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MIC37100 Datasheet, PDF (4/15 Pages) Micrel Semiconductor – 1A LOW VOLTAGE U CAP LDO REGULATOR
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MIC37100/37101/37102
Absolute Maximum Ratings(1)
Supply Voltage (VIN) ........................................ 0V to +6.5V
Enable Voltage (VEN) ................................................. +6.5V
Storage Temperature (TS) ....................... –65°C to +150°C
Lead Temperature (soldering, 5 sec.) ....................... 260°C
ESD ................................................................................(3)
Micrel
Operating Ratings(2)
Supply Voltage (VIN) .................................... +2.25V to +6V
Enable Voltage (VEN) .......................................... 0V to +6V
Maximum Power Dissipation (PD(max)) ........................... (4)
Junction Temperature (TJ) ....................... –40°C to +125°C
Package Thermal Resistance
SOT-223 (θJC) ..................................................... 15°C/W
SOIC-8 (θJC) ....................................................... 20°C/W
S-PAK-5 (θJC) ....................................................... 2°C/W
Electrical Characteristics
VIN = VOUT + 1V; VEN = 2.25V; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C; unless noted
Symbol
Parameter
Condition
VOUT
∆VOUT/∆T
VDO
Output Voltage
Line Regulation
Load Regulation
Output Voltage Temp. Coefficient(6)
Dropout Voltage(6)
IGND
Ground Current(7)
IOUT(lim)
Current Limit
Enable Input
10mA
10mA ≤ IOUT ≤ 1A, VOUT + 1V ≤ VIN ≤ 6V
IOUT = 10mA, VOUT + 1V ≤ VIN ≤ 6V
VIN = VOUT + 1V, 10mA ≤ IOUT ≤ 1A,
IOUT = 100mA, ∆VOUT = –1%
IOUT = 500mA, ∆VOUT = –1%
IOUT = 750mA, ∆VOUT = –1%
IOUT = 1A, ∆VOUT = –1%
IOUT = 100mA, VIN = VOUT + 1V
IOUT = 500mA, VIN = VOUT + 1V
IOUT = 750mA, VIN = VOUT + 1V
IOUT = 1A, VIN = VOUT + 1V
VOUT = 0V, VIN = VOUT + 1V
VEN
Enable Input Voltage
logic low (off)
logic high (on)
IEN
Enable Input Current
VEN = 2.25V
VEN = 0.8V
Min
–1
–2
2.25
1
Flag Output
IFLG(leak)
Output Leakage Current
VOH = 6V
VFLG(do)
Output Low Voltage
VIN = 2.250V, IOL, = 250µA
VFLG
Low Threshold
% of VOUT
93
High Threshold
% of VOUT
Hysteresis
Typ
0.06
0.2
40
125
210
250
280
650
3.5
6.7
11
1.6
10
0.01
210
1
Max Units
1
%
2
%
0.5
%
1
%
ppm/°C
200 mV
350 mV
400 mV
500 mV
mA
mA
mA
25
mA
2.5
A
0.8
V
V
30
µA
2
µA
4
µA
1
µA
2
µA
500 mV
%
99.2
%
%
M9999-091604
4
September 2004
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