SI786 Vishay, SI786 Datasheet - Page 5

• Manufacturer Part Number: SI786
• Description: Dual-output Power-supply Controller
• Manufacturer: Vishay

Document Number: 70189
S-40807—Rev. J, 26-Apr-04
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
100
75
50
25
0
Pulse-Skipping Waveforms
0
Shutdown Supply Current vs. Supply Voltage
I
Load
200 mS/div
V
6
IN
= 100 mA
= 10 V
SHDN = 0 V
Supply Voltage (V)
12
18
1000.0
100.0
10.0
24
1.0
0.1
5-V Output
50 mV/div
2 V/div
0.1
5 V, V+ = 30 V
Switching Frequency vs. Load Current
SYNC = REF (300 kHz)
ON
30
3
= ON
1
5
3.3 V, V+ = 7.5 V
= 5 V
Load Current (mA)
10
Pulse-Width Modulation Mode Waveforms
5 V, V+ = 7.5 V
1.0
0.8
0.6
0.4
0.2
0.0
100
0.001
5-V Output Current = 1 A
5-V Output
Still Regulating
Minimum V
V
0.01
500 ns/div
IN
1000
vs. 5-V Output Current
= 16 V
5-V Output Current (A)
IN
to V
300 kHz
Vishay Siliconix
0.1
OUT
Differential
200 kHz
1
www.vishay.com
LX 10 V/div
5-V Output
50 mV/div
Si786
10
5