lnbh221 STMicroelectronics, lnbh221 Datasheet - Page 22

• Manufacturer Part Number: lnbh221
• Description: Dual Lnb Supply And Control Ic With Step-up Converter And I2c Interface
• Manufacturer: STMicroelectronics

Typical performance characteristics (of each section)
22/27
Figure 27. DC/DC Converter Efficiency vs
Figure 29. 22kHz Tone Waveform
V
Figure 31. DSQIN Tone Enable Transient
V
CC
CC
=12V, I
=12V, I
O
O
=50mA, EN=TEN=1
=50mA, EN=1, Tone enabled by DSQIN Pin
Temperature
Response
Figure 28. Current Limit Sense Voltage vs
Figure 30. DSQIN Tone Enable Transient
V
Figure 32. DSQIN Tone Disable Transient
V
CC
CC
=12V, I
=12V, I
O
O
=50mA, EN=1, Tone enabled by DSQIN Pin
=50mA, EN=1, Tone enabled by DSQIN Pin
Temperature
Response
Response
LNBH221