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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 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
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@2012, All Rights Reserved
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INNOTECH
ORDERING INFORMATION
TA PACKAGE
ORDERING PART
NUMBER
PIN
-20to 85
SOP8EP
INN8186
SCCTM
9
INN8186
TRANSPORT
MEDIA,
QUANTITY
Tape and Reel
2500
ECO PLAN
Green
(RoHS & no Sb/Br)
ABOSOLUTE MAXIMUM RATINGS
Over operating free-air temperature range (unless otherwise noted)
ITEMS
NAME
VALUE
VIN, VSW
-0.3 to 27
VCP
-0.3 to 30
Voltage Range
LX (10ns transient)
VLNB (10ns transient)
-2 to 40
-2 to 27
S18V
-0.3 to 5.5
EN -0.3 to 8
TJ
Operation Junction
-40 to +150
Tstg
Storage temperature
-55 to +150
UNIT
V
V
V
V
V
V
DISSIPATION RATINGS
(2oz. trace and copper pad)
PACKAGE
SOP8EP
θJA
60
θJC UNIT
40 /W
RECOMMENDED OPERATING CONDITIONS
Over operating free-air temperature range(unless otherwise noted)
MIN
Voltage
Supply input voltage range, VIN
9
LX -0.1
VSW, VLNB
-0.1
S18V
-0.1
EN -0.1
Ground (Exposed Pad)
-0.1
TA
Operating free-air temperature
-20
TJ
Operating junction temperature
-40
MAX
14
30
23
5
7.0
+0.1
85
125
UNIT
V
V
V
V
V
V
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@2012, All Rights Reserved
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INNOTECH
INN8186
ELECTRICAL CHARACTERISTICS
Over operating free-air temperature range(unless otherwise noted)
VIN=12V, TA =25
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
Supply Current
VIN Operating supply voltage
range
9.0 12.0 14.0 V
VUVLO
Input Under Voltage Lockout VIN Rising
Threshold
5.5 6.5 7.5 V
VUVLO_Hys
IVIN
Input Under Voltage Lockout
Threshold Hysteresis
Operating supply current
VIN current, TA=25 , EN=3.3V,
VLNB=19V, TONE=0V
VIN current, TA=25 , EN=3.3V,
VLNB=19V, 22KHz Tone Input
0.1 V
5 9.0 mA
20 30.0 mA
ISDN
Disable Supply Current
VEN=0V
2 3.5 mA
Output Voltage
VEN=1, S18V=0
13.9 14.3 14.7 V
VOUT
Output Voltage
VEN=1, S18V=1
18.8 19.3 20.2 V
Line
Regulation
Load
Regulation
Drop Voltage
Vripple
VIN Line Regulation
VLNB output load regulation
Linear Regulator Drop Voltage
Ripple and noise on VLNB
output
ILIMIT
Output Current limit
Short and Overload Protection
TON_OVERLOAD Dynamic Overload ON time
TOFF_OVERLOAD Dynamic Overload OFF time
TSDN
Thermal Shutdown Threshold
TSDN_HYS
Thermal Shutdown Hysteresis
Tone
FTONE
Input Tone Frequency Range
VPP_TONE
VLNB Output Tone Amplitude,
peak to peak
VIN=9V to 14V, VLNB=18.3V
ILOAD=0mA to 450mA, Vout=18.3V
Slow rate 255mA/us, Cout=0.2µF
VEN=3.0V, ILOAD=450mA
20MHz BWL close to LNB chip
300MHz BWL through 100cm
co-axial cable.
VLNB=14.3V
VLNB output short
VLNB=19.3V
Output shorted to GND
Output shorted to GND
ILOAD=50mA to 450mA,
CLOAD=200nF
20
620
4 40 mV
120 mV
1.2
+/-20
+/-40
V
mV
mV
500 550 mA
125 200 mA
500 550 mA
45
1800
160
25
ms
ms
22 KHz
650 680 mV
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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
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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
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@2012, All Rights Reserved
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