MIC37500(2002) View Datasheet(PDF) - Micrel
Part Name
Description
Manufacturer
MIC37500 Datasheet PDF : 8 Pages
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MIC37500/37501/37502
Absolute Maximum Rating (Note 1)
Supply Voltage (VIN) .................................................... 6.5V
Enable Input Voltage (VEN) .......................................... 6.5V
Power Dissipation .................................... Internally Limited
Junction Temperature ........................ –40°C ≤ TJ ≤ +125°C
Storage Temperature ......................... –65°C ≤ TJ ≤ +150°C
Lead Temperature (soldering, 5 sec.) ....................... 260°C
ESD, Note 3
Micrel
Operating Maximum Rating (Note 2)
Supply Voltage (VIN) ....................................... 2.3V to 6.0V
Enable Input Voltage (VEN) ................................ 0V to 6.0V
Junction Temperature Range ............. –40°C ≤ TJ ≤ +125°C
Maximum Power Dissipation …………….. ............... Note 4
Package Thermal Resistance
S-Pak(θJC) …………………… ............. …………2°C/W
Electrical Characteristics
TA = 25°C with VIN = VOUT + 1V; VEN = VIN; bold values indicate –40°C < TJ < +125°C; unless otherwise noted.
Parameter
Condition
Min Typ
Output Voltage Accuracy
Output Voltage Line Regulation
Output Voltage Load Regulation
VIN – VOUT; Dropout Voltage ;
Note 5
Ground Pin Current, Note 6
Ground Pin Current in Shutdown
Current Limit
Start-up Time
Enable Input
IL = 10mA
10mA < IOUT < IL(max), VOUT + 1 ≤ VIN ≤ 6V
VIN = VOUT +1.0V to 6.0V
IL = 10mA to 5A
IL = 2.5A
IL = 5A
IL = 5A
VIL < 0.5V, VIN = VOUT + 1V
VOUT = 0
VEN = VIN, IOUT = 10mA, COUT = 22µF
-1
-2
0.06
0.2
330
57
1.0
7.5
170
Enable Input Threshold
Regulator enable
2.25
Regulator shutdown
Enable Pin Input Current
VIL < 0.8V (Regulator shutdown)
VIH > 2.25V (Regulator enabled)
1
15
Flag Output
IFLG(LEAK)
VOH = 6V
VFLG(LO)
VIN = 2.25V, IOL = 250uA, Note 7
210
VFLG
MIC37502 Only
Reference Voltage
Adjust Pin Bias Current
Low Threshold, % of Vout below nominal
Hysteresis
High Threshold, % of Vout below nominal
93
2
1.228
1.215
1.240
40
Max
+1
+2
0.5
1
350
500
500
0.8
2
4
30
75
1
2
99.2
1.252
1.265
80
120
Units
%
%
%
%
mV
mV
mA
µA
A
µs
V
V
µA
µA
µA
µA
µA
µA
mV
mV
%
%
%
V
V
nA
nA
January 2002
3
MIC37500/37501/37502
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