MIC2194 Datasheet, PDF (5/10 Pages) Micrel Semiconductor – SFP Management IC

MIC2194
Typical Characteristics
Quiescent Current
vs. Input Voltage
4.5
4
Switching
3.5
3
2.5
2
1.5
1
0.5
Standby
00
5
10
15
INPUT VOLTAGE (V)
3.05
V_DD vs. Load
3.03 V_IN = 3.3V
3.01
2.99
2.97 V_IN = 5V
2.95
2.93
2.91 ^VIN ^{= 12V}
2.89
2.87
2.850 _{0.2 0.4 0.6 0.8 1 1.2}
V_DD LOAD CURRENT (mA)
Error Amp Reference Voltage
vs. Temperature
1.3
1.29
1.28
1.27
1.26
1.25
1.24
1.23
1.22
1.21 V_IN = 5V
1.-240 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Overcurrent Threshold vs.
Input Voltage
130
125
120
115
110
105
100
95
900 _{2 4 6 8 10 12 14}
INPUT VOLTAGE (V)
October 2002
Quiescent Current
vs. Temperature
2.0
1.8
V_IN = 5V
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
3.50 ^{VDD vs. Temperature}
3.40
3.30
3.20
3.10
3.00
2.90
2.80
2.70
2.60
V_IN = 5V
2.5-040 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Frequency Variation
vs. Input Voltage
0.5
0
-0.5
-1
-1.5
-20 _{2 4 6 8 10 12 14}
INPUT VOLTAGE (V)
Current Limit Threshold
vs. Temperature
120
115
V_IN = 5V
110
105
100
95
90
85
8-040 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
5
Micrel
3.05 ^{VDD vs. Input Voltage}
3.00
2.95
2.90
2.85
2.800
5
10
15
INPUT VOLTAGE (V)
Error Amp Reference Voltage
vs. Input Voltage
1.2455
1.2450
1.2445
1.2440
1.2435
1.24300 _{2 4 6 8 10 12 14}
INPUT VOLTAGE (V)
Frequency Variation vs.
Temperature
450
440
V_IN = 5V
430
420
410
400
390
380
370
360
35-050 _{-30 -10 10 30 50 70 90 110}
TEMPERATURE (°C)
OUTP Drive Impedance
vs. Input Voltage
4.5
4
3.5
3
2.5
Source(Ω)
2
1.5
1
Sink (Ω)
0.5
00 _{2 4 6 8 10 12 14}
INPUT VOLTAGE (V)
MIC2194