Versus battery voltage v, At startup figure 3-6. output voltage pv, At different output currents – Rainbow Electronics ATA6626 User Manual
Page 9
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9
4970A–AUTO–01/07
ATA6621/22/24 Development Board
show some typical operating characteristics measured at
the ATA6621. The supply voltage V
S
is approximately a diode forward voltage lower than V
bat
(reverse battery protection). The external circuitry is shown in
Figure 3-5.
Output Voltage PV
CC
versus Battery Voltage V
bat
at Startup
Figure 3-6.
Output Voltage PV
CC
versus Battery Voltage V
bat
at Different Output Currents
0
1
2
3
4
5
6
0
2
4
6
8
10
12
V
bat
(V)
PV
CC
(V)
ATA6621 with External Boosttransistor MJD31C
I
OUT
= 0
I
OUT
= 20 mA
V
bat
(V)
PV
CC
(V)
ATA6621 with External Boosttransistor MJD31C
4.9 9 0
4.9 9 5
5.0 0 0
5.0 0 5
5.0 10
5.0 15
5.0 2 0
0
10
2 0
3 0
4 0
50
I
OUT
= 0
I
OUT
= 20 mA
I
OUT
= 100 mA
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