Micrel, Inc.
MIC37100/37101/37102
Absolute Maximum Ratings
(1)
Supply Voltage (V
IN
) .......................................... 0V to +6.5V
Enable Voltage (V
EN
)...................................................+6.5V
Lead Temperature (soldering, 5 sec.)........................ 260°C
Storage Temperature (T
s
) .........................–65°C to +150°C
ESD Rating
(3)
Operating Ratings
(2)
Supply Voltage (V
IN
)...................................... +2.25V to +6V
Enable Voltage (V
EN
)............................................ 0V to +6V
Maximum Power Dissipation (P
D(max)
)
(4)
Junction Temperature (T
J
) ........................ –40°C to +125°C
Package Thermal Resistance
SOT-223 (θ
JC
) ....................................................15°C/W
SOIC-8 (θ
JC
).......................................................20°C/W
S-PAK-5 (θ
JC
).......................................................2°C/W
Electrical Characteristics
V
IN
= V
OUT
+ 1V; V
EN
= 2.25V; T
J
= 25°C,
bold
values indicate –40°C< T
J
< +125°C, unless noted.
Symbol
V
OUT
Parameter
Output Voltage
Line Regulation
Load Regulation
Condition
10mA
10mA
≤
I
OUT
≤
1A, V
OUT
+ 1V
≤
V
IN
≤
6V
I
OUT
= 10mA, V
OUT
+ 1V
≤
V
IN
≤
6V
V
IN
= V
OUT
+ 1V, 10mA
≤
I
OUT
≤
1A
(6)
Min
–1
–2
Typ
Max
1
2
Units
%
%
%
%
pm/°C
mV
mV
mV
mV
µA
mA
mA
0.06
0.2
40
125
210
250
280
650
3.5
6.7
11
1.6
0.5
1
∆V
OUT
/∆T
V
DO
Output Voltage Temp. Coefficient
Dropout Voltage
(6)
I
OUT
= 100mA,
∆V
OUT
= –1%
I
OUT
= 500mA,
∆V
OUT
= –1%
I
OUT
= 750mA,
∆V
OUT
= –1%
I
OUT
= 1A,
∆V
OUT
= –1%
200
350
400
500
I
GND
Ground Current
(7)
I
OUT
= 100mA, V
IN
= V
OUT
+ 1V
I
OUT
= 500mA, V
IN
= V
OUT
+ 1V
I
OUT
= 750mA, V
IN
= V
OUT
+ 1V
I
OUT
= 1A, V
IN
= V
OUT
+ 1V
25
2.5
mA
A
V
V
µA
µA
µA
µA
µA
mV
%
%
%
I
OUT(lim)
V
EN
I
EN
Current Limit
Enable Input Voltage
Enable Input Current
V
OUT
= 0V, V
IN
= V
OUT
+ 1V
logic low (off)
logic high (on)
V
EN
= 2.25V
V
EN
= 0.8V
Enable Input
0.8
2.25
1
10
30
2
4
Flag Output
I
FLG(leak)
V
FLG(do)
V
FLG
Output Leakage Current
Output Low Voltage
Low Threshold
High Threshold
Hysteresis
V
OH
= 6V
V
IN
= 2.250V, I
OL
, = 250µA
% of V
OUT
% of V
OUT
1
1.228
1.215
1.240
40
1.252
1.265
80
120
93
99.2
0.01
210
1
2
500
MIC37102 Only
Reference Voltage
Adjust Pin Bias Current
V
V
nA
nA
September 2007
4
M9999-090607
MICREL [ MICREL SEMICONDUCTOR ]
