IRS2158D Datasheet, PDF (15/30 Pages) International Rectifier – Ballast control and half-bridge driver in one IC

IRS2158D(S)
300
330pF
250
680pF
200
1nF
1.5nF
150
100
50
0
0
20
40
60
80
100
RFMIN(KΩ)
FREQ vs RFMIN vs CT
(IRS2158D)
Graph 1. Run Frequency vs RFMIN and CT
6
5
VCT+
4
3
2
VCT-
1
0
11
12
13
14
15
VCC(V)
VCT+,- vs VCC (IRS2158D)
RFMIN=15KΩ, CT=1nF
Graph 2. CT voltage thresholds vs VCC
140
120
100
330pF
680pF
80
1nF
60
1.5nF
40
20
0
11
12
13
14
15
VCC(V)
FREQ vs VCC vs CT
RFMIN=15KΩ (IRS2158D)
16
14
12
10
8
6
4
2
0
0
50 100 150 200 250 300
FREQ(kHz)
ICC vs FREQ (IRS2158D)
RFMIN=15K_Ω, CT=330pF
Graph 3. Run Frequency vs VCC and CT
Graph 4. ICC vs Frequency
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