INN8186 Datasheet PDF - INNOTECH
| Part Number | INN8186 | |
| Description | Highly Integrated LNB Supply and Control Voltage Regulator | |
| Manufacturers | INNOTECH | |
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INNOTECH
INN8186
vodasat@gmail.com 13510327305
DS_V1p0_Revised_Nov_2012
Highly Integrated LNB Supply and Control Voltage Regulator
For details, check for samples:
INN8186
Features
Low noise output to avoid sensitivity of Can
Tuner and DISH’s LNA dropping down
Noise <+/-40mV@300MHz BWL
Noise <+/-20mV@20MHz BWL
Single chip power solution with 650mV Vpp
22KHz tone control signal transferred to output
LNB Voltages (2 levels: 14.3V and 19.3V)
compatible with common standards
External 22KHz tone input
Integrated DC DC boost converter and high
efficiency (typ. 93%) with integrated Power
Mosfet
Integrated low Noise Linear Regulator
Integrated power switches and current sensing
Internal overcurrent and over temperature
protection
Provides up to 450mA continuous load current
Output current limit of 500mA typical, with 48ms
timer
Push-pull output stage minimizes 14 19V and
19V 14V output transition times
Internal Short Protection
Meet DiSEqC1.x protocol
5.0V, 3.3V, 2.5V, 1.8V, 1.2 and 1.05V logic
compatible
1.0MHz Switch Frequency BOOST
Highly Integrated with fewer external
components
Applications
LNB Power supply and control for Satellite
Set-Top Box
- Digital STB
- Satellite TV cards
Descriptions
Intended for analog and digital satellite
receivers/sat-TV, sat-OC cards, the INN8186 is a
monolithic voltage regulator and interface IC,
packaged in SOP8EP, specifically designed to
provide the 14/19V power supply with high
efficiency and the 22kHz tone signaling to the LNB
down-converter in the antenna dish or to the
multi-switch box.
INN8186 consists of a boost converter and a
low-noise linear regulator along with the circuitry
required for tone injection and pin controllable
interface. The device makes the total LNB supply
design simple, efficient and compact with low
external component count
The external modulation input (TONE pin) can
accept a tome modulated DiSEqC command and
transfer it symmetrically to the output to meet
DiSEqC 1.x protocol.
Typical Application
Input
9.0V14V
C0
10µF/25V
Ceramic
C1
100nF
Ceramic
Logic
L1 10uH 2A
D0 Schottky SK24
C2
10nF
LX VSW VCP
VIN
ININNN88118960
VLNB
S18V
EN
TONE Ground
C4
22µF/25V
Ceramic
For DiSeqC 1.X
Co5
100nF
450mA
Out
19.3V
14.3V
Confidential
INNOTECH Proprietary Information. Unauthorized Photocopy and Duplication Prohibited
@2012, All Rights Reserved
1
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INNOTECH
PIN ARRANGEMENT
INN8186
VIN 1
VLNB 2
VSW 3
VCP 4
LNB 450mA
SOP8 EP
INN
8186
8 TONE
7 S18V
6 EN
5 LX
Pin 9 : Ground
Exposed Pad on Backside
Connect to G
PIN FUNCTIONS
PIN No.
INN8186
NAME SOP8EP
VIN 1
VLNB 2
VSW 3
VCP
4
LX 5
EN 6
S18V 7
TONE 8
Ground 9
(Exposed pad)
Description
Details
Power Supply input
Output voltage for the LNB
Boost converter output voltage sense, and internal LDO’s input terminal
Charge Pump for LDO supply
DC-DC converter switch node connection, connects to inductor
When this pin is low, the output is disabled. Setting EN = 1 enables the output voltage
Output voltage selection pins. High for 19.3V output; Low for 14.3V output
Externally modulated DiSEqC tone signal input, like 22KHz signal, which is transferred
symmetrically onto LNB pin.
Whole chip power ground
Confidential
INNOTECH Proprietary Information. Unauthorized Photocopy and Duplication Prohibited
@2012, All Rights Reserved
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for INN8186 electronic component. |
| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ INN8186.PDF Datasheet ] | |
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