TPS65020RHAR datasheet(10/53 Pages) TI1

Part #	TPS65020RHAR

Description	Power Management IC

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Manufacturer	TI1 [Texas Instruments]

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TPS65020

SLVS607D – SEPTEMBER 2005 – REVISED JANUARY 2016

www.ti.com

Electrical Characteristics: Supply Pins VBACKUP, VSYSIN, VRTC, VINLDO (continued)

VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, TA = –40°C to 85°C (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN TYP(1)

MAX

UNIT

VSYSIN threshold

VSYSIN falling

–3%

2.55

3%

V

VSYSIN threshold

VSYSIN rising

–3%

2.65

3%

V

VBACKUP threshold

VBACKUP falling

–3%

2.55

3%

V

VBACKUP threshold

VBACKUP falling

–3%

2.65

3%

V

VINLDO

I(q)

Operating quiescent current

Current per LDO into VINLDO

16

30

μA

Total current for both LDOs into VINLDO,

I(SD)

Shutdown current

0.1

1

μA

VLDO = 0 V

7.8 Electrical Characteristics: VDCDC1 Step-Down Converter

VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, TA = –40°C to 85°C (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN TYP(1)

MAX

UNIT

VI

Input voltage range, VINDCDC1

2.5

6

V

IO

Maximum output current

1200

mA

I(SD)

Shutdown supply current in VINDCDC1

DCDC1_EN = GND

0.1

1

μA

rDS(on)

P-channel MOSFET on-resistance

VINDCDC1 = V(GS) = 3.6 V

125

261

m

Ω

Ilkg

P-channel leakage current

VINDCDC1 = 6 V

2

μA

rDS(on)

N-channel MOSFET on-resistance

VINDCDC1 = V(GS) = 3.6 V

130

260

m

Ω

Ilkg

N-channel leakage current

V(DS) = 6 V

7

10

μA

Forward current limit (P- and N-channel)

2.5 V < VI(MAIN) < 6 V

1.55

1.75

1.95

A

fS

Oscillator frequency

1.3

1.5

1.7

MHz

VINDCDC1 = 3.3 V to 6 V;

3 V

–2%

2%

0 mA

≤ IO ≤ 1.2 A

Fixed output voltage

FPWMDCDC1=0

VINDCDC1 = 3.6 V to 6 V;

3.3 V

–2%

2%

0 mA

≤ IO ≤ 1.2 A

VINDCDC1 = 3.3 V to 6 V;

3 V

–1%

1%

0 mA

≤ IO ≤ 1.2 A

Fixed output voltage

FPWMDCDC1=1

VINDCDC1 = 3.6 V to 6 V;

3.3 V

–1%

1%

0 mA

≤ IO ≤ 1.2 A

Adjustable output voltage with resistor

VINDCDC1 = VDCDC1 +0.3 V (min 2.5 V)

–2%

2%

divider at DEFDCDC1 FPWMDCDC1=0

to 6 V; 0 mA

≤ IO ≤ 1.2 A

Adjustable output voltage with resistor

VINDCDC1 = VDCDC1 +0.3 V (min 2.5 V)

–1%

1%

divider at DEFDCDC1; FPWMDCDC1=1

to 6 V; 0 mA

≤ IO ≤ 1.2 A

VINDCDC1 = VDCDC1 + 0.3 V (min. 2.5 V)

Line Regulation

0%

V

to 6 V; IO = 10 mA

Load Regulation

IO = 10 mA to 1200 mA

0.25%

A

VDCDC1 ramping from 5% to 95% of target

Soft-start ramp time

750

μs

value

Internal resistance from L1 to GND

1

M

Ω

VDCDC1 discharge resistance

300

Ω

(1)

Typical values are at TA = 25°C

10

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