參數(shù)資料
型號: LD3985M50R
廠商: 意法半導(dǎo)體
英文描述: ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE
中文描述: 超低壓降低噪聲BICMOS工藝電壓調(diào)節(jié)器兼容低ESR電容
文件頁數(shù): 5/14頁
文件大?。?/td> 393K
代理商: LD3985M50R
LD3985 SERIES
5/14
Note 1 – For V
O(NOM)
< 2V, V
= 2.5V
Note 2 – For V
= 1.25V, V
= 2.5V
Note 3 – Dropout voltage is the input-to-output voltage difference at which the output voltage is 100mV below its nominal value. This speci-
fication does not apply for input voltages below 2.5V.
Note 4 – Turn-on time is time measured between the enable input just exceeding V
INH
High Value and the output voltage just reaching 95%
of its nominal value
Note 5 – Typical thermal protection hysteresis is 20°C
Note 6 - The minimum capacitor value is 1μF, anyway the LD3985 is still stable if the compensation capacitor has a 30% tolerance in all
temperature range.
TYPICAL PERFORMANCE CHARACTERISTICS
(T
j
= 25°C, V
I
= V
O(NOM)
+0.5V, C
I
= C
O
= 1
μ
F,
C
BYP
= 1
0
nF, I
O
= 1mA, V
INH
= 1.4V, unless otherwise specified)
Figure 4:
Output Voltage vs Temperature
Figure 5:
Output Voltage vs Temperature
Figure 6:
Output Voltage vs Temperature
Figure 7:
Shutdown Voltage vs Temperature
C
O
Output Capacitor
Capacitance (Note 6)
ESR
1
5
22
μF
m
5000
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
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