SI9113 Datasheet, PDF (4/10 Pages) Vishay Siliconix – High-Voltage Current Mode PWM Controller for ISDN Power Supplies

Si9113
Vishay Siliconix
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
1.306
V_REF vs. Temperature (V_IN = 48 V)
V_UVSTART/V_UVSTOP vs. Temperature
9.1
9.0
V_CC = 14 V
1.304
8.9
8.8
1.302
V_CC = 12 V
8.7
V_CC = 10 V
8.6
1.300
8.5
1.298
–50 –25
0
25
50
Temperature (_C)
75
100
8.4
–50 –25
0
25
50
Temperature (_C)
75
100
Output Frequency vs. Oscillator Resistance
300
Supply Current vs. Output Frequency
2.0
V_CC = 10 V
100
1.6
V_CC = 14 V
1.2
V_CC = 12 V
0.8
V_CC = 10 V
0.4
10
10
100
F_OSC (kW)
1000 2000
Output Frequency vs. Supply Voltage
24
R_OSC = 1 MW
22
85_C
25_C
20
–40_C
18
16
14
9
10
11
12
13
14
15
V_CC (V)
www.siliconix.com S FaxBack 408-970-5600
4
0
0
50
100 150 200 250 300
F_OUT (kHz)
Soft-Start Current vs. Temperature
13
12
V_CC = 10 V
11
10
9
8
7
–40 –20
0
20 40 60
Temperature (_C)
80 100
Document Number: 71093
S-99453—Rev. A . 29-Nov-99