MIC59300 Datasheet, PDF (4/15 Pages) Micrel Semiconductor – Ultra High Speed 3A LDO

Micrel, Inc.
MIC59300
Absolute Maximum Ratings⁽¹⁾
Supply Voltage (V_IN) ........................................ –0.3V to +4V
Bias Supply Voltage (V_BIAS)............................. –0.3V to +6V
Enable Input Voltage (V_EN)............................. –0.3V to V_BIAS
Power Dissipation .....................................Internally Limited
Storage Temperature (T_s) .........................–65°C to +150°C
ESD Rating⁽³⁾.................................................................. 3kV
Operating Ratings⁽²⁾
Supply Voltage (V_IN)............................................ 1V to 3.8V
Bias Supply Voltage (V_BIAS)................................. 3V to 5.5V
Enable Input Voltage (V_EN).................................. 0V to V_BIAS
Junction Temperature (T_J) ..................–40°C ≤ T_J ≤ +125°C
Package Thermal Resistance
EPAD SOIC (θ_JA) ...............................................41°C/W
TO-263 (θ_JC)………………………………… ......6.3°C/W
Electrical Characteristics⁽⁴⁾
T_A = 25°C with V_BIAS = V_OUT + 2.2V; V_IN = V_OUT + 1V; I_LOAD = 10mA; bold values indicate 0°C ≤ T_J ≤ 85°C, unless otherwise
specified.
Parameter
Output Voltage Accuracy
(Fixed Voltage Options)
Line Regulation (V_IN)
Line Regulation (V_BIAS)
Feedback Voltage
(Adjustable Output Voltage)
Output Voltage Load Regulation
V_IN – V_OUT; Dropout Voltage
V_BIAS – V_OUT; Dropout Voltage
V_BIAS supply current
V_BIAS shutdown current
V_IN shutdown current
FB bias current
UVLO
Current Limit
Enable Input
Enable Input Threshold
Enable Pin Input Current
AC Response
Large signal bandwidth
PSRR (BIAS) at 10kHz
PSRR (IN) at 10kHz
Thermal Shutdown
Condition
Room temperature
Over temperature range
V_IN = V_OUT + 1V to 3.8V
V_BIAS = 3V to 5.5V (V_OUT < 0.8V)
V_BIAS = V_OUT + 2.2V to 5.5V (V_OUT ≥ 0.8V)
Room temperature
Over temperature range
I_L = 10mA to 3A (SOIC)
I_L = 10mA to 3A (TO-263)
I_L = 1.5A
I_L = 3A (SOIC)
I_L = 3A (TO-263)
I_L = 3A
V_EN = 2V, I_L = 100mA
V_EN = 2V, I_L = 3A
V_EN = 0V
V_EN = 0V
Adj only
V_BIAS rising
Hysteresis
V_OUT = 0V
Regulator enable
Regulator shutdown
Independent of state
V_BIAS = 3.3V, I_OUT = 1.5A
V_IN = V_OUT + 1V, I_OUT = 1.5A
V_IN = V_OUT + 0.3V, I_OUT = 1.5A
Min Typ Max
1
1
2
2
0.0015 0.1
0.035 0.3
Units
%
%
%/V
%/V
0.495 0.5 0.505
V
0.490 0.5 0.510
V
0.15 0.5
%
0.15 0.5
%
93
250
mV
205 400
mV
205 500
mV
0.91 2.1
V
2
7.5
mA
30
150
mA
0.1
1
µA
0.1
1
µA
0.02
1
µA
2.7 2.85 3.0
V
100
mV
3.3
4.7
9.0
A
1.6 0.85
V
0.75 0.3
V
0.002
1
µA
1
MHz
45
dB
65
dB
55
dB
145
°C
January 2009
4
M9999-010809-A