ADP3208C
TEST CIRCUITS
7-BIT CODE
5.0 V
48
1.05 V
1
EN
PWRGD
NC
CLKEN#
FB
FBRTN
1 kW
COMP
NC
NC
VARFREQ
VRTT
TTSNS
ADP3208C
BST1
DRVH1
SW1
PVCC1
DRVL1
PGND1
PGND2
DRVL2
PVCC2
SW2
DRVH2
BST2
80 kW
20 kW
100 nF
Figure 2. Closed−Loop Output Voltage Accuracy
5.0 V
37 VCC
ADP3208C
39 k W
1 kW
CSCOMP
17
100 nF
CSSUM
19
-
CSREF
18
+
1.0 V
24 GND
CSCOMP - 1.0 V
Vos =
40 V
Figure 3. Current Sense Amplifier, VOS
5.0 V
10 kW
ΔV
1.0 V
37 VCC
COMP
7
FB
6
LLINE
16
18 CSREF
ADP3208C
-
+
VID DAC
24 GND
DVFB = FBDV = V − FBDV=0mV
Figure 4. Positioning Accuracy
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3