Product Information

LNBH25PQR

LNBH25PQR electronic component of STMicroelectronics

Datasheet
Power Management Specialised - PMIC LNB Supply Control 12V 22 KHz 4kV
Manufacturer: STMicroelectronics
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 3.5551 ea
Line Total: USD 3.56

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1

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0 - WHS 1


Ships to you between Fri. 17 May to Thu. 23 May

MOQ : 4000
Multiples : 4000

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LNBH25PQR
STMicroelectronics

4000 : USD 2.6077
8000 : USD 2.5845
12000 : USD 2.5614
20000 : USD 2.538
24000 : USD 2.5147
28000 : USD 2.4913
40000 : USD 2.4679
60000 : USD 2.4444
100000 : USD 2.4208

0 - WHS 2


Ships to you between Fri. 17 May to Thu. 23 May

MOQ : 1
Multiples : 1

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LNBH25PQR
STMicroelectronics

1 : USD 3.1979
10 : USD 2.6208
50 : USD 2.4161
100 : USD 2.2195
250 : USD 2.016
500 : USD 1.7561

0 - WHS 3


Ships to you between Fri. 17 May to Thu. 23 May

MOQ : 4000
Multiples : 4000

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LNBH25PQR
STMicroelectronics

4000 : USD 0.8766

0 - WHS 4


Ships to you between
Fri. 24 May to Wed. 29 May

MOQ : 1
Multiples : 1

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LNBH25PQR
STMicroelectronics

1 : USD 2.5719
10 : USD 2.2553
30 : USD 2.0671
100 : USD 1.7924
500 : USD 1.7044
1000 : USD 1.664

0 - WHS 5


Ships to you between Thu. 23 May to Mon. 27 May

MOQ : 1
Multiples : 1

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LNBH25PQR
STMicroelectronics

1 : USD 6.21
10 : USD 2.2356
25 : USD 2.1168
100 : USD 1.8036
250 : USD 1.6956
500 : USD 1.4796
1000 : USD 1.2744
4000 : USD 1.2636

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Additional Infomation About Product

LNBH25 LNB supply and control IC with step-up and IC interface Features Complete interface between LNB and IC bus Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93 % 0.5 A) Selectable output current limit by external resistor Compliant with main satellite receivers output voltage specification (15 programmable levels) QFN24 (4 x 4 mm) Accurate built-in 22 kHz tone generator suits widely accepted standards 22 kHz tone waveform integrity guaranteed also at no load condition Low-drop post regulator and high efficiency step-up PWM with integrated power N-MOS Description allowing low power losses Intended for analog and digital satellite LPM function (low power mode) to reduce receivers/Sat-TV and Sat-PC cards, the LNBH25 dissipation is a monolithic voltage regulator and interface IC, Overload and overtemperature internal assembled in QFN24 4x4 specifically designed to protections with IC diagnostic bits provide the 13/18 V power supply and the 22 kHz tone signalling to the LNB down-converter in the LNB short-circuit dynamic protection antenna dish or to the multi-switch box. In this +/- 4 kV ESD tolerant on output power pins application field, it offers a complete solution with extremely low component count and low power Applications dissipation together with a simple design and IC standard interfacing. STB satellite receivers TV satellite receivers PC card satellite receivers Table 1. Device summary Order code Package Packaging LNBH25PQR QFN24 (4 x 4) Tape and reel February 2012 Doc ID 022433 Rev 4 1/34 www.st.com 34Contents LNBH25 Contents 1 Block diagram 3 2 Application information 4 2.1 DiSEqC data encoding (DSQIN pin) . 4 2.2 Data encoding by external 22 kHz tone TTL signal 4 2.3 Data encoding by external DiSEqC envelope control through the DSQIN pin 5 2.4 LPM (low power mode) . 5 2.5 DiSEqC 2.0 implementation 6 2.6 Output current limit selection . 6 2.7 Output voltage selection . 6 2.8 Diagnostic and protection functions 6 2.9 Surge protections and TVS diodes . 7 2.10 FLT: fault flag . 7 2.11 VMON: output voltage diagnostic 7 2.12 TMON: 22 kHz tone diagnostic . 8 2.13 TDET: 22 kHz tone detection . 8 2.14 IMON: minimum output current diagnostic . 8 2.15 PDO: overcurrent detection on output pull-down stage . 8 2.16 Power-on IC interface reset and undervoltage lockout . 8 2.17 PNG: input voltage minimum detection . 8 2.18 ISW: inductor switching current limit . 9 2.19 COMP: boost capacitor ESR . 9 2.20 OLF: overcurrent and short-circuit protection and diagnostic . 9 2.21 OTF: thermal protection and diagnostic 10 3 Pin configuration . 11 4 Maximum ratings . 13 5 Typical application circuits 14 6 IC bus interface . 16 2/34 Doc ID 022433 Rev 4

HS Compliance

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:

Stmicroelectronics may also be referenced as

C-Max
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN

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