iC-WD A/B/C
SWITCHED-MODE DUAL VOLTAGE REGULATOR
Rev D1, Page 5/12
ELECTRICAL CHARACTERISTICS
Operating Conditions: VB = 8...36 V, LVH = 220 µH, Ri(LVH) < 2 Ω, CVH = 4.7 µF, RVB = 1 Ω, Tj = -40...125 °C, unless otherwise noted
Item Symbol
No.
Parameter
Conditions
Unit
Min.
4.5
Typ.
Max.
313
Vl(VH)
Voltage VH with load
WDA;
I(VCC) + I(VCCA) = -200 mA, VB = 8 V
Tj = 27 °C
V
V
5.0
314 Ioff
Max. Cut-off Current in VHL
VH < Vl(VH), RVB = 1 Ω
-500
-460
-400
mA
Error Detection NER
401 Toff
Thermal Shutdown Threshold
130
3
150
15
°C
°C
%
402 Thys
Thermal Shutdown Hysteresis
403 ∆VCC
∆VCCA
Relative Undervoltage Threshold
at VCC, VCCA referenced to
VCCnom, VCCAnom
8
12
4
16
404 VCChys
Undervoltage Hysteresis
2
5
7
%
V
VCCAhys referenced to VCCnom, VCCAnom
405 Vs(NER)
Saturation Voltage lo at NER
I(NER) = 5 mA
0.7
21
406
Isc(NER) Short-Circuit Current lo in NER
V(NER) = 1...36 V
Tj = -40 °C
Tj = 27 °C
Tj = 70 °C
Tj = 125 °C
mA
mA
mA
mA
mA
15
12
10
8
407 I0(NER)
Collector Off-State Current in
NER
NER = off, V(NER) = 0...36 V
0
10
µA
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