Datasheet


SLOS390A – NOVEMBER 2001– REVISED MAY 2002
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8
TYPICAL CHARACTERISTICS
Figure 10
0
0.5
1
1.5
2
2.5
3
3.5
012345
T
J
= 100°C
T
J
= 85°C
T
J
= 125°C
V
DD
= 5 V
T
A
= 25°C
VFP Package
– Maximum Output Current – A
MAXIMUM OUTPUT CURRENT
vs
OUTPUT VOLTAGE
I
O
V
O
– Output Voltage – V
Figure 11
0
0.5
1
1.5
2
2.5
3
3.5
–40 –30 –20 –100 10 203040506070 80
MAXIMUM OUTPUT CURRENT
vs
AMBIENT TEMPERATURE
– Maximum Output Current – A
I
O
T
A
– Ambient Temperature – °C
T
J
≤ 125°C
VFP Package
APPLICATION INFORMATION
1 µF
AVDD
AGND (Connect to PowerPAD)
FAULT1
FAULT0
IN+
IN–IN–
PVDD PVDD PVDD PVDD OUT– OUT– OUT– OUT–
OUT–
PGND
PGND
PGND
PGND
PGND
PGND
OUT+
OUT+ OUT+ OUT+ OUT+
PVDD PVDD
PVDD
PVDD
Shutdown Control
10 µF
VDD
10 µH
10 µF
10 µH
10 µF
1 µF
To TEC or Laser
Diode Anode
To TEC or Laser
Diode Cathode
1 µF
HI-Z
To HI-Z Control
To Fault Monitor
PWM Input 1
PWM Input 2
SHUTDOWN
Figure 12. Typical Application Circuit