MAX8520 MAXIM [Maxim Integrated Products], MAX8520 Datasheet - Page 17

• Manufacturer Part Number: MAX8520
• Description: Smallest TEC Power Drivers for Optical Modules
• Manufacturer: MAXIM [Maxim Integrated Products]

______________________________________________________________________________________
CTLI
COMP
GND
FREQ
(MAX8520)
REF
MAXV
MAXIP
MAXIN
ITEC
REF
MAX V
V
OR V
MAX I
(V
(0.15V/R
MAX I
(V
(0.15V/R
MAXV
MAXIP
MAXIN
MAX8520/
MAX8521
DD
TEC
TEC
Smallest TEC Power Drivers for
TEC
× 4
/V
/V
SENSE
SENSE
OFF
=
REF
=
REF
=
ON
) ×
) ×
)
)
SHDN
CS
OS1
REF
PWM CONTROL
GATE CONTROL
AND
FREQ (MAX8521)
PGND1
PGND2
PV
PV
Optical Modules
OS1
OS2
V
DD
DD
LX2
LX1
CS
DD
2
1
Functional Diagram
V
DD
3V TO
5.5V
R
SENSE
17