SI-3018KM Datasheet, PDF (3/9 Pages) Allegro MicroSystems – 1 A, Low-Dropout, 1.8 V Regulator

LRinegeuarlators
SI-3018KM
1 A, Low-Dropout,
1.8 V Regulator
ELECTRICAL CHARACTERISTICS at T_A = +25°C, V_E = 2 V (unless otherwise noted).
Limits
Characteristic
Symbol Test Conditions
Min. Typ. Max. Units
Output Voltage
V_O
V_O(off)
Output Volt. Temp. Coeff.
a_VO
Output Short-Circuit Current I_OM
Line Regulation
∆V_O(∆VI)
Load Regulation
∆V_O(∆IO)
Dropout Voltage
V_Imin - V_O
Ground Terminal Current
I_GND
Enable Input Voltage
Enable Input Current
Ripple Rejection Ratio
Thermal Shutdown
V_EH
V_EL
I_EH
I_EL
PSRR
T_J
V_I = 2.5 V, I_O = 10 mA
V_E = 0 V
0°C ≤ T_J ≤ 100°C
V_I = 2.5 V, See note
V_I = 2.5 V ~ 6 V, I_O = 10 mA
V_I = 2.5 V, I_O = 0 A ~ 1.0 A
I_O = 0.5 A
I_O = 1.0 A
V_I = 2.5 V, I_O = 0 mA, V_E = 2.0 V
V_I = 2.5 V, V_E = 0 V
Output ON
Output OFF
V_E = 2.0 V
V_E = 0 V
V_I = 2.5 V, 100 Hz ≤ f ≤ 120 Hz
I_O = 10 mA
1.764 1.800 1.836 V
—
— 0.5
V
— ±0.3 — mV/°C
1.1 — —
A
—
— 15
mV
—
— 40
mV
—
— 0.6
V
—
— 0.6
V
—
— 350
µA
—
— 1.0
µA
2.0 — —
V
—
— 0.8
V
—
— 40
µA
—
0 -5.0
µA
— 55 —
dB
135 150 —
°C
Typical values are given for circuit design information only.
Note: Output short-circuit current is at point where output voltage has decreased 5%.
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