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LD1985 Datasheet(PDF) 2 Page - Unisonic Technologies

Part No. LD1985
Description  VERY LOW DROP AND LOW NOISE VOLTAGE REGULATOR LOW ESR CAP. COMPATIBLE, WITH INHIBIT FUNCTION
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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LD1985 Datasheet(HTML) 2 Page - Unisonic Technologies

 
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LD1985
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
2 of 10
www.unisonic.com.tw
QW-R102-021,C
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
MARKING
SOT-25
15:1.5V
18:1.8V
25:2.5V
28:2.8V
2J:2.85V
30:3.0V
31:3.1V
32:3.2V
33:3.3V
35:3.5V
36:3.6V
38:3.8V
40:4.0V
47:4.7V
50:5.0V
5
4
3
Voltage Code
21
L D
Lead Plating
PIN DESCRIPTION
PIN NO.
PIN NAME
FUNCTION
1
VIN
Input
2
GND
Ground
3
INHIBIT
Control switch ON/OFF. Inhibit is not internally pulled-up; it cannot be left floating.
Disable the device when connected to GND or to a positive voltage less than 0.18V
4
Bypass
Bypass Pin: Capacitor to be connected to GND in order to improve the thermal noise
performances.
5
VOUT
Output
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
Thermal Resistance Junction-Case
θJC
81
/W


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