Set-Top Box

The Set-Top box turns the compressed digital signal into a television content and is displayed on the television. Signals can come from cable(DVB-C). satellite(DVB-S). terrestrial (DVB-T) and broadband networks(OTT).
机顶盒将压缩的数字信号转换为电视内容,并显示在电视机上。 信号可以来自电缆(DVB-C)。 卫星(DVB-S)。 地面(DVB-T)和宽带网络(OTT)。

DC / DC Regulator / Step Down Regulator- HV

Part
Number
Function Vin
(V)
Iout
(A)
Fsw
(MHz)
VREF
(V)
HSFET
Ron(Ω)
LSFET
Ron(Ω)
Special
Function
Package Status Replace
STI3470 Sync.buck 3.7~18 2.0 0.6 0.6 0.15 0.07 OVP 19V SOT23-6 MP 8120B
STI3471 Sync.buck 3.7~18 3.0 0.6 0.6 0.08 0.04 COT SOT23-6/FC MP 8113
STI3472 Sync.buck 3.7~18 2.0 0.6 0.8 0.13 0.07 OVP 19V SOT23-6 MP 1470
STI3474 Sync.buck 3.7~18 3.0 0.6 0.8 0.07 0.035 OVP 19V SOT23-6/FC MP 1471
STI3475 Sync.buck 3.7~18 4.0 0.5 0.6 0.05 0.03 COT SOT23-6/FC Q3/17 8104/8105

DC / DC Regulator / Step Down Regulator- LV

Part
Number
Function Vin
(V)
Iout
(A)
Fsw
(MHz)
VREF
(V)
HSFET
Ron(Ω)
LSFET
Ron(Ω)
Special
Function
Package Status Replace
STI3408 Sync. buck 2.5~6.0 1.0 1.5 0.6 0.25 0.2 OVP 6.3V SOT23-5 MP 8088
STI3408B Sync. buck 2.5~6.0 1.2 1.5 0.6 0.25 0.15 OVP 6.5V SOT23-5 MP 8088
STI3410 Sync. buck 2.5~6.0 1.5 1.0 0.6 0.13 0.1 OVP 6.5V SOT23-5 MP 8087
STI3411A Sync. buck 2.5~6.0 2.0 1.0 0.6 0.17 0.08 OVP 6.5V SOT23-5 MP 8089
STI3411 Sync. buck 2.5~6.0 2.0 1.0 0.6 0.15 0.08 OVP 6.5V SOT23-6 MP 8009B
STI3413 Sync. buck 2.5~6.0 3.0 1.0 0.6 0.10 0.06 COT SOT23-5 Q3/17 /

5V Power Load Switch

Part
Number
Function Vin
(V)
Iout
(A)
Current
Limit
(A)
Reverse
Blocking
Current
Rds
(mΩ)
Package Status Replace
STI9712 Fast Response Load Switch 2.4~5.5 2A Max. ADJ YES 80 SOT23-5 MP 6280
STI9715 Fast Response Load Switch 2.4~5.5 1.5 / YES 80 SOT23-5 MP 6288
STI9716 Fast Response Load Switch 2.4~5.5 1.5 / YES 60 SOT23-5 MP 6101

LNB PMU-DVB- S / DVB- S2 / ABS

Part
Number
Function Vin
(V)
Vout
Max
Fsw
(MHz)
Iout
(Max)
Boost
Ron
Ripple Package Status Replace
STI8033 Boost 3~24V 30V 1.2 350mA 150mΩ 70mV SOT23-6 MP /
STI8035 Boost+liner Regulator 9~14V 14/19V 1.0 650mA 120mΩ 40mV ESOP-8 MP /
STI8036 Boost+liner Regulator 9~14V 14/19V 1.0 600mA 80mΩ 30mV ESOP-8 MP /

Audio Line Drivers

Part
Number
Vcc Inputs Vout Controls Package Status Replace
STI903 2.5~5.5V Differential, Single-Ended 3Vrms, 2Vrms Enable, UVP TSSOP-14 MP SGM8903
STI904 2.5~5.5V Single-Ended 3Vrms, 2Vrms Enable, UVP MSOP-10-EP MP SGM8904
STI905 2.5~5.5V Single-Ended 3Vrms, 2Vrms Enable MSOP-10 MP SGM8905

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