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MIC39150_09 Datasheet, PDF (4/14 Pages) Micrel Semiconductor – 1.5A, Low-Voltage Low-Dropout Regulator
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Micrel, Inc.
MIC39150/39151/39152
Absolute Maximum Ratings(1)
Operating Ratings(2)
Supply Voltage (VIN) ....................................... –20V to +20V
Enable Voltage (VEN)....................................................+20V
Storage Temperature (Ts) .........................–60°C to +150°C
Lead Temperature (soldering, 5 sec.)........................ 260°C
ESD Rating................................................................ Note 3
Supply Voltage (VIN).................................... +2.25V to +16V
Enable Voltage (VEN)....................................................+16V
Maximum Power Dissipation (PD(max)) ....................... Note 4
Junction Temperature (TJ) ........................ –40°C to +125°C
Package Thermal Resistance
TO-263 (θJC) ........................................................2°C/W
TO-220 (θJC) ........................................................2°C/W
TO-252 (θJC) ........................................................3°C/W
TO-252 (θJA) ......................................................56°C/W
Electrical Characteristics(5)
VIN = VEN = VOUT + 1V; IOUT = 10mA; TJ = 25°C, bold values indicate –40°C< TJ < +125°C, unless noted.
Symbol Parameter
Condition
Min Typ
VOUT
Output Voltage
10mA
–1
10mA ≤ IOUT ≤ 1.5A, VOUT + 1V ≤ VIN ≤ 8V
–2
Line Regulation
Load Regulation
IOUT = 10mA, VOUT + 1V ≤ VIN ≤ 16V
VIN = VOUT + 1V, 10mA ≤ IOUT ≤ 1.5A
0.06
0.2
∆VOUT/∆T Output Voltage Temp.
20
Coefficient, Note 6
VDO
Dropout Voltage, Note 7
IOUT = 100mA, ∆VOUT = –1%
80
IOUT = 750mA, ∆VOUT = –1%
260
IOUT = 1.5A, ∆VOUT = –1%
375
IGND
Ground Current, Note 8
IOUT = 750mA, VIN = VOUT + 1V
4
IOUT = 1.5A, VIN = VOUT + 1V
17
IGND(do)
Dropout Ground Pin Current
VIN ≤ VOUT(nominal) – 0.5V, IOUT = 10mA
1.1
IOUT(lim)
Current Limit
VOUT = 0V, VIN = VOUT + 1V
2.8
IOUT(min)
Minimum Load Current
7
tSTART
Start-up Time
VEN = VIN, IOUT = 10mA, COUT = 47µF
35
Enable Input (MIC39151)
VEN
Enable Input Voltage
logic low (off)
logic high (on)
2.25
IIN
Enable Input Current
VEN = 2.25V
1
15
VEN = 0.8V
IOUT(shdn) Shutdown Output Voltage
Flag Output (MIC39151)
IFLG(leak)
Output Leakage Current
Note 9
VOH = 16V
10
0.01
VFLG(do)
Output Low Voltage
VIN = 2.250V, IOL = 250µA, Note 10
180
VFLG
Low Threshold
High Threshold
Hysteresis
% of VOUT
% of VOUT
93
1
Max
1
2
0.5
1
100
200
500
20
10
150
0.8
30
75
2
4
20
1
2
300
400
99.2
Units
%
%
%
%
ppm/°C
mV
mV
mV
mA
mA
mA
A
mA
µs
V
V
µA
µA
µA
µA
µA
µA
µA
mV
mV
%
%
%
October 2009
4
M9999-102309-A
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