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參數(shù)資料
| 型號： | LR1108-XX-AB3-A-R |
| 廠商： | 友順科技股份有限公司 |
| 英文描述： | 1A FAST ULTRA LOW DROPOUT LINEAR REGULATOR |
| 中文描述： | 1A條快速超低差線性穩(wěn)壓器 |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 149K |
| 代理商： | LR1108-XX-AB3-A-R |
LR1108
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R102-031.
ELECT RICAL CHARACT ERIST ICS (Cont.)
Note 1. Conditions for which the device is intended to be functional is indicated by operating ratings, but specific
performance limits isn’t be guaranteed. To make sure of specifications and test conditions, read Electrical
Characteristics. Only for the test conditions listed the guaranteed specifications can be applied. When the
device is not operated under the listed test conditions some performance characteristics may degrade.
2. Devices must be derated based on package thermal resistance at elevated temperatures.
3. The most likely parametric norm represents at 25
4. The LR1108 output must be diode-clamped to ground. If used in a dual-supply system where the regulator
load is returned to a negative supply.
5. Between the V
IN
and V
OUT
terminals the output PMOS structure contains a diode. This diode is reverse
biased normally. If the voltage at the output terminal is forced to be higher than the voltage at the input
terminal this diode will get forward biased. This diode can withstand 1Amp of peak current and 200mA of DC
current typically.
6. Output voltage line regulation is the change in output voltage from the nominal value which is due to change
in the input line voltage. Which is defined as the change in output voltage from the nominal value due to
change in load current is output voltage load regulation. The load regulation and line regulation specification
include the typical number only. But, the limits for load and line regulation are included in the output voltage
tolerance specification.
7. Error Flag hysteresis and threshold are specified as regulated output voltage’s percentage.
8. At which the output drops 2% below the normal value dropout voltage is defined as the minimum input to
output differential voltage. Only to output voltages of 2.5V and above dropout voltage specification applies.
For output voltages below 2.5V, since the minimum input voltage is 2.5V, the drop-out voltage is nothing but
the input to output differential.
9. Specification has been tested at
40
≤
T
J
≤
85
the device is negligible.
10. The minimum operating V
IN
value is equal to [V
OUT(NOM)
+ V
DROPOUT
] or 2.5V, just the greater.
.
cause under shutdown conditions the temperature rise of
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| LR1108-XX-AB3-C-R | 1A FAST ULTRA LOW DROPOUT LINEAR REGULATOR |
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| LR1108-12-AB3-A-R | 1A FAST ULTRA LOW DROPOUT LINEAR REGULATOR |
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| LR1108-XX-AB3-C-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:1A FAST ULTRA LOW DROPOUT LINEAR REGULATOR |
| LR1108-XX-AF5-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:1A FAST ULTRA LOW DROPOUT LINEAR REGULATOR |
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