LNBH23PPR STMicroelectronics, LNBH23PPR Datasheet - Page 2

IC LNB SUPPLY/CTRL POWERSSO-24

LNBH23PPR

Manufacturer Part Number
LNBH23PPR
Description
IC LNB SUPPLY/CTRL POWERSSO-24
Manufacturer
STMicroelectronics
Datasheet

Specifications of LNBH23PPR

Applications
Converter, Analog and Digital STB Receivers/SatTV
Voltage - Input
8 ~ 15 V
Number Of Outputs
1
Voltage - Output
13.4V, 18.5V
Operating Temperature
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
PowerSSO-24
Output Voltage
25 V
Output Current
1000 mA
Input Voltage
8 V to 15 V
Switching Frequency
220 KHz
Operating Temperature Range
- 25 C to + 125 C
Mounting Style
Through Hole
Duty Cycle (max)
57 %
For Use With
497-8717 - DEMO BOARD BASED ON LNBH23497-8336 - BOARD EVAL BASED ON LNBH23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-6121-2

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Part Number
Manufacturer
Quantity
Price
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Quantity:
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Contents
Contents
1
2
3
4
5
6
7
2/32
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
2.13
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
I²C bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.1
6.2
6.3
6.4
6.5
LNBH23 software description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.1
7.2
Minimum output current diagnostic - IMON . . . . . . . . . . . . . . . . . . . . . . . . 7
Output current limit selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Over-current and short circuit protection and diagnostic . . . . . . . . . . . . . . 8
Thermal protection and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
DiSEqC™ data encoding and decoding . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DiSEqC™ 2.0 implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DiSEqC™ 1.X implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Data encoding by external tone generator (EXTM) . . . . . . . . . . . . . . . . . . 6
I²C interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Output voltage selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Diagnostic and protection functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Output voltage diagnostic - VMON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
22 kHz tone diagnostic - TMON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Data validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Start and stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Byte format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Transmission without acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Interface protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
System register (SR, 1 byte) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Doc ID 13356 Rev 7
LNBH23

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