STLC3055N STMicroelectronics, STLC3055N Datasheet - Page 29

• Manufacturer Part Number: STLC3055N
• Manufacturer: STMicroelectronics

Specifications of STLC3055N

• Number Of Channels: 1
• On-hook Transmission: Yes
• Polarity Reversal: Yes
• On-chip Ring Relay Driver: No
• Longitudinal Balanced: 58
• Operating Supply Voltage (typ): 9V
• Operating Temp Range: -40C to 85C
• Package Type: TQFP
• Loop Current Limit: 40mA
• Operating Temperature Classification: Industrial
• Pin Count: 44
• Mounting: Surface Mount
• Operating Current: 55mA
• Operating Supply Voltage (max): 12V
• Operating Supply Voltage (min): 5.5V
• Lead Free Status / RoHS Status: Not Compliant

STLC3055N
7
Overvoltage protection
Figure 19. Simplified configuration for indoor overvoltage protection
Figure 20. Standard overvoltage protection configuration for K20 compliance
STLC3055N
VBAT
BGND
RING
STLC3055N
TIP
VBAT
BGND
RING
TIP
RP1
RP1
RP1
RP1
LCP1521
RP1 = 30ohm:
RP2 =Fuse or PTC > 18ohm
STPR120A
STPR120A
RP2
RP2
RP1 = 30ohm:
RP2 =Fuse or PTC > 18ohm
RP2
RP2
TIP
RING
Overvoltage protection
TIP
RING
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