Datasheet

TPS60240, TPS60241
TPS60242, TPS60243
SLVS372B – JUNE 2001 – REVISED JANUARY 2002
5
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recommended operating conditions
MIN NOM MAX UNIT
V
Input voltage range
TPS60240, TPS60242, TPS60243 1.8 5.5
V
V
I
Input voltage range
TPS60241
2.7 5.5
V
I
O
Output current range All devices 25 mA
C
I
Input capacitor 1 µF
C
1
, C
2
Flying capacitors 1 µF
C
O
Output capacitor 1 µF
T
A
Operating temperature range –40 85 °C
electrical characteristics for TPS6024X at T
A
= 25°C, C
I
= C
O
=1 µF, C
1
= C
2
= 1 µF (unless otherwise
noted), limits apply over the specified temperature range, –40°C to 85°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
TPS60240 Assured start-up I
O
≤ 5 mA, R
L
= 600 Ω 1.8 5.5
V
Input voltage
TPS60241 Assured start-up I
O
≤ 12 mA, R
L
= 417 Ω 2.7 5.5
V
V
I
Input voltage
TPS60242 Assured start-up
I
O
≤ 12 mA, R
L
= 225 Ω 1.8 5.5
V
TPS60243 Assured start-up I
O
≤ 10 mA, R
L
= 300 Ω 1.8 5.5
TPS60240
1.8 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O
≤ 5 mA
3 2175
33
3 3825
TPS60240
2.4 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O
≤ 25 mA
3.2175 3.3 3.3825
TPS60241
2.7 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O
≤ 12 mA
4 875
5
5 125
V
Output voltage
TPS60241
3 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O
≤ 25 mA
4.875 5 5.125
V
V
O
Output voltage
TPS60242
1.8 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O
≤ 12 mA
2 6325
27
2 7675
V
TPS60242
2.3 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O
≤ 25 mA
2.6325 2.7 2.7675
TPS60243
1.8 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O
≤ 10 mA
2 925
3
3 075
TPS60243
2.3 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O
≤ 25 mA
2.925 3 3.075
TPS60240/2/3
Nominal 2 V ≤ V
I
≤ 5.5 V 12
I
Output current
TPS60240/2/3
Short circuit V
I
= 2 V 80
mA
I
O
Output current
TPS60241
Nominal 2.7 V ≤ V
I
≤ 5.5 V 12
mA
TPS60241
Short circuit V
I
= 3.25 V 80
f
OSC
Internal clock source 100 160 220 kHz
V
n
Output noise
TPS60240/2/3
V
I
< 2.5 V, I
O
= 5 mA,
ESR < 0.1 Ω, measured over
20 Hz to 10 MHz, C
O
= 4.7 µF
170
V RMS
V
n
Out ut
noise
voltage
TPS60241
V
I
= 2.7 V, I
O
= 5 mA,
ESR < 0.1 Ω, measured over
20 Hz to 10 MHz, C
O
= 4.7 µF
170
µV RMS
V
I(H)
EN Logic high input voltage V
OH
1.3 5.5 V
V
I(L)
EN Logic low input voltage V
OL
–0.2 0.4 V
I
I(H)
EN Logic high input current 100 nA
I
I(L)
EN Logic low input current 100 nA
t
(EN)
EN Start-up time
V
O
> 90% of V
(NOM)
0.1 mA ≤ I
O
≤ 10 mA, C
O
= 1 µF
0.5 ms
TPS60240 I
O
= 5 mA, V
I
= 1.8 V 89.6%
η
Efficiency
TPS60241 I
O
= 10 mA, V
I
= 2.7 V 90.8%
η Efficiency
TPS60242
I
O
= 10 mA, V
I
= 1.8 V 73%
TPS60243 I
O
= 10 mA, V
I
= 1.8 V 81%