MIC9130_08 Datasheet, PDF (5/19 Pages) Micrel Semiconductor – High-Voltage, High-Speed Telecom DC-to-DC Controller

MIC9130
Typical Characteristics
Oscillator Frequency
vs. V_CC Voltage
2.0
1.5
F_{OSC (NOM)}=200kHz
Rt=9.47K
1.0 Ct=470pF
0.5
0
-0.5
-1.0
-1.5
-2.0
8 9 10 11 12 13 14 15 16 17 18
V_CC (V)
Error Amp Reference
Voltage vs. Temperature
2.510
V = 10V
CC
2.505 R_{B IAS}= 560K
2.500
2.495
2.490
2.485
2.480
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
Quiescent Current
vs. V_CC Voltage
2.4
R = 560K
2.2 ^{B IAS}
Rt = 9.47K
2.0 Ct = 470pF
1.8
1.6
1.4
1.2
1.0
8
10 12 14 16 18
V_CC (V)
Quiescent Current
vs. R_BIAS
3.5
V_{C C} = 10V
3
Rt = 9.53K
Ct = 470pf
2.5
f_OSC = 200kHz
2
1.5
1
0 200 400 600 800 1000 1200
R_BIAS (kΩ)
November 2008
Oscillator Frequency
vs. Temperature
5
4
3
2
1
0
-1
-2
-3
-4
-5
-40
V_{C C} = 10V
R_{B IAS}= 560K
Rt = 9.47K
Ct = 470pF
0 40 80 120 160
TEMPERATURE (°C)
1.220
Line UVLO Threshold
vs. V_CC
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
8 9 10 11 12 13 14 15 16 17 18
VCC (V)
Quiescent Current
vs. Temperature
1.4
1.39 ^VC C ^{= 10V}
1.38 ^{RBIAS= 560K}
1.37 ^{Rt = 9.47K}
1.36 ^{Ct = 470pF}
1.35
1.34
1.33
1.32
1.31
1.3
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
ISNS to Gate Output Delay
vs. R_BIAS
90
80
70
60
50
40
30
20
10
00 _{200 400 600 800 1000 1200}
R_BIAS (kΩ)
5
Micrel, Inc.
Error Amp Reference
Voltage vs. V_CC Voltage
2.502
R_{B IAS}= 560K
2.501
2.500
2.499
8 9 10 11 12 13 14 15 16 17 18
V_CC (V)
Line UVLO Threshold
vs. Temperature
1.24
V_{C C}=10V
1.23 R_{B IAS}=560K
1.22
1.21
1.2
1.19
1.18
-40
0 40 80 120 160
TEMPERATURE (°C)
Quiescent Current
vs. Frequency
10
9
Ct = 470pF
8
7
6
5
4
3
Ct = 120pF
2
1
00 _{200 400 600 800 1000}
GATE DRIVE FREQUENCY (kHz)
ISNS to Gate Output Delay
vs. Overdrive
350
300
250
200
150
R_{B IAS}=560K
100
R_{B IAS}=360K
50
0 ^{RB IAS=160K}
OVERDRIVE (mV)
M9999-111108