V.
Note 14:
All room temperature limits are 100% production tested.All limits at
temperature extremes
are guaranteed via correlation using standard Statistical Quality
Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level.
Note 15:
Human Body Model, 200 pF discharged through 1.5 k
.
www.national.com
4
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| LP2966IMM-1818 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:V REG LDO +1.8V SMD 2966 MSOP8 |
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| LP2966IMM-1828 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:IC V REG LDO 150MA SMD SOIC8 |
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