Datasheet

Block diagram LNBH23L
4/25 Doc ID 15335 Rev 4
1 Block diagram
Figure 1. Block diagram
SDA SCL
LNBH23L
ADDR
I²C OLF and OTF
Diagnostics
DSQIN
Vup
VoRX
VoTX
LX
22kHz
Oscill.
PWM
Controller
Rsense
EN
VSEL
Linear Post-reg
+Protections
+Diagnostics
TTX
EN
VSEL
VOUT Control
EXTM
Preregulator
+U.V.lockout
+P.ON reset
BypV
CC
V
CC-L
ISEL TTX
TEN
TTX
Vup
..
A-GND
+
FB
PDC
Pull Down
Controller
Vup
.
P-GND
+
I²C interface
..
+
SDA SCL
LNBH23L
ADDR
I²C OLF and OTF
Diagnostics
DSQIN
Vup
VoRX
VoTX
LX
22kHz
Oscill.
PWM
Controller
Rsense
EN
VSEL
Linear Post-reg
+Protections
+Diagnostics
TTX
EN
VSEL
VOUT Control
EXTM
Preregulator
+U.V.lockout
+P.ON reset
BypV
CC
V
CC-L
ISEL TTX
TEN
TTX
Vup
..
A-GND
+
FB
PDC
Pull Down
Controller
Vup
.
P-GND
+
I²C interface
..
+