Diodes AZ34063U - Manual (Page 7)

1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER AZ34063U
7
Jan. 2013 Rev. 1. 3 BCD Semiconductor Manufacturing Limited
Data Sheet
Figure 8. Emitter Follower Configuration Output Figure 9. Common Emitter Configuration Output Switch
Saturation Voltage vs. Emitter current Saturation Voltage vs. Collector Current
Figure 10. Current Limit Sense Voltage vs. Temperature
Typical Performance Characteristics (Continued)
-0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
1.2
1.3
1.4
1.5
1.6
V
CC
=5.0V
V
PIN1,7,8
=V
CC
V
PIN3,5
=GND
T
A
=25 O C
Saturat
ion Voltage
(V
)
Emitter Current (A)
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
Darlington Connection
Forced β =20
V
CC
=5.0V
V
PIN7
=V
CC
V
PIN2,3,5
=GND
T
A
=25 O C
Sat
uration Volt
a
ge
(V)
Collector Current (A)
-60 -40 -20 0 20 40 60 80 100 120 140
240
250
260
270
280
290
300
Temperature ( O C)
Current Li
m
it Sense
V
o
lta
ge (mV
)
-40 0 40 80 120 160
1.224
1.232
1.240
1.248
1.256
F
eedb
ac
k V
o
ltag
e
(V)
Temperature ( O C)
Figure 11. Feedback Voltage vs. Temperature
( V
CC
=5.0V, T
A
=25 o C, unless otherwise specified.)