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參數(shù)資料
| 型號： | LP2950CDTX-3.0 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Series of Adjustable Micropower Voltage Regulators |
| 中文描述： | 3 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PSSO2 |
| 封裝： | TO-252, DPAK-3/2 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大?。?/td> | 142K |
| 代理商： | LP2950CDTX-3.0 |
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
LP2950/LP2951
Note 13:
Thermal regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied, excluding load or line regulation
effects. Specifications are for a 50mA load pulse at V
IN
=30V (1.25W pulse) for T =10 ms.
Note 14:
Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are
covered under the specification for thermal regulation.
Note 15
: Line regulation for the LP2951 is tested at 150
°
C for I
= 1 mA. For I
= 100
μ
A and T
J
= 125
°
C, line regulation is guaranteed by design to 0.2%. See
typical performance characteristics for line regulation versus temperature and load current.
Note 16:
All LP2950 devices have the nominal output voltage coded as the last two digits of the part number. In the LP2951 products, the 3.0V and 3.3V versions
are designated by the last two digits, but the 5V version is denoted with no code of the part number.
BLOCK DIAGRAM AND TYPICAL APPLICATIONS
LP2950-XX
LP2951-XX
INPUT
OUTPUT
GROUND
ERROR
AMPLIFIER
1.23V
REFERENCE
UNREGULATED DC
V
OUT
I
L
≤
100mA
SEE APPLICATION
HINTS
+
+
+
+
-
INPUT
OUTPUT
GROUND
ERROR
AMPLIFIER
1.23V
REFERENCE
UNREGULATED DC
V
OUT
I
L
≤
100mA
SEE APPLICATION
HINTS
+
+
+
+
-
F7
BACK
SHUT-
DOWN
SENSE
V
TAP
ERROR
TO CMOS
OR TTL
+
-
+
330k
4
5
6
2
1
8
3
FROM
CMOS
OR TTL
50mV
ERROR DETECTION COMPARATOR
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| LP2950CDTX-3.3 | Series of Adjustable Micropower Voltage Regulators |
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| LP2950CZ-3.3 | 128 x 128 pixel format, LED or EL Backlight available |
| LP2950ACZ-3.0 | Series of Adjustable Micropower Voltage Regulators |
| LP2950ACZ-3.3 | Series of Adjustable Micropower Voltage Regulators |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP2950CDTX-5.0 | 功能描述:低壓差穩(wěn)壓器 - 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(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 |
| LP2950CDTX-5.0/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO 100MA LDO DPAK 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(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 |
| LP2950CN | 制造商:Texas Instruments 功能描述:IC REG LDO ADJ 0.1A 8DIP 制造商:Texas Instruments 功能描述:NRND, alternate is LP2951CN/NOPB |
| LP2950CN-3 | 制造商:ADMOS 制造商全稱:ADMOS 功能描述:100mA LOW DROPOUT VOLTAGE REGULATOR |
| LP2950CN-3.3 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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