Rev. 1.0, 02/00, page 559 of 1141
3. CTL Input Circuit
The CTL input pin has an amplifier. Figure 26.4 shows the input circuit of CTL.
-
+
+
-
CTLFB
CTLSMT(i)
CTLFB
CTLREF
CTLBias
CTLGR0
CTLGR3 to 1
AMPSHORT
(REC-CTL)
PB-CTL(+)
Note: Be sure to connect a capacitor between CTLAmp (o) and CTLSMT (i)
Note
PB-CTL(-)
AMPON
(PB-CTL)
- +
CTLAmp(o)
CTL(+)
CTL(
-
)
Figure 26.4 CTL Input Circuit