My Inquiry
My Account
STMicroelectronics LNBP13SP
- Part No.:
- LNBP13SP
- Manufacturer:
- STMicroelectronics
- Category:
- Special Purpose Regulators
- Package:
- PowerSO-10 Exposed Bottom Pad
- Datasheet:
-
LNBP13SP.pdf
- Description:
- IC REG CONV RECVRS 1OUT 10PWRSO
- Quantity:
- Payment:
- Shipping:
Inventory:3,784
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LNBP13SP from STMicroelectronics is a monolithic linear voltage regulator in PowerSO-10 package, designed to supply and control LNB downconverters via coaxial cable in satellite receivers. It delivers 13 V (typ.) or 14 V (with LLC enabled) output at up to 650 mA, features factory-trimmed 22 kHz tone generation (±2 kHz tolerance), dual supply inputs (VCC1/VCC2) for optimized dissipation, and dynamic overload protection with 4.7 µF CEXT timing capacitor yielding ~1200 ms cycle time. Used in dual-port analog/digital satellite receivers requiring remote LNB bias and DiSEqC™-compatible tone modulation.
For engineers reviewing the LNBP13SP datasheet, LNBP13SP pinout, LNBP13SP application, or LNBP13SP equivalent, key selection criteria include output voltage selection logic (VSEL/LLC), stand-by current limit (≤3 mA backward current), 22 kHz tone enable timing (ENT pin response), and thermal shutdown threshold (150 °C).
Technical Context
The LNBP13SP implements a dual-input linear regulator architecture with automatic VCC1/VCC2 selection based on VSEL and LLC states: VCC1 (15–25 V) powers 13/14 V outputs, while VCC2 (22–25 V) powers 18/19 V outputs. Its internal bypass switch connects MI to LNBA when EN is low, enabling slave operation in single-dish dual-receiver systems.
Dynamic overcurrent protection uses an external capacitor (CEXT) to set off-time (toff ≈ 1100–1200 ms with 4.7 µF); OLF provides open-collector diagnostic flag with high-impedance idle state and active-low fault indication. The 22 kHz oscillator starts rapidly (<10 µs rise/fall) to support DiSEqC™ burst coding without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 13 V (typ.) or 14 V (with LLC = H); selectable via VSEL/LLC logic inputs for LNB bias compensation. |
| Max Output Current | 650 mA (typ.); internally limited to protect against sustained short-circuit loads. |
| Tone Frequency | 22 kHz (±2 kHz); factory-trimmed oscillator eliminates need for external tuning components. |
| Backward Current Limit | ≤3 mA (max); prevents reverse current flow from LNBA/LNBB to GND during stand-by (EN = L). |
| Thermal Shutdown | 150 °C (Tj); built-in junction temperature protection prevents thermal damage under overload. |
| Supply Input Range | VCC1: 15–25 V; VCC2: 22–25 V; auto-switched to minimize power dissipation per output voltage setting. |
| Overload Cycle Time | ~1200 ms total (toff + ton); with 4.7 µF CEXT, enables safe intermittent operation during fault conditions. |
Pinout & Package
LNBP13SP is housed in PowerSO-10 surface-mount package (9.4 × 14.4 mm, 1.27 mm pitch), optimized for thermal performance with RthJC = 2 °C/W and ECOPACK® lead-free construction.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| VCC1 | Primary supply input | 15–25 V source; selected automatically for 13/14 V output configurations to minimize dissipation. |
| VCC2 | Secondary supply input | 22–25 V source; selected automatically for 18/19 V outputs; may be tied to VCC1 if higher loss is acceptable. |
| LNBA | Main LNB output port | Delivers regulated 13/14/18/19 V to antenna LNB; routed from MI pin in stand-by mode (EN = L). |
| VSEL | Voltage selection control | Logic input: L = 13/14 V, H = 18/19 V; used with LLC to select nominal output level. |
| EN | Enable / stand-by control | Active-high logic input; when low, disables outputs and activates MI→LNBA bypass switch with ≤3 mA reverse current. |
| ENT | Tone enable input | Activates internal 22 kHz oscillator; fast edge response supports DiSEqC™ burst encoding without external circuitry. |
| CEXT | Overload timing capacitor | Connects to GND; sets dynamic protection off-time (e.g., 4.7 µF → ~1200 ms cycle). |
