iC-WD A/B/C
SWITCHED-MODE DUAL VOLTAGE REGULATOR
Rev D1, Page 11/12
EVALUATION BOARD
For the iC-WD devices an Evaluation Board is avail- the schematic as well as the layout of the Evaluation
able for test purpose. The following figures show Board.
RVB
LVH
VH
VB
CVB
CVH
1
Ω
220 µH
4.7µF
8
2
3
5
4.7 µF
GND
VB
VBR
VHL
VH
RNER
1.2 kΩ
SWITCHING REGULATOR VH
DNER
LED
OSCILLATOR
VCC
6
VCC
GND
CVCC
4.7 µF
NER
THERMAL
1
REG VCC
NER
SHUTDOWN
LOW VOLTAGE
ERROR DETECTION
VCCA
7
VCCA
CVCCA
VREF
iC−WD
1µF
REFERENCE
GND
REG VCCA
GND
4
Figure 8: Schematic diagram of the Evaluation Board
Figure 9: Evaluation Board (components side)
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