MIC37100/37101/37102
Micrel
Absolute Maximum Ratings(1)
Operating Ratings(2)
Supply Voltage (V ) ........................................ 0V to +6.5V
Supply Voltage (V ) .................................... +2.25V to +6V
IN
IN
Enable Voltage (V ) .................................................+6.5V
Enable Voltage (V ) .......................................... 0V to +6V
EN
EN
(4)
Storage Temperature (T ) ....................... –65°C to +150°C
Maximum Power Dissipation (P
) ...........................
S
D(max)
Lead Temperature (soldering, 5 sec.) ....................... 260°C
Junction Temperature (T ) ....................... –40°C to +125°C
J
(3)
ESD ................................................................................
Package Thermal Resistance
SOT-223 (θ ) .....................................................15°C/W
JC
SOIC-8 (θ ) .......................................................20°C/W
JC
S-PAK-5 (θ ) .......................................................2°C/W
JC
Electrical Characteristics
VIN = VOUT + 1V; VEN = 2.25V; 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 ≤ 1A, VOUT + 1V ≤ VIN ≤ 6V
Line Regulation
Load Regulation
IOUT = 10mA, VOUT + 1V ≤ VIN ≤ 6V
VIN = VOUT + 1V, 10mA ≤ IOUT ≤ 1A,
0.06
0.2
0.5
1
%
%
(6)
∆VOUT/∆T
Output Voltage Temp. Coefficient
40
ppm/°C
(6)
VDO
Dropout Voltage
IOUT = 100mA, ∆VOUT = –1%
IOUT = 500mA, ∆VOUT = –1%
IOUT = 750mA, ∆VOUT = –1%
IOUT = 1A, ∆VOUT = –1%
125
210
250
280
200
350
400
500
mV
mV
mV
mV
(7)
IGND
Ground Current
IOUT = 100mA, VIN = VOUT + 1V
IOUT = 500mA, VIN = VOUT + 1V
IOUT = 750mA, VIN = VOUT + 1V
IOUT = 1A, VIN = VOUT + 1V
650
3.5
6.7
11
mA
mA
mA
mA
A
25
IOUT(lim)
Enable Input
VEN
Current Limit
VOUT = 0V, VIN = VOUT + 1V
1.6
2.5
Enable Input Voltage
Enable Input Current
logic low (off)
logic high (on)
VEN = 2.25V
0.8
30
V
V
2.25
IEN
1
10
µA
VEN = 0.8V
2
4
µA
µA
Flag Output
IFLG(leak)
Output Leakage Current
VOH = 6V
0.01
210
1
2
µA
µA
VFLG(do)
VFLG
Output Low Voltage
Low Threshold
High Threshold
Hysteresis
VIN = 2.250V, IOL, = 250µA
% of VOUT
500
mV
%
93
% of VOUT
99.2
%
1
%
M9999-091604
4
September 2004
MICREL [ MICREL SEMICONDUCTOR ]
