8226 Datasheet, PDF (3/8 Pages) Allegro MicroSystems – LOW-DROPOUT REGULATORS . HIGH EFFICIENCY

8226 THRU 8233
LOW-DROPOUT
REGULATORS
ELECTRICAL CHARACTERISTICS at T_A = +25°C, V_E ≥ 2.0 V (unless otherwise noted).
Limits
Characteristic
Symbol Test Conditions
Min. Typ. Max.
Output Voltage
V_O
(reference specified V_O(nom))
Output Volt. Temp. Coeff.
Line Regulation
Load Regulation
Dropout Voltage
Ground Terminal Current
ENABLE Input Voltage
ENABLE Input Current
Rejection Ratio
a_VO
∆V_O(∆VI)
∆V_O(∆IO)
V_Imin - V_O
I_GND
I_Q
V_EH
V_EL
I_E
PSRR
4 V ≤ V_I ≤ 7 V, 10 µA ≤ I_O ≤ 50 mA*
V_I = V_O(nom), I_O = 50 mA
V_I = 6 V, I_O = 10 mA, T_J ≤ 125°C
4 V ≤ V_I ≤ 7 V, I_O = 1 mA
1 mA ≤ I_O ≤ 50 mA*, 4 V ≤ V_I ≤ 7 V
I_O = 50 mA
V_I < 7 V, I_O ≤ 50 mA
V_I ≤ 7 V, V_E ≤ 0.8 V, I_O = 0 mA
4 V ≤ V_I ≤ 7 V, Output ON
4 V ≤ V_I ≤ 7 V, Output OFF
V_E = V_I = 7 V
V_I = V_O(nom) + 1.5 V, V_i = 100 mV, I_O = 10 mA,
f = 1 kHz
f = 10 kHz
-0.05
—
—
—
—
—
—
—
2.0
—
—
0.00
—
-0.20
3.0
—
125
32
—
—
—
—
—
70
—
52
+0.05
-0.25
—
10
20
250
45
1.0
—
0.8
±1.0
—
—
Output Noise
e_n
10 Hz ≤ f ≤ 100 kHz, I_O = 10 mA, C_O = 10 µF
—
0.5
—
Typical values are at T_A = +25°C and are given for circuit design information only.
* Pulse test (≤20 ms). See previous page for duty cycle limitations.
Units
V
V
mV/°C
mV
mV
mV
µA
µA
V
V
µA
dB
dB
µV/√Hz
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