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參數(shù)資料
| 型號： | LP4951CM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Adjustable Micropower Voltage Regulators |
| 中文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PDSO8 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大?。?/td> | 436K |
| 代理商： | LP4951CM |
Electrical Characteristics
(Continued)
Note 9:
May exceed input supply voltage.
Note 10:
When used in dual-supply systems where the output terminal sees loads returned to a negative supply, the output voltage should be diode-clamped to
ground.
Note 11:
V
SHUTDOWN
≥
2V, V
IN
≤
30V, V
OUT
= 0, Feedback pin tied to V
TAP
.
Note 12:
Output or reference voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range.
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 50 mA load pulse at V
IN
= 30V (1.25W pulse) for T = 10ms.
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 LP4951C is tested at 150C for I
L
= 1 mA. For I
L
= 100μA and T
J
= 125C, line regulation is guaranteed by design to 0.2%. See
Typical Performance Characteristics for line regulation versus temperature and load current.
Connection Diagrams
TO-92 Plastic Package (Z)
Surface-Mount Package (M)
20052802
Bottom View
20052826
Top View
Ordering Information
Package
Output Voltage
5.0V
LP4950CZ-5.0
LP4951CM
Temperature
TO-92 (Z)
M (M08A)
40C
<
T
J
<
125C
40C
<
T
J
<
125C
L
www.national.com
4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP4951CM/NOPB | 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP4951CMX | 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP4951CMX/HAPB | 制造商:Texas Instruments 功能描述: |
| LP4951CMX/NAK2 | 制造商:Texas Instruments 功能描述: |
| LP4951CMX/NOPB | 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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