Micrel, Inc.
MIC2950/2951
Parameter
Current Limit
Thermal Regulation
Output Noise
Condition
V
OUT
= 0V
Note 13
10Hz to 100kHz, C
L
= 1.5µF
10Hz to 100kHz, C
L
= 200µF
10Hz to 100kHz, C
L
= 3.3µF,
0.01µF bypass Feedback to Output
Min
Typ
300
0.05
430
160
100
Max
400
450
0.20
Units
mA
mA
%/W
µV
RMS
µV
RMS
µV
RMS
Reference Voltage
MIC295x-02/-05 (±0.5%)
MIC295x-03/06 (±1%)
MIC2951-3.3 (±1%)
MIC2951-4.8 (±1%)
1.220
1.200
1.210
1.200
1.210
1.200
1.210
1.200
1.190
1.185
1.185
1.185
1.235
1.235
1.235
1.235
1.250
1.260
1.260
1.270
1.260
1.270
1.260
1.270
1.270
1.285
1.285
1.285
V
V
V
V
V
V
V
V
V
V
V
V
nA
nA
ppm/°C
ppm/°C
ppm/°C
ppm/°C
nA/°C
Reference Voltage
MIC295x-02/-05 (±0.5%),
Note 14
MIC295x-03/-06 (±1%),
Note 14
MIC2951-3.3 (±1%),
Note 14
MIC2951-4.8 (±1%),
Note 14
Feedback Bias Current
Reference Voltage
Temperature Coefficient
MIC295x-02/05 (±0.5%),
Note 9
MIC295x-03/06 (±1%),
Note 9
MIC2951-3.3 (±1%),
Note 9
MIC2951-4.8 (±1%),
Note 9
Feedback Bias Current
Temperature Coefficient
Error Comparator (Flag)
Output Leakage Current
Error Comparator (Flag)
Output Low Voltage (Flag)
Error Comparator (Flag)
Upper Threshold Voltage
Error Comparator
Lower Threshold Voltage
Error Comparator Hysteresis
V
OH
= 30V
V
IN
= 4.5V, I
OL
= 200µA
Note 15
Note 15
Note 15
40
25
20
20
50
50
50
0.1
0.01
150
60
75
15
40
60
1.00
2.00
250
400
µA
µA
mV
mV
mV
mV
95
140
mV
mV
mV
February 2010
6
M9999-021610
MICREL [ MICREL SEMICONDUCTOR ]
