LNBH2 STMicroelectronics, LNBH2 Datasheet - Page 10

• Manufacturer Part Number: LNBH2
• Description: LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE
• Manufacturer: STMicroelectronics

LNBH21
ELECTRICAL CHARACTERISTICS FOR LNBP SERIES (T
LLC=TEN=PCL=VSEL=0, V
section for I
10/20
Symbol
V
G
Z
D
V
Z
T
A
f
f
T
DETIN
I
TONE
I
t
DETIN
DETIN
V
SHDN
TONE
t
EXTM
EXTM
f
V
MAX
t
TONE
EXTM
V
OBK
V
V
I
OFF
I
V
SW
I
SHDN
ON
r
SC
OZ
V
V
, t
IH
I
OL
IN
IH
I
O
O
IL
O
O
f
Supply Voltage
Supply Current
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Output Current Limiting
Output Short Circuit Current
Dynamic Overload
protection OFF Time
Dynamic Overload
protection ON Time
Tone Frequency
Tone Amplitude
Tone Duty Cycle
Tone Rise and Fall Time
External Modulation Gain
External Input Voltage
External Modulation
Impedance
DC/DC Converter Switching
Frequency
Tone Detector Frequency
Capture Range
Tone Detector Input
Amplitude
Tone Detector Input
Impedance
DSQOUT Pin Logic LOW
DSQOUT Pin Leakage
Current
DSQIN Input Pin Logic
LOW
DSQIN Input Pin Logic
HIGH
DSQIN Pins Input Current
Output Backward Current
Temperature Shutdown
Threshold
Temperature Shutdown
Hysteresis
2
C access to the system register).
Parameter
IN
=12V, I
I
EN=TEN=VSEL=LLC=1, NO LOAD
EN=0
I
I
V
VSEL=0 or 1, I
ISEL = Floating or V > 3.3V
ISEL = GND
PCL=0
PCL=0
TEN=1
TEN=1
TEN=1
TEN=1
AC Coupling
f = 10Hz to 50KHz
0.4Vpp sinewave
f
Tone present
Tone absent
V
EN=0,
O
O
O
IN
V
IN1
IH
=22kHz sinewave
O
= 750 mA TEN=VSEL=LLC=1
= 750 mA VSEL=1
= 750 mA VSEL=0
OUT
= 5V
=50mA, unless otherwise specified. See software description
= 8 to 15V
/ V
EXTM
Test Conditions
Output Shorted
Output Shorted
V
O
,
OBK
= 50 to 750mA
= 18V
f = 10Hz to 50KHz
I
V
OL
OH
=2mA
= 6V
J
= 0 to 85°C, EN=1, TTX=0/1, DSQIN=LOW,
LLC=0
LLC=1
LLC=0
LLC=1
VSEL=0
VSEL=1
VSEL=0
VSEL=1
12.75
13.75
Min.
17.3
18.7
0.55
750
450
0.2
20
40
18
8
5
2
t
OFF
13.25
14.25
Typ.
19.5
0.72
300
200
900
260
220
150
150
3.5
0.3
20
18
22
50
15
15
-6
5
5
8
6
/10
13.75
14.75
Max.
1000
18.7
20.3
200
700
400
0.9
1.5
0.5
0.8
-15
15
40
40
60
24
60
15
24
10
7
mV
Unit
KHz
V
kHz
kHz
V
mA
mV
mV
mA
mA
mA
ms
ms
k
°C
°C
%
V
V
V
V
V
V
PP
PP
A
A
s
PP