Datasheet

TPS60120, TPS60121, TPS60122, TPS60123, TPS60124, TPS60125
REGULATED 200-mA HIGH EFFICIENCY CHARGE PUMP
DC/DC CONVERTERS
SLVS257B – NOVEMBER 1999 – REVISED AUGUST 2000
15
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 22
0
10
20
30
40
50
60
70
80
90
100
1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
V
I
– Input Voltage – V
OUTPUT VOLTAGE RIPPLE AMPLITUDE
vs
INPUT VOLTAGE
I
O
= 100 mA
I
O
= 10 mA
I
O
= 1 mA
V
O
– Output Voltage Ripple – V
pp
– mV
295
300
305
310
315
320
1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
Figure 23
V
I
– Input Voltage – V
OSCILLATOR FREQUENCY
vs
INPUT VOLTAGE
T = –40°C
T = 85 °C
T = 25°C
f – Frequency – kHz
t – Time – ms
TPS60120
LOAD TRANSIENT RESPONSE
V
I
= 2.4 V
020
0
200
3.38
3.40
3.36
3.34
21816141210 46 8
Figure 24
I
O
V
O
– Output Voltage – V
– Output Current – mA
010198765 23 4
t – Time – ms
TPS60120
LINE TRANSIENT RESPONSE
2.7
3.35
3.36
3.34
3.33
2.2
Figure 25
V
I
V
O
– Output Voltage – V
– Input Voltage – V
I
O
= 50 mA