8284 Datasheet, PDF (4/8 Pages) Allegro MicroSystems – TWO-OUTPUT LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR

8284
TWO-OUTPUT LNB SUPPLY AND
CONTROL-VOLTAGE REGULATOR
ELECTRICAL CHARACTERISTICS
(unless otherwise noted).
at
T_A
=
25°C,
ENT
=
L,
EN
=
H,
LLC
=
L,
V_IN
=
24
V,
I_OUT
=
50
mA
Characteristic
Overload Flag Logic Low
Overload Flag
Leakage Current
Symbol
V_OL
I_OZ
Test Conditions
I_OL = 8 mA
V_OH = 5.5 V
Min.
—
—
Limits
Typ. Max. Units
0.28 —
V
<1.0 — µA
Logic Input Voltage
Logic Input Current
Supply Current
Thermal Shutdown Temp.
Linear Regulator Voltage Drop
Switching Frequency
V_IL
V_IH
I_IH
I_IN
T_J
∆V_BUCK
f_O
V_IH = 5 V
Outputs disabled (EN = L)
ENT = H, I_O = 600 mA, V_O = 13 V
V_BULK – V_O
16 • f_tone
—
—
0.8
V
2.0 —
—
V
— <1.0 — µA
— 0.5 — mA
— 382 — mA
— 165 — °C
— 0.8 —
V
320 352 384 kHz
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4
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