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參數(shù)資料
| 型號： | ZR78L057 |
| 廠商： | Zetex Semiconductor |
| 英文描述： | 2.85 TO 12 VOLT FIXED POSITIVE LOCAL VOLTAGE REGULATOR |
| 中文描述： | 2.85至12伏定額積極的地方電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 2/18頁 |
| 文件大小： | 295K |
| 代理商： | ZR78L057 |
ZR78L
SERIES
ABSOLUTE MAXIMUM RATING
Input voltage 20V
Output Current(I
o
) 200mA
Operating Temperature -55 to 125°C
Storage Temperature -65 to 150°C
ZR78L028 TEST CONDITIONS (Unless otherwise stated):T
j
=25°C, I
O
=100mA, V
in
=6.85V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNITS
V
O
Output Voltage
2.78
2.85
2.92
V
I
O
=1 to 200mA
τ
2.736
2.964
V
V
in
=4.85 to 20V
I
O
=1 to 100mA
τ
2.736
2.964
V
V
O
Line Regulation
V
in
=4.85 to 20V
10
40
mV
V
O
Load Regulation
I
O
=1 to 200mA
I
O
=1 to 100mA
5
2
25
mV
mV
l
q
Quiescent Current
τ
350
600
μ
A
l
q
Quiescent Current Change I
O
=1 to 200mA
V
in
=4.85 to 20V
100
100
μ
A
μ
A
V
n
Output Noise Voltage
f=10Hz to 10kHz
75
μ
V rms
V
in
/
V
O
Ripple Rejection
V
in
=5.85 to 18V
f=120Hz
48
62
dB
V
in
Input Voltage Required To
Maintain Regulation
4.85
4.55
V
V
O
/
T
Average Temperature
Coefficient of V
O
I
O
=5.0mA
τ
0.1
mV/°C
τ
=T
j
=-55 to 125°C
ELECTRICAL CHARACTERISTICS:
Notes:
1.
The maximum operating input voltage and
output current of the device will be governed by
the maximum power dissipation of the selected
package. Maximum package power dissipation is
specified at 25 °C and must be linearly derated to
zero at T
amb
=125°C.
2.
The following data represents pulse test
conditions with junction temperatures as
indicated at the initiation of the test. Continuous
operation of the devices with the stated conditions
might exceed the power dissipation limits of the
chosen package.
3.
Maximum power dissipation, for the SOT223
and SO8 packages, is calculated assuming that the
device is mounted on a PCB measuring 2 inches
square.
4
. The shut down feature of the device operates if
its temperature exceeds its design limit as might
occur during external faults, short circuits etc. If the
regulator is supplied from an inductive source
then a large voltage transient, on the regulator
input, can result should the shut down circuit
operate. It is advised that a capacitor (1
μ
F or
greater) should be applied across the regulator
input to ensure that the maximum voltage rating
of the device is not exceeded under shutdown
conditions.
Power Dissipation (T
amb
=25°C)
SOT223 2W(Note 3)
TO92 600mW
S08 780mW(Note 3)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZR78L057C | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:2.85 TO 12 VOLT FIXED POSITIVE LOCAL VOLTAGE REGULATOR |
| ZR78L057CL | 功能描述:線性穩(wěn)壓器 - 標準 - RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| ZR78L057CSTOB | 功能描述:線性穩(wěn)壓器 - 標準 - RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| ZR78L057CSTZ | 功能描述:線性穩(wěn)壓器 - 標準 - RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| ZR78L057G | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:2.85 TO 12 VOLT FIXED POSITIVE LOCAL VOLTAGE REGULATOR |
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