Datasheet

1 Block diagram
Figure 1. Block diagram
Lx
XSHUT
GND
MPP- SET
VOUT
I CTRL_PLUS
VCTRL
I CTRL_MI NUS
+
-
+
-
+
-
Iout Reg
MPP- SET
V
MPP-REF
Vin Reg
Vout Reg
MPP BLOCK
ANALOG BLOCK
Bur st Ref
CLOCK
CLOCK
BURST MODE
DAC CODE
DI GITAL
CORE
START SIGNAL
VREF
OVERCURRENT
OVERTEMPERATURE
REVERSE POLARITY
PWM
+
-
DRI VERS
CONTROL
ZERO- CROSSING
DETECTOR
V
MPP-REF
VREF
Figure 2.
Simplified application circuit
AM02612v1
Lx
XSHUT
GND
MPP- SET
VOUT
I CTRL_PLUS
VCTRL
I CTRL_MI NUS
R
S
V
PV
L
R
1
R
2
C
IN
C
OUT
V
BATT
R
F1
R
F2
C
F
In order to set up the application and simulate the related test results please go to www.st.com.
SPV1040
Block diagram
DS6991 - Rev 8
page 2/17