LNBH21 STMicroelectronics, LNBH21 Datasheet - Page 16

• Manufacturer Part Number: LNBH21
• Description: LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER ANC I2C INTERFACE
• Manufacturer: STMicroelectronics

Specifications of LNBH21

• Semi-lowdrop Post Regulator And High Efficiency Step-up Pwm For Low Power Loss: Typ. 0.56W @ 125mA

LNBH21
Figure 23 : Output Backward Current vs
Temperature
Figure 24 : DC/DC Converter Efficiency vs
Temperature
Figure 25 : Current Limit Sense Voltage vs
Temperature
16/20
Figure 26 : 22kHz Tone Waveform
V
Figure 27 : DSQIN Tone Enable Transient
Response
V
Figure 28 : DSQIN Tone Enable Transient
Response
V
CC
CC
CC
=12V, I
=12V, I
=12V, I
O
O
O
=50mA, EN=TEN=1
=50mA, EN=1, Tone enabled by DSQIN Pin
=50mA, EN=1, Tone enabled by DSQIN Pin