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LNBH221PD

Description
IC lnb supp&ctrl dual 36-pwrsoic
CategoryPower/power management    The power supply circuit   
File Size572KB,27 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Environmental Compliance
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LNBH221PD Overview

IC lnb supp&ctrl dual 36-pwrsoic

LNBH221PD Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSTMicroelectronics
Parts packaging codeSOIC
package instructionPOWER, SO-36
Contacts36
Reach Compliance Codenot_compliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesDUAL SWITCHING CONTROLLER
Maximum input voltage15 V
Minimum input voltage8 V
Nominal input voltage12 V
JESD-30 codeR-PDSO-G36
JESD-609 codee3
length15.9 mm
Number of functions1
Number of terminals36
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Maximum output current0.75 A
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Encapsulate equivalent codeSSOP36,.56
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
power supply12 V
Certification statusNot Qualified
Maximum seat height3.6 mm
Maximum supply current (Isup)40 mA
Nominal supply voltage (Vsup)12 V
surface mountYES
Switch configurationSINGLE
technologyBIPOLAR
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
width11 mm
Base Number Matches1
LNBH221
Dual LNB supply and control IC with
step-up converter and I²C interface
Features
All the features are the same for both section
Complete and independent interface between
LNBS and relevant I²C bus
Built-in DC-DC controller for single 12 V supply
operation and high efficiency (typ. 93 % @ 500
mA)
LNB output current guaranteed up to 500 mA
Both compliant with EUTELSAT and direct
output voltage specification accurate built-in 22
kHz tone oscillator suits widely accepted
standards
Fast oscillator start-up facilitates DiSEqC™
encoding
Built-in 22 kHz tone detector supports bi-
directional DiSEqC™ 2.0
Semi low-drop post regulator and high
efficiency step-up PWM for low power loss:
Typ. 0.56 W @ 125 mA
PowerSO-36
Two output pins suitable to by-pass the output
R-L filter and avoid any tone distortion (R-L
filter as per DiSEqC 2.0 specs, see
Figure 4 on
page 8)
Overload and over-temperature internal
protections
Overload and over-temperature I²C diagnostic
bits
LNB short circuit SOA protection with I²C
diagnostic bit
+/- 4 kV ESD tolerant on input/output power
pins
bs
O
et
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ro
P
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uc
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-O
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assembled in PowerSO-36, specifically designed
to provide the power 13/18 V, and the 22 kHz tone
signalling for two independent LNB down
converters or to a multiswitch box that could be
independently powered and set. In this
application field, it offers a complete solution with
extremely low component count, low power
dissipation together with simple design and I²C
standard interfacing.
so
b
P
te
le
c
du
ro
s)
t(
Description
Intended for analog and digital dual satellite STB
receivers/sat-TV, sets/PC cards, the LNBH221 is
a voltage regulator and interface IC,
April 2009
Doc ID 9913 Rev 6
1/27
www.st.com
27
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