lnbh221 STMicroelectronics, lnbh221 Datasheet - Page 16

• Manufacturer Part Number: lnbh221
• Description: Dual Lnb Supply And Control Ic With Step-up Converter And I2c Interface
• Manufacturer: STMicroelectronics

Electrical characteristics
7
Table 4.
16/27
Symbol
∆V
∆V
G
D
V
A
Z
f
f
V
V
DETIN
I
TONE
t
TONE
EXTM
EXTM
f
V
MAX
t
TONE
t
EXTM
I
OFF
I
OUT
OUT
r
SW
ON
SC
IN
, t
OUT
OUT
IN
f
Electrical characteristics of each section (A and B)
(T
I
the system register)
Electrical characteristics
OUT
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 Modulation Input
Voltage
External Modulation Impedance f = 10Hz to 50KHz
DC/DC Converter Switch
Frequency
Tone Detector Frequency
Capture Range
J
= 0 to 85°C, EN=1, TTX=0/1, LLC=VSEL=TEN=PCL=0, DSQIN=LOW, V
=50mA, unless otherwise specified. See software description section for I
Parameter
I
TEN=VSEL=LLC=1
EN=TEN=VSEL=LLC=1, No
Load
EN=0
I
VSEL=1
I
VSEL=0
V
VSEL = 0 or 1 I
500mA
VSEL = 0
VSEL = 1
PCL=0Output Shorted
PCL=0Output Shorted
TEN=1
TEN=1
TEN=1
TEN=1
∆V
50KHz, TTX=1
AC Coupling, TTX=1
0.4Vpp sinewave
OUT
OUT
O
IN
= 500 mA
OUT
=8 to 15V
= 500 mA
= 500 mA
/∆V
EXTM
Parameter
, f = 10Hz to
OUT
LLC=0
LLC=1
LLC=0
LLC=1
VSEL=0
VSEL=1
= 50 to
12.75 13.25 13.75
13.75 14.25 14.75
Min.
17.3
18.7
0.55
500
20
40
18
8
5
t
OFF
Typ.
19.5
0.72
300
200
900
260
220
3.5
20
18
22
50
5
5
0
8
6
/1
IN
Max.
18.7
20.3
200
750
400
2
0.9
=12V,
15
40
40
60
24
60
15
24
C access to
7
LNBH221
mV
Unit
KHz
V
kHz
kHz
mA
mV
mV
mA
mA
ms
ms
µs
%
W
V
V
V
PP
PP