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參數(shù)資料
| 型號： | ZLDO500 |
| 廠商： | Zetex Semiconductor |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; Body Material:Thermoplastic; Series:C016; No. of Contacts:3; Connecting Termination:Screw; Circular Shell Style:Cable Plug; Features:Internal Strain Relief with Clamping Ring; Leaded Process Compatible:Yes RoHS Compliant: Yes |
| 中文描述： | 5.0伏超低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 113K |
| 代理商： | ZLDO500 |
ZLDO500
FUNCTIONAL DESCRIPTION
The ZLDO is a high performance, ultra low
dropout, low quiescent regulator. Available in
SM8 surface mount packaging, the device is
able to dissipate 2W(note 1) allowing
complete design flexibility with an input span
upto 20V and 300mA output current. The
device quiescent is 1mA (typ) at 300mA load
current. A low battery comparator signifies
impending battery failure, whilst a shutdown
function reduces quiescent current to a mere
11
μ
A (typ). A precision bandgap reference
gives
±
2.5% output tolerance and good
temperature characteristics over the range
-40 to +85°C. AC performance is enhanced via
the use of a small external capacitor.
PIN DEFINITIONS
Pin 1
LBF - Low Battery Flag. An open
collector NPN output which pulls low on failing
input supply.
Pin 2
SC - Shutdown Control. This high
impedance logic compatible input disables the
regulator when taken high. It includes a diode
wired to Vin and so will pass current if taken
more than 0.5V above Vin.
Pin 3
Vin - Voltage Input. The power supply to
the regulator. The permissible input voltage
range is -0.3 to 20V. An input capacitor is not
mandatory but will be useful in reducing the
coupling of noise from input to output and
minimising the effect of sudden changes in load
current on the input voltage.
Pin 4
N/C - Not Connected. Not internally
connected and so can be left open or wired to
any pin without affecting the performance of the
regulator.
Pin 5
Vout - Voltage Output. The output of the
regulator. An output capacitor of 1uF or greater
and having low ESR should be wired in close
proximity to the regulator to ensure stability for
all loads.
Pin 6
D/C - Do Not Connect. This pin is wired
to an internal circuit node of the regulator. No
external connection should be made to this pin.
Pin 7
Gnd - Ground. The ground connection
of the regulator against which the output
voltage is referenced.
Pin 8
Spg - Shaping. The shaping node for
the error amplifier of the regulator. A
capacitor of 10pF wired from this pin to the
output pin (pin 5) gives optimum stability.
Improved AC can be achieved by reducing
the value of this capacitor but stability may
be impaired for some load conditions.
NOTES.
1.
Maximum power dissipation of the device is calculated assuming the package is mounted on a
PCB measuring 2 inches square.
2
Output voltage temperature coefficient is calculated as:-
V
O
change x
1000000
V
O
xtemperature change
3
. Dropout voltage is defined as the input to output voltage differential at which the circuit ceases
to regulate. The value is measured when the output voltage has dropped by 100mV from V
out
measured at the nominal input V
in
= V
out
+ 1V
4.
Guaranteed by design.
4-82
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ZLDO500T8 | 制造商:Diodes Incorporated 功能描述:IC V REG LDO +5.V SMD SOIC8 500 制造商:Diodes Incorporated 功能描述:IC, V REG LDO +5.V, SMD, SOIC8, 500 制造商:DIODES 功能描述:IC, V REG LDO +5.V, SMD, SOIC8, 500, Primary Input Voltage:6V, Output Voltage Fi 制造商:Diodes Incorporated 功能描述:IC, V REG LDO +5.V, SMD, SOIC8, 500, Primary Input Voltage:6V, Output Voltage Fixed:5V, Dropout Voltage Vdo:30mV, Voltage Regulator Case Style:SOIC, No. of Pins:8, Output Current:100mA, Operating Temperature Min:-40C, Operating , RoHS Compliant: Yes |
| ZLDO500T8 | 制造商:Diodes Incorporated 功能描述:IC V REG LDO +5.V SMD SOIC8 500 |
| ZLDO500T8/TATAPE/REEL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC-SM LDO VOLT REG +5.0V |
| ZLDO500T8TA | 功能描述:低壓差穩(wěn)壓器 - LDO 5.0V Ultra Low Dropout 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(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 |
| ZLDO500T8TC | 功能描述:IC REG LDO 5V .3A SOT-223-8 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩(wěn)壓器拓撲結構:正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.3V @ 80mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:80mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
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