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LD3986 Datasheet(PDF) 5 Page - STMicroelectronics

Part No. LD3986
Description  DUAL ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REG. FOR USE WITH VERY LOW ESR OUT. CAPACITORS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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LD3986 Datasheet(HTML) 5 Page - STMicroelectronics

 
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LD3986 SERIES
5/12
Note 1: For VO< 2V, VI=2.5V
Note 2: Dropout voltage is the input-to-output voltage difference at which the output voltage is 100mV below its nominal value. This specifi-
cation does not apply for input voltages below 2.5V.
Note 3: Enable pin must be driven with a TR = TF < 10ms
Note 4: Turn-on time is time measured between the enable input just exceeding VINH High Value and the output voltage just reaching 95%
of its nominal value
Note 5: Typical thermal protection hysteresis is 20°C
Figure 4: SVR Input Voltage Test Signal
Figure 5: AC Line Regulation Input Voltage Test Signal
CO
Output Capacitor
Capacitance
1
22
µF
ESR
0.005
5
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit


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