DS1875T+ Maxim Integrated Products, DS1875T+ Datasheet - Page 28

• Manufacturer Part Number: DS1875T+
• Description: IC SFP CTRLR/TRIPLEXER 38-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of DS1875T+

• Applications: Fiber Optics
• Interface: I²C
• Voltage - Supply: 2.85 V ~ 3.9 V
• Package / Case: *
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PON Triplexer and SFP Controller
Figure 12. PWM Controller Typical APD Bias Circuit
Figure 13. PWM Controller Voltage Output Configuration
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DS1875
COMP
DS1875
SW
FB
COMP
MON3
SW
D2
FB
V
APD OVERLOAD QUICK TRIP
IN
R
COMP
VOLTAGE OUTPUT
C1
C
COMP
L1
Q1
D1
Figure 14. PWM Controller Current-Sink Output Configuration
C2
R1
C3
DS1875
R2
R3
COMP
V
OUT
SW
FB
APD
MAX4007
R4
C4
3.3V
ROSA
TIA
CURRENT SINK
RMON