MIC4930 Datasheet, PDF (4/24 Pages) Micrel Semiconductor – Hyper Speed Control 3A Buck Regulator

MIC4930
ELECTRICAL CHARACTERISTICS (CONTINUED)(Note 1)
Electrical Characteristics: Unless otherwise indicated, V_IN = V_EN = 3.3V; L = 1.0 μH; T_A = 25°C, C_IN = 10 μH,
C_OUT = 10 μH.
Parameters
Sym.
Min.
Typ.
Max.
Units
Conditions
Output voltage load
regulation
LOADREG
—
0.3
—
—
1
—
PWM switch ON
resistance
R_DSON-P
R_DSON-N
—
30
—
—
25
—
—
665
—
Maximum turn-on time t_ON
—
1000
—
—
1120
—
Minimum turn-off time
Soft-start time
Enable threshold
Enable input current
Power Good threshold
Power Good hysteresis
Overtemperature
shutdown
t_OFF
t_SOFT-ON
V_EN
I_EN
V_OUTPG
V_OUTPGH
T_SD
—
176
—
—
500
—
0.5
0.8
1.2
0.1
1
82
88
94
—
7
—
150
Overtemperature
shutdown hysteresis
T_SDH
20
Note 1: Specification for packaged product only.
20 mA < I_LOAD < 500 mA,
V_IN = 3.6V if V_OUTNOM < 2.5V
% _{20 mA < ILOAD < 500 mA,}
V_IN = 5.0V if
V_OUTNOM ≥ 2.5V
20 mA < I_LOAD < 3A,
V_IN = 3.6V
%
if V_OUTNOM < 2.5V
20 mA < I_LOAD < 3 mA,
V_IN = 5.0V
if V_OUTNOM ≥ 2.5V
I_SW = 1A P-Channel
MOSFET
mΩ
I_SW = 1A N-Channel
MOSFET
V_IN = 4.5V, V_FB = 0.5V
ns V_IN = 3.0V, V_FB = 0.5V
V_IN = 2.7V, V_FB = 0.5V
ns ^VIN ^{= 3.0V, V}FB ^{= 0.5V}
μs V_OUT = 90% of V_OUTNOM
V Turn-on
μA —
% Rising
%—
°C —
°C —
DS20005669A-page 4
 2016 Microchip Technology Inc.