UA78L05ACPK

The UA78L series of fixed-voltage linear regulators is
designed for a wide range of applications. The UA78L
series can be used for on-card regulation to eliminate
the noise and distribution problems associated with
single-point regulation. The UA78L can also be
used with power-pass elements to make high-current
voltage regulators. The UA78L series regulators can
deliver up to 100 mA of output current. Additionally,
the UA78L does not need an external capacitor
for stable operation across the load current range.
The internal current-limiting and thermal-shutdown
features of these regulators help protect the device
from overload.
For the legacy chip, the UA78L00C and UA78L00AC
series are characterized for the junction temperature
range of 0°C to +125°C and the UA78L05AI device
is characterized for the operating junction temperature
range of –40°C to +125°C.
For the new chip, the UA78L series is characterized
for the junction temperature range of –40°C to
+125°C.

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SPECIFICATION

• Input voltage range (VI
): 4.75 V to 35 V
• Output voltage range (VO):
– 2.6 V to 15 V (for legacy chip)
– 3.3 V to 15 V (for new chip)
• Output current: Up to 100 mA
• Quiescent current IQ: 3.8 mA
• Built-in short-circuit current limiting and thermal
protection
• Stable without any external component
• Supported temperature range:
– Legacy chip C and AC versions: 0°C to +125°C
– Legacy chip AI version: –40°C to +125°C
– New chip: –40°C to +125°C
• Packages:
– 8-pin, 4.9-mm × 3.91-mm SOIC
– 3-pin, 4.3-mm × 4.3-mm TO-92
– 3-pin, 4.5-mm × 2.5-mm SOT-89