TPS60151_15 datasheet(5/26 Pages) TI

No de pièce	TPS60151

Description	TPS60151 5-V and 140-mA Charge Pump

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Fabricant	TI [Texas Instruments]

Site Internet	http://www.ti.com

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TPS60151

www.ti.com

SLVSA02A – SEPTEMBER 2009 – REVISED OCTOBER 2015

7.5 Electrical Characteristics

VIN = 3.6 V, TA = –40°C to 85°C, typical values are at TA = 25°C, C1 = C3 = 2.2 μF, C2 = 1.0 μF (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

POWER STAGE

VIN

Input voltage range

2.7

5.5

V

VUVLO

Undervoltage lockout threshold

1.9

2.1

V

IQ

Operating quiescent current

IOUT = 140 mA, Enable = VIN

4.7

mA

IQskip

Skip mode operating quiescent

IOUT = 0 mA, Enable = VIN (no switching)

80

μA

current

IOUT = 0 mA, Enable = VIN (minimum switching)

90

μA

ISD

Shutdown current

2.7 V

≤ VIN ≤ 5.5 V, Enable = 0 V

4

10

μA

VOUT

Output voltage(1)

IOUT ≤ 50 mA, 2.7 V ≤ VIN < 5.5V

4.8

5.0

5.2

V

VOUT(skip)

Skip mode output voltage

IOUT = 0 mA, 2.7 V ≤ VIN ≤ 5.5 V

VOUT+0.1

V

FSW

Switching frequency

1.5

MHz

tSS

Soft-start time

From the rising edge of enable to 90% output

150

μs

OUTPUT CURRENT

IOUT_nom

Maximum output current

VOUT remains between 4.8 V and 5.2 V,

120

mA

3.1 V

≤ VIN ≤ 5.5 V

3.3 V < VIN < 5.5 V

140

IOUT_max

Current limit

VOUT = 4.5 V

500

mA

IOUT_short

Short circuit current(2)

VOUT = 0 V

80

mA

RIPPLE VOLTAGE

VR

Output ripple voltage

IOUT = 140 mA

30

mV

ENABLE CONTROL

VHI

Logic high input voltage

2.7 V

≤ VIN ≤ 5.5 V

1.3

VIN

V

VLI

Logic low input voltage

–0.2

0.4

V

IHI

Logic high input current

1

μA

ILI

Logic low input current

1

μA

THERMAL SHUTDOWN

TSD

Shutdown temperature

160

°C

TRC

Shutdown recovery

140

°C

(1)

When in skip mode, output voltage can exceed VOUT spec because VOUT(skip)= VOUT +0.1.

(2)

TPS60151 has internal protection circuit to protect IC when VOUT shorted to GND.

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