mc33680ftb ON Semiconductor, mc33680ftb Datasheet - Page 6

• Manufacturer Part Number: mc33680ftb
• Description: Dual Dc-dc Regulator For Electronic Organizer
• Manufacturer: ON Semiconductor

DYNAMIC ELECTRICAL CHARACTERISTICS
Minimum PORB to Control delay
90%
85%
80%
75%
70%
80%
75%
70%
65%
60%
55%
50%
0
1
Current (VMAIN = 3.3 V, L = 33 uH, Various V
Current (VAUX = 25 V, L2 = 33 uH, Various V
Figure 4. Efficiency of VMAIN versus Output
Figure 6. Efficiency of VAUX versus Output
10
3
20
I
OUT_MAIN
I
OUT_AUX
5
30
V
V
V
V
, MAIN OUTPUT CURRENT (mA)
, AUX OUTPUT CURRENT (mA)
in
in
in
in
Rating
= 3V
= 1.8V
= 1.5V
= 1V
40
7
50
9
60
70
11
V
V
V
V
in
in
in
in
= 3V
= 1.8V
= 1.5V
= 1V
80
(Refer to TIMING DIAGRAMS, T
13
http://onsemi.com
90
IN
IN
)
100
)
15
6
Symbol
80%
75%
70%
65%
60%
55%
50%
90%
85%
80%
75%
70%
t
PORC
Voltage (VMAIN = 3.3 V, L1 = 33 uH, Various I
1
1
Voltage (VAUX = 25 V, L2 = 33 uH, Various I
Figure 5. Efficiency of VMAIN versus Input
Figure 7. Efficiency of VAUX versus Input
A
= 0 to 70°C unless otherwise noted.)
1.5
1.5
Min
V
V
IN
IN
, INPUT VOLTAGE (V)
, INPUT VOLTAGE (V)
Typ
2
2
Max
500
2.5
2.5
I
I
I
I
out
out
out
out
I
I
I
out
out
out
= 1mA
= 5mA
= 10mA
= 15mA
= 10mA
= 60mA
= 100mA
OUT
Unit
nS
OUT
)
3
3
)