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參數資料
| 型號： | HT7850 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 500mA TinyPowerTM LDO |
| 中文描述： | 500mA的LDO穩壓器TinyPowerTM |
| 文件頁數： | 3/11頁 |
| 文件大小： | 121K |
| 代理商： | HT7850 |
Electrical Characteristics
T
j
=25 C, V
IN
=V
OUT
+1.0V, I
O
=1mA, unless otherwise specified
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
IN
Input Voltage
8
V
V
OUT
Output Voltage Tolerance
2
2
%
I
SS
Quiescent Current
I
O
=0mA
5
7
A
V
LOAD
Load Regulation (Note1)
1mA I
OUT
500mA
0.004
0.008
%/mA
V
DROP
Dropout Voltage (Note2)
V
OUT
=2%
I
OUT
=500mA
V
O
1.8V
800
1200
mV
2.5V V
O
2.7V
500
650
3.0V V
O
5.0V
360
500
V
LINE
Line Regulation
V
OUT
+1.0V V
IN
8.0V
0.2
0.3
%/V
I
LIM
Current Limit (Note3)
V
OUT
=10%
500
mA
Temperature Coefficient
40 C<Ta<85 C
0.8
mV/ C
Note:
1.Loadregulationismeasuredataconstantjunctiontemperature,usingpulsetestingwithalowONtimeand
is guaranteed up to the maximum power dissipation. Power dissipation is determined by the input/output
differentialvoltageandtheoutputcurrent.Guaranteedmaximumpowerdissipationwillnotbeavailableover
the full input/output range. The maximum allowable power dissipation at any ambient temperature is
P
D
= (T
J(MAX)
Ta) /
JA
.
2.Dropoutvoltageisdefinedastheinputvoltageminustheoutputvoltagethatproducesa2%changeinthe
output voltage from the value at V
IN
= V
OUT
+1V with a fixed load.
3. Current limit is measured by pulsing for a short time.
Application Circuits
Basic Circuits
Typical Application Circuits
High output current positive voltage regulator
HT78XX Series
Rev. 1.00
3
March 2, 2007
!
"
#
$
%
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|---|---|
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| HT7860B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| HT7860C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
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