LNBH25 STMicroelectronics, LNBH25 Datasheet - Page 25

• Manufacturer Part Number: LNBH25
• Description: LNB supply and control IC with step-up and I2C interface
• Manufacturer: STMicroelectronics

LNBH25
Table 13.
1. In applications where (V
2. Guaranteed by design.
3. Frequency range in which the DETIN function is guaranteed. The V
TIME-OUT
V
Symbol
ΔT
F
V
Z
T
UVLO
I
OL_BPS
I
I
SINK_
F
I
DETIN
DETIN
DETIN
account in the application thermal management design.
capacitor. See typical application circuit for DiSEqC 2.x). I
V
V
SHDN
SINK
V
I
OBK
REV
V
I
SHDN
OZ
SW
W
IH
OL
LP
IH
IL
DC-DC converter switching
frequency
Undervoltage lockout
thresholds
Low power diagnostic (LPD)
thresholds
DSQIN, pin logic low
DSQIN, pin logic high
DSQIN, pin input current
Tone detector frequency
capture range
Tone detector input
amplitude
Tone detector input
impedance
BPSW pin low voltage
DSQOUT, FLT pins logic
LOW
DSQOUT, FLT pins leakage
current
Output backward current
Output low-side sink current
Low-side sink current time-
out
Max. reverse current
Thermal shut-down
threshold
Thermal shut-down
hysteresis
Electrical characteristics (continued)
Parameter
(3)
CC
(3)
-V
OUT
) > 1.3 V the increased power dissipation inside the integrated LDO must be taken into
UVLO Threshold Rising
UVLO Threshold Falling
V
V
V
0.4V
Sine wave signal, 22 kHz
I
EXTM=0, TEN=1
DETIN Tone present, I
DETIN Tone absent, V
All VSELx=0, V
V
V
PDO I²C bit is set to 1 after this time
is elapsed
V
after PDO bit is set to 1
(I
OL_BPSW
OUT
OUT
OUT
SINK_TIME-OUT
LP
LP
IH
= 5 V
Threshold Rising
Threshold Falling
PP
Doc ID 022433 Rev 4
forced at V
forced at V
forced at V
sine wave
= 5 mA, DSQIN = high,
Test conditions
OUT
OBK
elapsed)
from 0 to 750 mA, C
OUT_NOM
OUT_NOM
OUT_NOM
= 30 V
PP
OL
OH
level is intended on the LNB bus (before the C6
= 2 mA
= 6 V
+ 0.1 V
+ 0.1 V
+ 0.1 V
BUS
from 0 to 750 nF.
Min.
0.3
19
2
Electrical characteristics
Typ.
440
150
150
4.8
4.7
7.2
6.7
0.7
0.3
15
22
70
10
15
-3
2
Max.
0.8
1.5
0.5
25
10
-6
Unit
kHz
kHz
V
25/34
mA
mA
mA
kΩ
ms
µA
µA
°C
°C
V
V
V
V
V
V
PP