Datasheet

 
 
SLVS485 − AUGUST 2003
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9
Figure 14
0
5
10
15
20
25
30
35
40
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5
− Operating Quiescent Current − Aµ
Q
I
TPS642000
OPERATING QUIESCENT CURRENT
vs
INPUT VOLTAGE
V
I
− Input Voltage − V
T
A
= 85°CT
A
= 25°C
T
A
= −40°C
TPS64200
OUTPUT VOLTAGE RIPPLE
V
I
= 3.8 V,
V
O
= 1.2 V,
R
L
= 1.2 Ω,
T
A
= 25°C
V
O
I
(coil)
I
O
= 1000 mA
Figure 15
200 mA/Div
2 ms/Div
20 mV/Div
Figure 16
V
O
V
I
V
I
= 3.8 V to 5 V,
V
O
= 1.2 V,
R
L
= 1.2 Ω,
T
A
= 25°C
TPS64200
LINE TRANSIENT RESPONSE
20 mV/Div
40 ms/Div
1 V/Div
Figure 17
V
O
I
O
V
I
= 5 V,
V
O
= 3.3 V,
I
L
= 200 mA to 1800 mA,
T
A
= 25°C
TPS64203
LOAD TRANSIENT RESPONSE
50 mV/Div
50 ms/Div
1 A/Div