Datasheet

TPS60240, TPS60241
TPS60242, TPS60243
SLVS372B – JUNE 2001 – REVISED JANUARY 2002
13
www.ti.com
TYPICAL CHARACTERISTICS
Figure 25
0
10
20
30
40
50
60
1.5 2 2.5 3 3.5 4 4.5 5 5.5
– Maximum Output Current – mA
TPS60243
MAXIMUM OUTPUT CURRENT
vs
INPUT VOLTAGE
I
O(max)
V
I
– Input Voltage – V
T
A
= 85°C
T
A
= 25°C
T
A
= –40°C
Figure 26
V
I
= 3.3 V
T
A
= 25°C
25 µs/div Output Voltage = 5 mV/div
Load Current = 0 mA – 10 mA @ 5 mA/div
LOAD TRANSIENT RESPONSE
Figure 27
LINE TRANSIENT RESPONSE
R
L
= 500 Ω
V
I
= 3.3 V
I
O
= 10 mA
T
A
= 25°C
Output Voltage = 10 mV/div
Input Voltage = 3 V – 4 V
– 3 V @ 0.5 V/div
C
I
= C
O
= C1 = C2 = 1 µF
100 µs/div
Figure 28
R
L
= 500 Ω
V
I
= 3.3 V
T
A
= 25°C
START-UP TIMING
Enable = 0 V – 2 V @ 2 V/div
Output Voltage = 2 V/div
250 µs/div