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ELM99XXXA Scheda tecnica(PDF) 1 Page - ELM Electronics

Il numero della parte ELM99XXXA
Spiegazioni elettronici  LOW SATURATION VOLTAGE REGULATOR
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Produttore elettronici  ELM [ELM Electronics]
Homepage  http://www.elmelectronics.com
Logo ELM - ELM Electronics

ELM99XXXA Scheda tecnica(HTML) 1 Page - ELM Electronics

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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
1.ELM99xx1A
SOT-89
Pin No. Pin Name
1
VSS
2
VIN
3
VOUT
2.ELM99xx2A
3.ELM99xx3A
SOT-89-5
Pin No. Pin Name
1
VSS
2
VIN
3
VOUT
4
NC
5
CE
1
23
( TOP VIEW )
SOT-89
1
23
( TOP VIEW )
5
4
SOT-89-5
ELM99xxxA
ELM99xxxA
ELM99xxxA
ELM99xxxA
ELM99xxxA LOW SATURATION VOLTAGE REGULATOR
SOT-89-5
Pin No. Pin Name
1
VSS
2
VIN
3
VOUT
4
NC
5
CE
PIN CONFIGURATION
1
23
( TOP VIEW )
5
4
SOT-89-5


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