mic9131 Micrel Semiconductor, mic9131 Datasheet - Page 5

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

Typical Characteristics
August 2006
MIC9131
2.510
2.505
2.500
2.495
2.490
2.485
2.480
Error Amp Reference Voltage
-0.2
-0.3
-0.4
-0.5
0.3
0.2
0.1
0.0
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
3.5
2.5
1.5
0.5
-0
3
2
1
-40 -20 0 20 40 60 80 100120140
8 9 10 11 12 13 14 15 16 17 18
8
0
V
R
R
R
C
vs. Temperature
C C
B IAS
Oscillator Frequency
Quiescent Current
B IAS
t
t
Quiescent Current
200 400 600 800 1000 1200
= 9.47K
= 470pF
= 10V
10
vs. V
TEMPERATURE (°C)
vs. V
= 560K
= 560K
vs. R
12
R
CC
F
R t =9.47K
C t =470pF
V
V
CC
BIAS
OSC (NOM)
CC
CC
BIAS
V
R
C
f
Voltage
OSC
Voltage
(V)
(V)
C C
t
t
(kΩ)
14
= 9.53K
= 470pf
= 10V
= 200kHz
=200kHz
16
18
1.220
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
1.48
1.46
1.44
1.42
1.38
1.36
1.34
1.32
-0.5
-1.5
-2.5
1.5
0.5
1.5
1.4
1.3
ISNS to Gate Output Delay
90
80
70
60
50
40
30
20
10
-1
-2
2
1
0
0
-40
-40 -20 0 20 40 60 80 100120140
8 9 10 11 12 13 14 15 16 17 18
0
Line UVLO Threshold
Oscillator Frequency
Quiescent Current
200 400 600 800 1000 1200
vs. Temperature
vs. Temperature
0
TEMPERATURE (°C)
TEMPERATURE (°C)
vs. R
vs. V
40
R
V
5
BIA S
CC
BIAS
CC
(V)
V
R
R
C
(kΩ)
V
R
R
C t = 470pF
80
C C
B IAS
t
t
C C
B IAS
t
= 9.47K
= 470pF
= 9.47K
= 10V
= 10V
= 560K
120
= 560K
160
2.502
2.501
2.500
2.499
Error Amp Reference Voltage
1.24
1.23
1.22
1.21
1.19
1.18
1.2
200
180
160
140
120
100
ISNS to Gate Output Delay
10
80
60
40
20
-40
9
8
7
6
5
4
3
2
1
0
0
8 9 10 11 12 13 14 15 16 17 18
GATE DRIVE FREQUENCY (kHz)
R
Line UVLO Threshold
V
R
B IAS
C C
B IAS
Quiescent Current
vs. Temperature
vs. V
=10V
0
TEMPERATURE (°C)
vs. Frequency
= 560K
vs. Overdrive
=560K
OVERDRIVE (mV)
R
C t = 470pF
B IAS
R
B IAS
40
CC
V
=160K
CC
R
=560K
B IAS
Voltage
(V)
80
C
=360K
t
= 100pF
120
M9999-080206
Micrel, Inc.
160