MIC37150_07 Datasheet, PDF (4/13 Pages) Micrel Semiconductor – 1.5A, Low Voltage μCap LDO Regulator

Micrel, Inc.
Absolute Maximum Ratings⁽¹⁾
Supply Voltage (V_IN) ......................................................6.5V
Enable Input Voltage (V_EN)............................................6.5V
Power Dissipation .....................................Internally Limited
Junction Temperature .........................–40°C ≤ T_J ≤ +125°C
Storage Temperature (T_s) ...................–65°C ≤ T_J ≤ +150°C
Lead Temperature (soldering, 5sec.)......................... 260°C
EDS Rating................................................................ Note 3
MIC37150/51/52/53
Operating Ratings⁽²⁾
Supply voltage (V_IN) ....................................... 2.25V to 6.0V
Enable Input Voltage (V_EN).................................. 0V to 6.0V
Junction Temperature Range .............–40°C ≤ T_J ≤ +125°C
Maximum Power Dissipation..................................... Note 4
Package Thermal Resistance
S-Pak (θ_JC) ..........................................................2°C/W
Power SOIC-8 (θ_JA) ...........................................63°C/W
e-Pad SOIC-8 (θ_JC)............................................10°C/W
Electrical Characteristics⁽⁵⁾
T_A = 25°C with V_IN = V_OUT + 1V; V_EN = V_IN; bold values indicate –40°C < T_J < +125°C, unless otherwise noted.
Parameter
Condition
Min Typ Max
Output Voltage Accuracy
I_L = 10mA
–1
+1
10mA < I_OUT < I_L(max), V_OUT + 1 ≤ V_IN ≤ 6V
–2
+2
Output Voltage Line Regulation
V_IN = V_OUT +1.0V to 6.0V
0.06 0.5
Output Voltage Load Regulation I_L = 10mA to 1.5A
0.2
1
V_IN – V_OUT; Dropout Voltage,
I_L = 750mA
350
Note 6
I_L = 1.5A
500
Ground Pin Current, Note 7
I_L = 1.5A
17
30
Ground Pin Current in Shutdown V_IL ≤ 0.5V, V_IN = V_OUT + 1V
1.0
Current Limit
V_OUT = 0
2.25 4.0
Start-up Time
V_EN = V_IN, I_OUT = 10mA, C_OUT = 22µF
170 500
Enable Input
Enable Input Threshold
Regulator enable
2.25
Regulator shutdown
0.8
Enable Pin Input Current
V_IL ≤ 0.8V (regulator shutdown)
2
4
V_IH ≥ 2.25V (regulator enabled)
1
15
30
75
Flag Output
I_FLG(LEAK)
V_OH = 6V
1
2
V_FLG(LO)
V_IN = 2.25V, I_OL = 250µA, Note 8
210 300
400
V_FLG
Low threshold, % of V_OUT below nominal
93
Hysteresis
2
High threshold, % of V_OUT below nominal
99.2
Reference Voltage
1.228 1.240 1.252
Note 9
1.215
1.265
Reference Voltage Temp.
Note 10
20
Coefficient
Adjust Pin Bias Current
40
80
120
Adjust Pin Bias Current Temp.
0.1
Coefficient
Units
%
%
%
%
mV
mV
mA
µA
A
µs
V
V
µA
µA
µA
µA
µA
µA
mV
mV
%
%
%
V
V
ppm/°C
nA
nA
nA/°C
October 2007
4
M9999-101907