8186 Datasheet, PDF (3/8 Pages) Allegro MicroSystems – LOW-DROPOUT, 3.3 V REGULATOR . HIGH EFFICIENCY

8186
LOW-DROPOUT,
3.3 V REGULATOR
ELECTRICAL CHARACTERISTICS at T_A = +25°C (unless otherwise noted).
Limits
Characteristic
Symbol Test Conditions
Min.
Typ.
Max.
Output Voltage
V_O
4 V ≤ V_I ≤ 8 V,
T_A = +25°C
10 µA ≤ I_O ≤ 100 mA* -20°C ≤ T_A ≤ +85°C
V_I = 3.3 V, I_O = 60 mA*, -20°C ≤ T_A ≤ +85°C
Output Volt. Temp. Coeff.
α_VO
V_I = 6 V, I_O = 10 mA
Line Regulation
∆V_O(∆VI) 6 V ≤ V_I ≤ 8 V, I_O = 1 mA
4 V ≤ V_I ≤ 6 V, I_O = 1 mA
Load Regulation
∆V_O(∆IO)
1 mA ≤ I_O ≤ 100 mA*, V_I = 8 V
1 mA ≤ I_O ≤ 100 mA*, V_I = 6 V
1 mA ≤ I_O ≤ 100 mA*, V_I = 4 V
Dropout Voltage
V_Imin - V_O I_O = 60 mA*
I_O = 125 mA*
Quiescent Current
I_Q
V_I = 6 V, 1 mA ≤ I_O ≤ 100 mA*, V_E ≥ 2.0 V
(GND terminal current)
V_I = 8 V, 1 mA ≤ I_O ≤ 100 mA*, V_E ≥ 2.0 V
I_Q(off)
4 V ≤ V_I ≤ 8 V, V_E ≤ 0.8 V
ENABLE Input Voltage
V_EH
4 V ≤ V_I ≤ 8 V,
Output ON
V_EL
-20°C ≤ T_A ≤ +85°C Output OFF
ENABLE Input Current
I_E
T_A ≤ +85°C, V_E = V_I = 8 V
Thermal Shutdown Temp.
T_J
Thermal Resistance
R_θJA
Mounted on 2.24" x 2.24" solder-coated
copper-clad board in still air
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.
3.25
3.20
3.00
—
—
—
—
—
—
—
—
—
—
—
2.0
—
—
150
—
3.30
3.30
—
—
8.0
10
20
13
8.0
85
190
45
50
0.05
—
—
—
—
258
3.35
3.40
—
±1.0
12
20
30
25
20
150
300
60
65
1.0
—
0.8
±0.1
—
—
Units
V
V
V
mV/°C
mV
mV
mV
mV
mV
mV
mV
µA
µA
µA
V
V
µA
°C
°C/W