MAX8520 MAXIM [Maxim Integrated Products], MAX8520 Datasheet - Page 3

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

ELECTRICAL CHARACTERISTICS (continued)
(V
T
Internal Oscillator Switching
Frequency
External Sync Frequency Range
LX_ Duty Cycle
OS1, OS2, CS Input Current
SHDN, FREQ Input Current
SHDN, FREQ Input Low Voltage
SHDN, FREQ Input High Voltage
MAXV Threshold Accuracy
MAXV, MAXI_ Input Bias Current
CTLI Gain
CTLI Input Resistance
Error-Amp Transconductance
V
A
DD
ITEC
= 0°C to +85°C, unless otherwise noted. Typical values at T
= PV
Accuracy
DD
PARAMETER
1 = PV
DD
_______________________________________________________________________________________
2 = SHDN = 5V, 1MHz mode (Note 3). PGND1 = PGND2 = GND, CTLI = MAXV = MAXIP = MAXIN = REF,
I
I
I
MAXV-BIAS
MAXI_-BIAS
SYMBOL
OS1
f
I
SW-INT
I
SHDN
A
R
FREQ
I
V
V
g
CTLI
CTLI
CS
, I
IH
IL
m
OS2
Smallest TEC Power Drivers for
,
,
,
MAX8521, FREQ= V
MAX8521, FREQ= 0, V
MAX8520, R
MAX8520, R
MAX8520, R
MAX8520, R
25% < duty cycle <75% (MAX8521 only)
(Note 5)
0 or V
0 or V
MAX8521 only
V
MAX8521 only
V
MAX8521 only
V
V
V
V
V
V
1MΩ terminated at REF
V
DD
DD
MAXV
DD
MAXV
DD
MAXV
CTLI
OS1
= 3V to 5.5V, FREQ applicable for the
= 3V to 5.5V, FREQ applicable for the
= 5V
= 3V
to V
DD
DD
= 0.5V to 2.5V (Note 6)
= V
= V
= V
, FREQ applicable for the
CS
A
REF
REF
MAXI_
= +25°C.)
EXT
EXT
EXT
EXT
= ±100mV, V
CONDITIONS
x 0.67, V
x 0.33, V
= 60kΩ, V
= 60kΩ, V
= 150kΩ, V
= 150kΩ, V
= 0.1V or 1.5V
DD
DD
, V
OS1
OS1
DD
OS1
= 3V to 5V
DD
DD
DD
DD
to V
to V
= 3V to 5V
= 5V
= 3V
= V
= 5V
= 3V
OS2
OS2
DD
= ±4V,
= ±2V,
/2
Optical Modules
V
0.76
0.36
-100
0.75
MIN
-0.1
0.8
0.4
0.8
0.4
0.7
DD
9.5
0.5
-10
50
-5
-2
-3
0
x
TYP
0.93
0.46
100
0.5
0.5
10
1
1
1
V
+100
MAX
+0.1
1.10
0.56
0.25
10.5
+10
100
160
1.2
0.6
1.2
0.6
1.2
DD
2.0
+5
+2
+3
x
UNITS
MHz
MHz
MΩ
V/V
µA
µA
µA
µS
%
%
%
%
V
V
3