Datasheet

Electrical characteristics LNBH23L
20/25 Doc ID 15335 Rev 4
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
EXTM
External modulation input
voltage
EXTM AC coupling
(1)
400 mV
PP
Z
EXTM
External modulation
impedance
2.0 kΩ
Eff
DC-DC
DC-DC converter efficiency I
OUT
=500mA 93 %
F
SW
DC-DC converter switching
frequency
220 kHz
V
IL
DSQIN,TTX, pin logic low 0.8 V
V
IH
DSQIN,TTX, pin logic high 2 V
I
IH
DSQIN,TTX, pin input current V
IH
=5V 15 µA
I
OBK
Output backward current EN=0, V
OBK
=21V -6 -15 mA
T
SHDN
Thermal shut-down threshold 150 °C
ΔT
SHDN
Thermal shut-down
hysteresis
15 °C
1. External signal maximum voltage for which the EXTM function is guaranteed.
Table 8. Electrical characteristics (continued)
Table 9. I²C electrical characteristics
(1)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
IL
LOW level input voltage SDA, SCL 0.8 V
V
IH
HIGH level input voltage SDA, SCL 2 V
I
I
Input current SDA, SCL, V
I
= 0.4 to 4.5V -10 10 µA
V
OL
Low level output voltage SDA (open drain), I
OL
= 6mA 0.6 V
f
MAX
Maximum clock frequency SCL 400 kHz
1. T
J
from 0 to 85 °C, V
I
= 12 V.
Table 10. Address pins characteristics
(1)
Symbol Parameter Test condition Min. Typ. Max. Unit
V
ADDR-1
"0001010(R/W)" Address pin
voltage range
R/W bit determines the transmission
mode: read (R/W=1) write (R/W=0)
00.8V
V
ADDR-2
"0001011(RW)" Address pin
voltage range
R/W bit determines the transmission
mode: read (R/W=1) write (R/W=0)
25V
V
ADDR-3
(2)
"0001000(RW)" Address pin
voltage range
R/W bit determines the transmission
mode: read (R/W=1) write (R/W=0)
05V
1. T
J
from 0 to 85 °C, V
I
= 12 V
2. This I²C address is reserved only for internal usage. Do not use this address with other I²C peripherals to avoid address
conflicts.