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INN8186 PDF 데이터시트 ( Data , Function )

부품번호 INN8186 기능
기능 Highly Integrated LNB Supply and Control Voltage Regulator
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INN8186 데이터시트, 핀배열, 회로
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 DISHs 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




INN8186 pdf, 반도체, 판매, 대치품
INNOTECH
Duty_TONE
TRISE_TONE
TFALL_TONE
VTONE(H)
VTONE(L)
IEMTMLKG
S18V
VS18V(H)
VS18V(L)
IS18V_LKG
ENABLE
VEN_CLAMP_1
VEN_CLAMP_2
IEN_PIN
VEN(H)
VEN(L)
Boost DC/DC
Freq_PWM
Max Duty_PMW
TON_MIN_PWM
ILIM_PWM
VLNB output Tone Duty
VLNB output Tone Rising Time
VLNB output Tone Rising Time
TONE High Logic Input
TONE Low Logic Input
TONE Pin Input Leakage
Current
ILOAD=0mA to 450mA,
CLOAD=570nF
ILOAD=0mA to 450mA,
CLOAD=570nF
ILOAD=0mA to 450mA,
CLOAD=570nF
Logic High Input
Logic Low Input
Pin Input Leakage Current
Input=1.2V
Internal Zener Diode Voltage
Internal Voltage Clamp
EN PIN Maximum Input
Current
EN Logic High Input
EN Logic Low Input
20µA< EN pin Sink Current <100µA
EN pin Sink Current < 5uA
Input =6.3V
Bost DC/DC Switching
Frequency
Boost Maximum Duty
Boost Minimum On time
Boost Current Limit
VEN=3.3V
5
5
0.95
-1
0.95
-10
0.95
0.8
0
INN8186
50 %
7.5 10 µs
7.5 10 µs
V
0.55 V
1 µA
V
0.55 V
10 µA
6.2 7.2 V
1.3 1.6 V
100 µA
V
0.55 V
1.0 1.2 MHz
93 %
ns
1.8 A
Confidential
INNOTECH Proprietary Information. Unauthorized Photocopy and Duplication Prohibited
@2012, All Rights Reserved
4

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INN8186 전자부품, 판매, 대치품
INNOTECH
2) Optional Application with Less Drop Voltage
INN8186
Input 9.0V14V
C0
100µF/25V
C1
100nF
Ceramic
ENABLE input
L1 10uH 2A
1 VIN
D0 SK24 40V
C3
100µF
35V
0.33µH
1A
C2
10nF
5 24
LX VSW VCP
ININNN88118960
VLNB 2
C4
1µF/50V
Ceramic
6 EN
S18V TONE
78
Ground
9, Exposed Pad
For DiSeqC 1.X
Ds1
Surge
protec
tSioKn14
40V
Co5 Co6
100nF 470nF
Vout
450mA
Ds2
Surge
protecti
SK1o4n
40V
Output Selection:
High for 19.3V
Low for 14.3V
22KHz Tone Input
Notes:
1) Exposed pad has to be connected to GA and GP ground shortly;
2) C4 should be very close to VSW pin and GP pin, which can reduce noise largely
3) C1 should be very close to VIN pin
4) Co5 should be very close to VLNB pin
Confidential
INNOTECH Proprietary Information. Unauthorized Photocopy and Duplication Prohibited
@2012, All Rights Reserved
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부품번호상세설명 및 기능제조사
INN8186

Highly Integrated LNB Supply and Control Voltage Regulator

INNOTECH
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