MIC39300/39301
Micrel
Absolute Maximum Ratings (Note 1)
Operating Ratings (Note 2)
Supply Voltage (V ) ..................................... –20V to +20V
Supply Voltage (V ) .................................. +2.25V to +16V
IN
IN
Enable Voltage (V ) ..................................................+20V
Enable Voltage (V ) ..................................................+16V
EN
EN
Storage Temperature (T ) ....................... –65°C to +150°C
Maximum Power Dissipation (P
)..................... Note 4
S
D(max)
Lead Temperature (soldering, 5 sec.) ....................... 260°C
ESD, Note 3
Junction Temperature (T ) ....................... –40°C to +125°C
J
Package Thermal Resistance
TO-263 (θ ) .........................................................2°C/W
JC
TO-220 (θ ) .........................................................2°C/W
JC
Electrical Characteristics
TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted
Symbol
Parameter
Condition
Min
Typ
Max
Units
VOUT
Output Voltage
10mA
–1
–2
1
2
%
%
10mA ≤ IOUT ≤ 3A, VOUT + 1V ≤ VIN ≤ 8V
Line Regulation
Load Regulation
IOUT = 10mA, VOUT + 1V ≤ VIN ≤ 8V
VIN = VOUT + 1V, 10mA ≤ IOUT ≤ 3A
0.06
0.2
20
0.5
1
%
%
∆VOUT/∆T
Output Voltage Temp. Coefficient,
100 ppm/°C
Note 5
VDO
Dropout Voltage, Note 6
IOUT = 100mA, ∆VOUT = –1%
IOUT = 750mA, ∆VOUT = –1%
IOUT = 1.5A, ∆VOUT = –1%
IOUT = 3A, ∆VOUT = –1%
80
200
320
400
10
200
mV
mV
mV
mV
mA
mA
mA
mA
A
500
20
IGND
Ground Current, Note 7
IOUT = 750mA, VIN = VOUT + 1V
IOUT = 1.5A, VIN = VOUT + 1V
IOUT = 3A, VIN = VOUT + 1V
17
45
IGND(do)
IOUT(lim)
Dropout Ground Pin Current
Current Limit
V
IN ≤ VOUT(nominal) – 0.5V, IOUT = 10mA
6
VOUT = 0V, VIN = VOUT + 1V
4.5
Enable Input (MIC39301)
VEN Enable Input Voltage
logic low (off)
logic high (on)
VEN = VIN
0.8
V
V
2.25
IIN
Enable Input Current
15
10
30
75
µA
µA
VEN = 0.8V
2
4
µA
µA
IOUT(shdn)
Shutdown Output Current
Note 8
20
µA
Flag Output (MIC39301)
IFLG(leak)
VFLG(do)
VFLG
Output Leakage Current
VOH = 16V
0.01
220
1
2
µA
µA
Output Low Voltage
VIN = 2.250V, IOL, = 250µA, Note 9
% of VOUT
300
400
mV
mV
Low Threshold
High Threshold
Hysteresis
93
%
%
%
99.2
1
March 2000
3
MIC39300/39301
MICREL [ MICREL SEMICONDUCTOR ]