| OLF | Overload flag output | Open-collector diagnostic pin; goes LOW during overcurrent or thermal fault; high-impedance otherwise. |
| EXTM | External modulation input | AC-coupled analog input (400 mVPP max); allows custom LNB control signals beyond standard tone modulation. |
| GND | Power and signal reference | Internally connected to die frame; serves as common return for all supplies, outputs, and logic interfaces. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-supply auto-selection | Reduces thermal stress by routing VCC1 (15–25 V) for 13/14 V outputs and VCC2 (22–25 V) for 18/19 V outputs. |
| Factory-trimmed 22 kHz oscillator | Eliminates external RC network; ±2 kHz tolerance ensures DiSEqC™ compliance without calibration. |
| Dynamic overload protection | Uses external CEXT to define self-resetting fault cycle (e.g., 1200 ms), limiting average power during shorts. |
| Slave-mode bypass switch | Enables MI-to-LNBA connection in stand-by (EN = L), allowing shared coaxial line control by master receiver. |
| Line-length compensation | LLC = H adds +1 V (typ.) to selected output voltage, compensating coaxial voltage drop without redesign. |
Applications
| Dual-Port Satellite Receiver | Single-Dish Dual-Receiver System |
|---|---|
|
Use Scenario: Consumer-grade digital satellite receiver with two independent antenna inputs (JA/JB) feeding separate tuners. IC Role / Device Role / Timing Role: LNBP13SP supplies 13 V to each LNB, selects active port via OSEL, and modulates 22 kHz tone for DiSEqC™ channel switching. Use Value: Enables simultaneous reception from two orbital positions using one receiver chassis, with logic-controlled port isolation and tone-based LNB addressing. |
Use Scenario: Secondary satellite receiver sharing coaxial cabling with a primary "master" unit in apartment or multi-room installations. IC Role / Device Role / Timing Role: LNBP13SP operates in slave mode (EN = L), routing MI voltage to LNBA while disabling local regulation and tone generation. Use Value: Eliminates signal contention on shared coax; backward current limited to ≤3 mA prevents interference with master unit's LNB supply. |
| LNB Diagnostic-Enabled Receiver | Cost-Optimized Single-Port Receiver |
|
Use Scenario: Professional satellite installation tool or field-service receiver requiring real-time LNB fault detection. IC Role / Device Role / Timing Role: LNBP13SP monitors LNB current via CEXT timing and reports faults on OLF pin, which drives MCU interrupt or LED indicator. Use Value: Provides immediate visual/electrical confirmation of LNB short/open conditions without oscilloscope or multimeter. |
Use Scenario: Entry-level satellite set-top box with single antenna input and minimal BOM cost targets. IC Role / Device Role / Timing Role: LNBP13SP replaces discrete regulators and tone generators; uses only VCC1, VSEL, ENT, EN, and GND pins in basic configuration. Use Value: Reduces component count by >6 parts versus discrete solution while maintaining full 13 V/22 kHz functionality in PowerSO-10 footprint. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LNB supply and control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LNBP12SP-TR | Fixed 13 V output (no LLC pin); lacks line-length compensation capability. | Suitable only where coaxial drop is negligible or externally compensated. | Select when design requires simpler voltage control and lower pin count; not interchangeable if +1 V boost is needed. |
| LNBP14SP-TR | Supports 14 V output (LLC = H) but same 13 V base; identical pinout and protection features. | Used when LNB specification mandates exact 14 V nominal bias instead of 13 V. | Drop-in replacement if system requires 14 V baseline; shares same thermal and timing behavior as LNBP13SP. |
Compared with LNBP13SP, LNBP12SP omits line-length compensation entirely, while LNBP14SP retains it but shifts the base output to 14 V - both share identical thermal protection, DiSEqC™ timing, and slave-mode bypass functionality.
