lm9076qbmax-5.0 National Semiconductor Corporation, lm9076qbmax-5.0 Datasheet - Page 12

no-image

lm9076qbmax-5.0

Manufacturer Part Number
lm9076qbmax-5.0
Description
150ma Ultra-low Quiescent Current Ldo Regulator With Delayed Reset Output
Manufacturer
National Semiconductor Corporation
Datasheet
www.national.com
For the LM9076Q–3.3 with a C
I
For the LM9076Q–5.0 with a C
I
THERMAL PROTECTION
Device operational range is limited by the maximum junction
temperature (T
the ambient temperature (T
DELAY
DELAY
value of 0.420 uA the typical RESET delay time is:
value of 0.420 uA the typical RESET delay time is:
t
t
DELAY
DELAY
= 5.0V X (0.001uF / 0.420uA) = 11.9 ms
t
=3.3V × (0.001 uF / 0.420 uA) = 7.8 ms
DELAY
J
). The junction temperature is influenced by
= V
OUT
X (C
A
), package selection, input volt-
DELAY
DELAY
DELAY
FIGURE 2. Typical Reset Pin Operational Waveforms
value of 0.001 uF and a
value of 0.001 uF and a
/ I
DELAY
)
12
age (V
maximum load currents the input voltage and/or ambient tem-
perature will be limited. When operating with maximum input
voltage the load current and/or the ambient temperature will
be limited.
Even though the LM9076Q is equipped with circuitry to pro-
tect itself from excessive thermal dissipation, it is not recom-
mended that the LM9076Q be operated at, or near, the
maximum recommended die junction temperature (T
may impair long term device reliability.
The thermal protection circuity monitors the temperature at
the die level. When the die temperature exceeds typically
160°C the voltage regulator output will be switched off.
IN
), and the output load current. When operating with
30154349
J
) as this

Related parts for lm9076qbmax-5.0