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MIC37501 Datasheet(PDF) 3 Page - Micrel Semiconductor

Part No. MIC37501
Description  5A, Low Voltage μCap LDO Regulator
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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MIC37501 Datasheet(HTML) 3 Page - Micrel Semiconductor

 
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Micrel, Inc.
MIC37501/37502
May 2011
3
M9999-050511-B
Absolute Maximum Ratings(1)
Supply Voltage (VIN) ................................................. 6.5V
Enable Input Voltage (VEN) ....................................... 6.5V
Power Dissipation(PD) .......................... Internally Limited
Junction Temperature(TJ) ............... –40°C ≤ TJ ≤ +125°C
Storage Temperature(TS) ............... –65°C ≤ TJ ≤ +150°C
Lead Temperature (soldering, 5 sec.) ....................260°C
ESD Rating
(3)...............................................................2kV
Operating Ratings(2)
Supply Voltage (VIN) ......................................... 2.3V to 6.0V
Enable Input Voltage (VEN) .................................. 0V to 6.0V
Junction Temperature Range(TJ) ....... –40°C ≤ TJ ≤ +125°C
Maximum Power Dissipation .....................................Note 4
Package Thermal Resistance
S-Pak(θJA) ......................................................... 38°C/W
S-Pak(θJC) ........................................................... 2°C/W
TO-263(θJA).................................................... 26.2°C/W
TO-263(θJC)......................................................... 2°C/W
Electrical Characteristics(5)
TA = 25°C with VIN = VOUT + 1V; VEN = VIN; bold values indicate –40°C < TJ < +125°C; unless otherwise noted.
Parameter
Condition
Min
Typ
Max
Units
IL = 10mA
–1
+1
%
Output Voltage Accuracy
10mA < IOUT < IL(max), VOUT + 1 ≤ VIN ≤ 6V
–2
+2
%
Output Voltage Line Regulation
VIN = VOUT +1.0V to 6.0V
0.06
0.5
%
Output Voltage Load Regulation
IL = 10mA to 5A
0.2
1
%
IL = 2.5A
350
mV
VIN – VOUT, Dropout Voltage
(6)
IL = 5A
330
500
mV
Ground Pin Current
(7)
IL = 5A
57
100
mA
Ground Pin Current in Shutdown
VIL < 0.5V, VIN = VOUT + 1V
1.0
µA
Current Limit
VOUT = 0
5
7.5
11
A
Start-up Time
VEN = VIN, IOUT = 10mA, COUT = 100µF
170
500
µs
Enable Input
Regulator enable
2.25
V
Enable Input Threshold
Regulator shutdown
0.8
V
VIL < 0.8V (Regulator shutdown)
2
4
µA
µA
Enable Pin Input Current
VIH > 2.25V (Regulator enabled)
1
15
30
75
µA
µA
Flag Output
IFLG(LEAK)
VOH = 6V
1
2
µA
µA
VFLG(LO)
VIN = 2.25V, IOL = 250µA
(8)
210
400
500
mV
mV
Low threshold, % of VOUT below nominal
93
%
Hysteresis
2
%
VFLG
High threshold, % of VOUT below nominal
99.2
%
MIC37502 Only
Reference Voltage
1.228
1.215
1.240
1.252
1.265
V
V
Adjust Pin Bias Current
40
80
120
nA
nA


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