MIC9130 Datasheet, PDF (6/19 Pages) Micrel Semiconductor – High-Voltage, High-Speed Telecom DC-to-DC Controller

MIC9130
5.010
5.008
V_BIAS vs. V_CC
R_{B IAS}= 560K
5.006
5.004
5.002
5.000
4.998
4.996
4.994
4.992
4.990 _{8 9 10 11 12 13 14 15 16 17 18}
VCC (V)
V_CC Turn On/Off Thresholds
vs. Temperature
7.8
V_{C C}=10V
7.6 _{RB IAS=560K}
Vcc G LO On
7.4
7.2
7
6.8
Vcc G LO Off
6.6
6.-440 _{-20 0 20 40 60 80 100120140}
TEMPERATURE (°C)
2
1.95
1.9
1.85
1.8
1.75
1.7
1.65
1.6
1.55
1.58
Enable Threshold
vs. V_CC
9 10 11 12 13 14 15 16 17 18
V_CC (V)
Peak Short Circuit Depletion
FET Current vs. V_LINE
80
75 ^VC C ^{= 0V}
70
65
60 –40°C
55 _25°C
50
45 ^125°C
400
40 80 120 160 200
V_LINE (V)
M9999-040805
5V V_BIAS Voltage
vs. Temperature
5.06
5.04
5.02
5
4.98
V_{C C} = 10V
R_{B IAS}= 560K
4.96
Rt = 9.47K
4.94
Ct = 470pF
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
ISNS Current Limit Threshold
822.0
vs. V_CC Voltage
821.5
R_{B IAS}=560K
821.0
820.5
820.0
819.5
819.0
818.5
818.08 _{9 10 11 12 13 14 15 16 17 18}
V_CC (V)
Gate Drive Current
2.5
vs. V_CC
2.3
2.1
S INK
1.9
1.7
1.5
1.3
1.1
0.9
S OURC E
0.7
0.58 _{9 10 11 12 13 14 15 16 17 18}
V_CC (V)
Depletion FET Current
12
vs. V_LINE
25°C
–40°C
10
8
V_{C C}=7.5V
6
125°C
4
2
00
40 80 120 160
V_LINE (V)
6
Micrel, Inc.
5
4.99
4.98
4.97
4.96
4.95
4.94
0
Bias Voltage Load
Regulation
V_{C C} = 10V
12345
IBIAS (mA)
ISNS Current Limit Threshold
vs. Temperature
840
V_{C C}= 10V
835
R_{B IAS}= 560K
830
825
820
81-540
0 40 80 120 160
TEMPERATURE (°C)
Peak Short Circuit Depletion
FET Current vs. Temperature
80
75 ^{180V Line}
V_{C C} = 0V
70
65
60
55 48V Line
50
45
4-040 ₀
40 80 120 160
TEMPERATURE (°C)
Depletion FET Current
vs. Low V_LINE Voltage
10
9
–40°C
8
25°C
7
125°C
6
5
4
3
2
1
07 _{7.5 8 8.5 9 9.5 10}
V_LINE (V)
April 2005