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ELM Electronics - LOW SATURATION VOLTAGE REGULATOR

Numéro de référence ELM99xxA
Description LOW SATURATION VOLTAGE REGULATOR
Fabricant ELM Electronics 
Logo ELM Electronics 





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ELM99xxA fiche technique
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ELM99xxxA LOW SATURATION VOLTAGE REGULATOR
GENERAL DESCRIPTION
ELM99xxxA series is CMOS voltage regulator providing large current. It consists of devices including
reference voltage source, error amplifier, low resistance output transistor, short-circuit protection circuit,
output voltage setting resistor, chip-enable circuit. Output voltage is fixed internally with high accuracy.
ELM99xxxA provides excellent characteristics, such as small input-output voltage difference due to low
resistance output transistor, high load stability due to high gain error amplifier.
The chip-enable function is available in three selections, no-chip enable function, active-low (“L” active)
and active-high (“H” active).
The package is SOT-89-3 or SOT-89-5. SOT-89-5 is used for chip enable version.
FEATURES
Maximum output current
: 300mA (Intenal current limiter operates in case load
current exceeds 300mA.)
High accuracy of output voltage
: ± 2.0%
Small input-output voltage differential
: TYP. 140mV (ELM9930xA IOUT=40mA)
Low stand-by current consumption
: TYP. 0.1 μ A (ELM99xx3A)
High load stability
: TYP. 5mV (1mA Iout 100mA)
High input stability
: TYP. 0.15%/V (ELM9930xA IOUT=40mA)
Output voltage range
: 2.0V 6.0V ( 0.1V steps )
Short-circuit current limiter
: TYP. 70mA (VOUT=0V)
Chip-enable pin available
: “L”active ELM99xx2A, “H”active ELM99xx3A
APPLICATION
Cellular telephones
Palmtops
Laptop and notebook computers
cameras and video recorders
Reference voltage sources
Battery-operated devices
PCMCIA cards
PIN CONFIGURATION
1.ELM99xx1A
2.ELM99xx2A
3.ELM99xx3A
54
54
SOT-89
SOT-89-5
SOT-89-5
123
( TOP VIEW )
SOT-89
Pin No. Pin Name
1 VSS
2 VIN
3 VOUT
123
( TOP VIEW )
SOT-89-5
Pin No. Pin Name
1 VSS
2 VIN
3 VOUT
4 NC
5 CE
123
( TOP VIEW )
SOT-89-5
Pin No. Pin Name
1 VSS
2 VIN
3 VOUT
4 NC
5 CE
220

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