LNBH24LQTR STMicroelectronics, LNBH24LQTR Datasheet - Page 12

• Manufacturer Part Number: LNBH24LQTR
• Description: IC LNBS DUAL SUPPLY/CTRL 32-QFN
• Manufacturer: STMicroelectronics

Specifications of LNBH24LQTR

• Applications: Converter, Analog and Digital Satellite STB Receivers/SatTV
• Voltage - Input: 8 ~ 15 V
• Number Of Outputs: 2
• Voltage - Output: 13.3V, 18.2V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10615-2

Application circuits
Figure 5.
Table 6.
1. These components can be added to avoid any 22 kHz tone distortion due to heavy capacitive output loads. If not needed
12/25
C6, C8, C10, C11, C15, C14
they can be removed leaving the PDC pin floating.
R2, R9, R5
R7
Component
TR1
(1)
LNBH24L with PDC circuit for DiSEqC 1.X applications
Bill of material (valid for A and B sections unless for C1, C2, C7, C8 and C11)
Equation 2
Vin
Vin
Vin
Vin
12V
12V
12V
12V
C1
C3
D1
D2
D3
D4
D8
L1
, R8
(1)
(1)
(1)
C1
C1
C1
C1
TTL
TTL
TTL
Tone Enable control
Tone Enable control
Tone Enable control
L1
L1
L1
L1
D1
D1
D1
D1
D1
D1
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
(1)
1/16 W resistors. Refer to the typical application circuit for the relative values
1/2 W resistors. Refer to the typical application circuit for the relative values
25 V electrolytic capacitor, 100 µF or higher is suitable
25 V, 220 µF electrolytic capacitor, ESR in the 100 mΩ to 350 mΩ range
25 V ceramic capacitors. Refer to the typ. appl. circuit for the relative values
STPS130A or similar schottky diode with V
I
STPS130A, 1N5818 or similar schottky diode with VRRM>25V. To be placed as
close as possible to VoRX pin
1N4001-07 or any similar general purpose rectifier
BAT54, STPS130A, BAT43, 1N5818, or similar schottky diode with VRRM>20V.
To be placed as close as possible to EXTM pin
1N4148 or similar
BC817 or similar NPN general-purpose transistor
22 µH inductor with I
(see
F(AV)
C8
C8
C8
C8
C8
C8
C8
C8
220nF
220nF
220nF
220nF
220nF
220nF
220nF
220nF
Equation
> I
I
I
I
2
2
2
C Bus
C Bus
C Bus
C6
C6
C6
C6
C6
C6
2.2µF
2.2µF
2.2µF
OUT_MAX
{
{
{
Vup
Vup
Vup
Vup
LX
LX
LX
LX
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
SDA
SDA
SDA
SCL
SCL
SCL
ADDR
ADDR
ADDR
TTX
TTX
TTX
DSQIN
DSQIN
DSQIN
Vcc-L
Vcc-L
Vcc-L
Vcc-L
Vcc-L
Vcc-L
Doc ID 16857 Rev 2
2)
x (V
(sections A/B)
(sections A/B)
P-GND
P-GND
P-GND
P-GND
P-GND
P-GND
LNBH24L
LNBH24L
sat
UP_MAX
D3
D3
D3
D3
D3
D3
> I
A -GND
A -GND
A -GND
A -GND
A -GND
A -GND
peak
/ V
where I
EXTM
EXTM
EXTM
EXTM
VoRX
VoRX
VoRX
VoRX
VoTX
VoTX
VoTX
VoTX
PDC
PDC
PDC
PDC
ISEL
ISEL
ISEL
ISEL
ISEL
ISEL
Byp
Byp
Byp
Byp
Byp
Byp
Byp
Byp
IN_MIN
Notes
*R5
*R5
*R5
*R5
2.2K Ohm
2.2K Ohm
2.2K Ohm
2.2K Ohm
peak
)
C10
C10
C10
C10
C10
C10
220nF
220nF
220nF
220nF
220nF
220nF
2KOhm
2KOhm
C11
C11
C11
C11
C11
C11
C11
C11
C11
C11
220nF
220nF
220nF
220nF
220nF
220nF
220nF
220nF
220nF
220nF
R9
R9
R9
R9
R9
R9
C15
C15
C15
C15
47 nF
47 nF
47 nF
47 nF
D4
D4
D4
is the boost converter peak current:
RRM
3.3V
3.3V
3.3V
3.3V
R2 (RSEL)
R2 (RSEL)
R2 (RSEL)
R2 (RSEL)
R2 (RSEL)
R2 (RSEL)
R2 (RSEL)
R2 (RSEL)
15kOhm
15kOhm
15kOhm
15kOhm
15kOhm
15kOhm
15kOhm
15kOhm
D8
D8
1N4148
1N4148
D2
D2
D2
D2
D2
D2
> 25 V and I
*C14
*C14
*C14
*C14
1nF
1nF
1nF
1nF
(*)OPTIONAL components.
(*)OPTIONAL components.
(*)OPTIONAL components.
(*)OPTIONAL components.
(*)OPTIONAL components.
(*)OPTIONAL components.
To be used only in case
To be used only in case
To be used only in case
To be used only in case
To be used only in case
To be used only in case
of heavy capacitive load
of heavy capacitive load
of heavy capacitive load
of heavy capacitive load
of heavy capacitive load
of heavy capacitive load
to LNB
to LNB
to LNB
to LNB
500mA max
500mA max
500mA max
500mA max
*TR1
*TR1
*TR1
*TR1
*R8
*R8
*R8
*R8
150 Ohm
150 Ohm
150 Ohm
150 Ohm
*R7
*R7
*R7
*R7
22 Ohm
22 Ohm
22 Ohm
22 Ohm
F
(AV) higher than:
LNBH24L