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