LP2967 Datasheet, PDF (7/20 Pages) National Semiconductor (TI) – Dual Micropower 150 mA Low-Dropout Regulator in micro SMD Package

Electrical Characteristics (Continued)
Limits in standard typeface are for T_j = 25˚C, and limits in boldface type apply over the full operating junction temperature
range. Unless otherwise specified, V_IN = V_O(NOM) + 1V, I_L = 1mA, C_IN = 1µF,C_OUT = 4.7µF, V_ON/OFF = 1.6V.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
C_BYPASS = 100nF, V_IN =
V_O(NOM) + 1V + 100mV p-p
square wave (trise and tfall =
100ns)
F = 120Hz
RR
Ripple Rejection F = 800Hz
F = 1000Hz
−52
−54
dB
−56
F = 1600Hz
−58
F = 10kHz
−50
F = 100kHz
−47
F = 1MHz
−70
∆I_LOAD 1 = 150 mA at 1kHz rate
(15 mA/µs rise and fall slope)
I_LOAD2 = 1mA
Xtalk
Crosstalk
∆V_OUT 2/ ∆V_OUT 1
−100
dB
Rejection
∆I_LOAD 2 = 150 mA at 1KHz rate
(15 mA/µs rise and fall slope)
I_LOAD 1 = 1mA
∆V_OUT 2/ ∆V_OUT 1
−100
Note 1: Absolute maximum ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its rated operating conditions.
Note 2: Rating is for the human body mode, a 100pF capacitor discharged through a 1.5kΩ resistor into each pin.
Note 3: The maximum allowable power dissipation is calculated by using P_DMAX = (T_JMAX - T_A/θ_JA, where T_JMAX is the maximum junction temperature, T_A is the
ambient temperature, and θ_JA is the junction-to-ambient thermal resistance of the specified package. Therefore, the maximum power dissipation must be derated
at elevated temperatures and is limited by T_JMAX, θ_JA and _A.
Note 4: If used in a dual-supply system where the regulator load is returned to a negative supply, the LP2967 output must be diode-clamped to ground.
Note 5: The output PNP structure contains a diode between the V_IN and V_OUT terminals that is normally reverse-biased. Reversing the polarity from V_IN and V_OUT
will turn on this diode.
Note 6: Load regulation excursion over temperature is included in Output Voltage Tolerance.
Note 7: The dropout voltage of a regulator is defined as the minimum input-to-output differential required to stay within 100mV of the output voltage measured with
a 1V differential.
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