MAX8521ETP Maxim Integrated Products, MAX8521ETP Datasheet - Page 7

• Manufacturer Part Number: MAX8521ETP
• Description: Other Power Management TEC Power Driver for Optical Modules
• Manufacturer: Maxim Integrated Products

Specifications of MAX8521ETP

• Output Voltage Range: - 4.3 V to + 4.3 V
• Output Current: 1.5 A
• Input Voltage Range: 3 V to 5.5 V
• Input Current: 14 mA
• Power Dissipation: 1.67 W
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFN-20
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

(V
DD
1200
1000
800
600
400
200
-1
-2
-3
-4
-5
0
5
4
3
2
1
0
= 5V, circuit of Figure 1, T
-40
SWITCHING FREQUENCY CHANGE vs. V
3.0
REF SOURCING 150µA
REFERENCE VOLTAGE CHANGE
-20
3.5
vs. TEMPERATURE
TEMPERATURE (°C)
0
4.0
_______________________________________________________________________________________
V
+20
DD
CTLI STEP RESPONSE
Smallest TEC Power Drivers for Optical
(V)
4.5
+40
FREQ = 1MHz
FREQ = 500kHz
1ms
A
+60
5.0
= +25°C unless otherwise noted.)
+80
DD
5.5
MAX8520/21 toc18
1100
1000
Typical Operating Characteristics (continued)
900
800
700
600
500
400
-10
-12
V
1V/div
1.5V
0A
I
1A/div
TEC
-2
-4
-6
-8
CTLI
0
60
0
SWITCHING FREQUENCY vs. R
REFERENCE VOLTAGE CHANGE
80
0.2
V
DD
vs. LOAD CURRENT
LOAD CURRENT (mA)
= 3.3V
100
0.4
R
EXT
V
(kΩ)
120
DD
0.6
= 5V
140
0.8
EXT
160
1.0
V
DD
STEP RESPONSE
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-1.4
0.6
0.4
0.2
10ms/div
0
3.0
STARTUP AND SHUTDOWN WAVEFORMS
REFERENCE VOLTAGE CHANGE vs. V
REF SOURCING 150µA
3.5
MAX8520/21 toc19
4.0
200µs/div
Modules
V
DD
(V)
V
2V/div
0V
1A
I
10mA/div
TEC
DD
4.5
MAX8520/21 toc17
5.0
DD
5.5
V
5V/div
0V
I
200mA/div
0mA
I
500mA/div
0mA
DD
TEC
SHDN
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