TPS60240, TPS60241

TPS60242, TPS60243

SLVS372B – JUNE 2001 – REVISED JANUARY 2002

5

www.ti.com

recommended operating conditions

MIN

NOM

MAX

UNIT

V

Input voltage range

TPS60240, TPS60242, TPS60243

1.8

5.5

V

VI

Input voltage range

TPS60241

2.7

5.5

V

IO

Output current range

All devices

25

mA

CI

Input capacitor

1

µF

C1, C2

Flying capacitors

1

µF

CO

Output capacitor

1

µF

TA

Operating temperature range

–40

85

°C

noted), limits apply over the specified temperature range, –40

°C to 85°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TPS60240 Assured start-up

IO ≤ 5 mA, RL = 600 Ω

1.8

5.5

V

Input voltage

TPS60241 Assured start-up

IO ≤ 12 mA, RL = 417 Ω

2.7

5.5

V

VI

Input voltage

TPS60242 Assured start-up

IO ≤ 12 mA, RL = 225 Ω

1.8

5.5

V

TPS60243 Assured start-up

IO ≤ 10 mA, RL = 300 Ω

1.8

5.5

TPS60240

1.8 V

≤ VI ≤ 5.5 V, 0 mA ≤ IO ≤ 5 mA

3 2175

33

3 3825

TPS60240

2.4 V

≤ VI ≤ 5.5 V, 0 mA ≤ IO ≤ 25 mA

3.2175

3.3

3.3825

TPS60241

2.7 V

≤ VI ≤ 5.5 V, 0 mA ≤ IO ≤ 12 mA

4 875

5

5 125

V

Output voltage

TPS60241

3 V

≤ VI ≤ 5.5 V, 0 mA ≤ IO ≤ 25 mA

4.875

5

5.125

V

VO

Output voltage

TPS60242

1.8 V

≤ VI ≤ 5.5 V, 0 mA ≤ IO ≤ 12 mA

2 6325

27

2 7675

V

TPS60242

2.3 V

≤ VI ≤ 5.5 V, 0 mA ≤ IO ≤ 25 mA

2.6325

2.7

2.7675

TPS60243

1.8 V

≤ VI ≤ 5.5 V, 0 mA ≤ IO ≤ 10 mA

2 925

3

3 075

TPS60243

2.3 V

≤ VI ≤ 5.5 V, 0 mA ≤ IO ≤ 25 mA

2.925

3

3.075

TPS60240/2/3

Nominal

2 V

≤ VI ≤ 5.5 V

12

I

Output current

TPS60240/2/3

Short circuit

VI = 2 V

80

mA

IO

Output current

TPS60241

Nominal

2.7 V

≤ VI ≤ 5.5 V

12

mA

TPS60241

Short circuit

VI = 3.25 V

80

fOSC

Internal clock source

100

160

220

kHz

Vn

Output noise

TPS60240/2/3

VI < 2.5 V, IO = 5 mA,

ESR < 0.1

Ω, measured over

20 Hz to 10 MHz, CO = 4.7 µF

170

V RMS

Vn

Out ut noise

voltage

TPS60241

VI = 2.7 V, IO = 5 mA,

ESR < 0.1

Ω, measured over

20 Hz to 10 MHz, CO = 4.7 µF

170

µV RMS

VI(H)

EN

Logic high input voltage VOH

1.3

5.5

V

VI(L)

EN

Logic low input voltage VOL

–0.2

0.4

V

II(H)

EN

Logic high input current

100

nA

II(L)

EN

Logic low input current

100

nA

t(EN)

EN

Start-up time

VO > 90% of V(NOM)

0.1 mA

≤ IO ≤ 10 mA, CO = 1 µF

0.5

ms

TPS60240

IO = 5 mA, VI = 1.8 V

89.6%

η

Efficiency

TPS60241

IO = 10 mA, VI = 2.7 V

90.8%

η

Efficiency

TPS60242

IO = 10 mA, VI = 1.8 V

73%

TPS60243

IO = 10 mA, VI = 1.8 V

81%