SM74202 Datasheet, PDF (5/12 Pages) Texas Instruments – 100V Current Mode PWM Controller

SM74202
www.ti.com
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18
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12
10
8
6
4
2
0
0
SNOSBA4A – NOVEMBER 2011 – REVISED APRIL 2013
Typical Performance Characteristics
Unless otherwise specified: T_J = 25°C.
V_CC and V_IN
vs
V_IN
9
V_CC
vs
I_CC (V_IN = 48V)
10
20
V_IN (V)
Figure 3.
8
7
6
5
4
3
2
1
0
5
10
15
20
25
ICC (mA)
Figure 4.
1.00E+06
Oscillator Frequency
vs
RT (Note 5)
Oscillator Frequency
vs
Temperature
RT = 31.6kΩ (Note 5)
210
205
1.00E+05
200
195
1.00E+04
1
10
100
RT (k:)
Figure 5.
Soft Start Current
vs
Temperature
13.0
11.8
10.6
9.4
8.2
7.0
-40
10
60
110
TEMPERATURE (^oC)
Figure 7.
190
-40
10
60
110
TEMPERATURE (^oC)
Figure 6.
_50
_40
_30
_20
_10
_0
-_10
-_20
-_30
-_40
-_50
10k
Error Amp. Gain/Phase Plot
225
180
135
90
45
0
-45
-90
-135
-180
-225
100k
1M
10M
FREQUENCY (Hz)
Figure 8.
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