IC Data Sheets
8.
8.
IC Data Sheets
This chapter shows the internal block diagrams and pin
configurations of ICs that are drawn as “black boxes” in the
electrical diagrams (with the exception of “memory” and “logic”
ICs).
8.1
Diagram
, B02,MP8126DF-LF-Z (IC U751)
Figure 8-1 Internal block diagram
19610_300.eps
Block diagram
MP8126 – LNB
Vref
Boost
Driver
22kHz
Shaper
13V / 18V
Switch
8~14V Vin
BYPASS
13V/18V
POK
VBOOST
COMP
BST
+1V Offset
Internal
Regulator
Charge
Pump
TCAP
EXTM
VDD
SGND
PGND
SW
POK
LINEDROP
13V/18V
VOUT
ILIMIT
EN
Current
Limit