Availability
LNBP13SP is available at Aetrix Electronics and suitable for dual-port satellite receivers, single-dish multi-receiver systems, LNB diagnostic tools, and cost-sensitive set-top boxes requiring stable component supply across production lifecycles.
Supply support for LNBP13SP includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power management ICs, and analog/mixed-signal devices for industrial, automotive, and consumer markets.
LNBP13SP belongs to ST's LNBP1X series of LNB power controllers, developed specifically to integrate coaxial-fed satellite receiver power, control, and diagnostics into single monolithic regulators for compact, reliable front-end designs.
FAQ
What is the maximum allowable coaxial cable length supported by LNBP13SP's line-length compensation?
LNBP13SP does not specify a maximum cable length, but its LLC pin enables +1 V (typ.) output boost to offset voltage drop. With typical RG-6 coax (≈0.3 Ω/m), this compensates for up to ~3.3 m of 500 mA current drop. Actual usable length depends on cable gauge, LNB quiescent current, and acceptable minimum bias voltage (e.g., ≥11.5 V at LNB).
Can LNBP13SP drive two LNBs simultaneously?
No. LNBP13SP has only one regulated output (LNBA); LNBB is not present in PowerSO-10 variants like LNBP13SP. Dual-LNB support requires PowerSO-20 devices such as LNBP20. This part is intended for single-LNB systems or master/slave configurations where one receiver controls both LNBs via shared coax.
How does the dynamic overload protection behave during continuous short-circuit conditions?
When CEXT = 4.7 µF is used, LNBP13SP cycles between ~1100 ms off-time (toff) and ~73 ms on-time (ton = toff/15). During each ton, output resumes briefly to check for fault clearance. This limits average power dissipation and prevents thermal runaway while maintaining diagnostic visibility via OLF pin toggling.
Is external decoupling required on the EXTM pin when unused?
No. The datasheet explicitly states that EXTM can be left open when external modulation is not used. No pull-up, pull-down, or capacitor is required. However, if used, a DC-blocking capacitor (e.g., 100 nF) must be placed in series between the AC source and EXTM to prevent DC bias disruption of internal regulation.
LNBP13SP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- PowerSO-10 Exposed Bottom Pad
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- Converter, Analog and Digital Satellite Receivers
- Voltage - Input:
- 15V ~ 25V
- Number of Outputs:
- 1
- Voltage - Output:
- 13V, 18V
- Operating Temperature:
- 0°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-PowerSO
LNBP13SP FAQ
1.How can I place an order for LNBP13SP through Aetrix?
Please submit a Request for Quotation (RFQ) for LNBP13SP on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LNBP13SP reliable?
The price and inventory of LNBP13SP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LNBP13SP is usually 5 days.
3.What payment methods are accepted for LNBP13SP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LNBP13SP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LNBP13SP?
LNBP13SP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LNBP13SP order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LNBP13SP?
For technical support, including LNBP13SP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LNBP13SP requirements.
6.How does Aetrix verify that LNBP13SP is sourced from the original manufacturer or authorized distributors?
All LNBP13SP products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LNBP13SP meets industry standards.
7.What is the process for return or replacement of LNBP13SP?
All LNBP13SP units undergo pre-shipment inspection (PSI). If there is an issue with LNBP13SP, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LNBP13SP part is unused and in its original packaging.
Return procedure for LNBP13SP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LNBP13SP Tags
-
TPS51206DSQR
Texas Instruments
-
TPS51200DRCR
Texas Instruments
-
TPS51200DRCT
Texas Instruments
-
TPS62740DSSR
Texas Instruments
-
TPS51100DGQR
Texas Instruments
-
NCP51200MNTXG
onsemi
-
NCP51400MNTXG
onsemi
-
RT9026GSP
Richtek USA Inc.
-
LP2998MRX/NOPB
Texas Instruments
-
TPS51200QDRCRQ1
Texas Instruments
-
DPA423GN-TL
Power Integrations
-
LM10011SD/NOPB
Texas Instruments
Tech Hub
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
