HA13568AT
2. FCS, TRR voltage drive
FO
DSP
TO
REF
R110
R111
FCSIN
(Zin ≈ 12kΩ)
FCSREF
(Zin ≈ 12kΩ)
R112
R113
TRRIN
(Zin ≈ 12kΩ)
TRREF
(Zin ≈ 12kΩ)
FCSP
FCSRS
FCSN
TRRP
TRRRS
TRRN
FCS
RSFCS
R103
C111
R108
C113
TRR
RSTRR
R104
C112
R109
C114
Note: Other pins have the same connections as those used in application 1.
3. When used at a voltage other than 3.3 V with a voltage regulator (Vout = 3.3 to Vcc – 1 V)
Vcc (5V or 12V)
Vout
Q1
C115 Rr1
Rr2
R105
VREGF
3.3V VREGS
+
−
3.3V
Note: Other pins have the same connections as those used in application 1.
10