IC-WD Datasheet, PDF (4/12 Pages) IC-Haus GmbH – SWITCHED-MODE DUAL VOLTAGE REGULATOR

iC-WD A/B/C
SWITCHED-MODE DUAL VOLTAGE REGULATOR
Rev D1, Page 4/12
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 Parameter
No.
Conditions
Unit
Min. Typ. Max.
Total Device
001 VB
Permissible Supply Voltage
Range
8
36
V
Linear Regulator VCC (200 mA)
101 VCC_nom Output Voltage
I(VCC) = -200...0 mA;
WD, WDC
WDA, WDB
4.75 5.00 5.25
V
3.135 3.30 3.465 V
102 I(VCC) Permissible Load Current
-200
0
mA
103 C_VCC
104 VCC_rip
Min. Output Capacity for Stability
Residual Ripple
Evaluation Board (see Fig. 8), Tj = 27 °C:
I(VCC) = -200 mA, I(VCCA) = -20 mA
4.7
35
µF
mVss
Linear Regulator VCCA (25 mA)
201 VCCA_nom Output Voltage
I(VCCA) = -25...0 mA;
WD, WDB
WDA, WDC
4.75 5.00 5.25
V
3.135 3.30 3.465 V
202 I(VCCA) Permissible Load Current
-25
0
mA
203 C_VCCA
204 VCCA_rip
Min. Output Capacity for Stability
Residual Ripple
Evaluation Board (see Fig. 8), Tj = 27 °C:
I(VCC) = -200 mA, I(VCCA) = -20 mA
1
30
µF
mVss
Switching Regulator VB, VBR, VHL, VH
301 I0(VB)
Quiescent Current in VB
I(VCC) = 0, I(VCCA) = 0, Tj = 25 °C;
VB = 12 V
VB = 24 V
VB = 30 V
4.5
mA
3.0
mA
2.5
mA
302 I(VB)
Current in VB with partial load
I(VCC) + I(VCCA) = -100 mA, Tj = 25 °C,
WD, WDB, WDC;
VB = 12 V
VB = 24 V
VB = 30 V
72
mA
37
mA
30
mA
303 I(VB)
Current in VB with partial load I(VCC) + I(VCCA) = -100 mA, Tj = 25 °C, WDA;
VB = 12 V
61
mA
VB = 24 V
33
mA
VB = 30 V
24
mA
304 I(VB)
Current in VB with full load
I(VCC) + I(VCCA) = -200 mA, Tj = 25 °C,
WD, WDB, WDC;
VB = 12 V
VB = 24 V
VB = 30 V
132
mA
69
mA
55
mA
305 I(VB)
Current in VB with full load
I(VCC) + I(VCCA) = -200 mA, Tj = 25 °C, WDA;
VB = 12 V
116
mA
VB = 24 V
62
mA
VB = 30 V
43
mA
306 C_VH
307 R(C_VH)
Charging Capacitor at VH
Series Resistance of C_VH for
stability
4.7
µF
12
Ω
308 f0(VHL) Switching Frequency with no load I(VCC) = 0, I(VCCA) = 0
20
kHz
309 fl(VHL)
Switching Frequency with load I(VCC) + I(VCCA) = -200 mA
Tj = 27 °C
60
120 kHz
90
kHz
310 V0(VH) No-load Voltage VH
WD, WDB, WDC;
I(VCC) = 0, I(VCCA) = 0, VB = 36 V
Tj = 27 °C
7.5
V
7
V
311 V0(VH) No-load Voltage VH
WDA;
I(VCC) = 0, I(VCCA) = 0, VB = 36 V
Tj = 27 °C
5.8
V
5.4
V
312 Vl(VH) Voltage VH with load
WD, WDB, WDC;
I(VCC) + I(VCCA) = -200 mA, VB = 8 V
6
V
Tj = 27 °C
6.3
V