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Numéro de référence | ELM99xxA | ||
Description | LOW SATURATION VOLTAGE REGULATOR | ||
Fabricant | ELM Electronics | ||
Logo | |||
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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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Pages | Pages 19 | ||
Télécharger | [ ELM99xxA ] |
No | Description détaillée | Fabricant |
ELM99xxA | LOW SATURATION VOLTAGE REGULATOR | ELM Electronics |
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