mic9131 Micrel Semiconductor, mic9131 Datasheet - Page 6

• Manufacturer Part Number: mic9131
• Description: Mic9131 High-voltage, High-speed Telecom Dc-to-dc Controller
• Manufacturer: Micrel Semiconductor

MIC9131
M9999-080206
5.012
5.010
5.008
5.006
5.004
5.002
5.000
4.998
Peak Short Circuit Depletion
1.95
1.85
1.75
1.65
1.55
V
7.8
7.6
7.4
7.2
6.8
6.6
6.4
1.9
1.8
1.7
1.6
1.5
CC
85
80
75
70
65
60
55
50
45
40
7
-40 -20 0 20 40 60 80 100120140
2
8 9 10 11 12 13 14 15 16 17 18
0
8 9 10 11 12 13 14 15 16 17 18
FET Current vs. V
R
Turn On/Off Thresholds
25°C
125°C
–40°C
B IAS
vs. Temperature
Enable Threshold
40
TEMPERATURE (°C)
V
= 560K
BIAS
vs. V
80
V
V
V
CC
CC
LINE
vs. V
(V)
(V)
120
CC
(V)
V
R
Vcc G LO Of f
Vcc G LO On
C C
B IAS
CC
V
=10V
C C
=560K
160
LINE
= 0V
200
ISNS Current Limit Threshold
822.0
821.5
821.0
820.5
820.0
819.5
819.0
818.5
818.0
5.06
5.04
5.02
4.98
4.96
4.94
2.5
1.5
0.5
16
14
12
10
5
-40 -20 0 20 40 60 80 100120140
2
1
0
8
6
4
2
0
8 9 10 11 12 13 14 15 16 17 18
8 9 10 11 12 13 14 15 16 17 18
0
Depletion FET Current
vs. V
Gate Drive Current
vs. Temperature
40
TEMPERATURE (°C)
V
BIAS
vs. V
CC
vs. V
80
V
V
V
6
LINE
CC
CC
Voltage
Voltage
LINE
(V)
(V)
V
R
R t = 9.47K
C t = 470pF
120
CC
(V)
R
V
C C
B IAS
V
R
E n =7.5V
C C
B IAS
–40°C
C C
B IAS
= 10V
SOURCE
= 10V
=7.5V
= 560K
=560K
160
125°C
=560K
25°C
S INK
200
ISNS Current Limit Threshold
FET Current vs. Temperature
Peak Short Circuit Depletion
836
834
832
830
828
826
824
822
820
818
816
5.01
4.99
4.98
4.97
4.96
4.95
4.94
12
10
85
80
75
70
65
60
55
50
45
40
-40
8
6
4
2
0
-40
7
5
Depletion FET Current
48V Line
vs. Low V
0
V
7.5
vs. Temperature
180V Line
BIAS
0
TEMPERATURE (°C)
0
TEMPERATURE (°C)
1
8
Load Regulation
40
40
V
I
LINE
BIAS
LINE
2
8.5
(V)
V
R
80
80
(mA)
C C
B IAS
V
Voltage
9
3
V
C C
= 10V
C C
= 560K
120
120
= 10V
125°C
August 2006
–40°C
9.5
= 0V
25°C
Micrel, Inc.
4
160
160
10
5