DIO6905 datasheet(4/15 Pages) DIOO

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DIO6905

www.dioo.com

DIO6905 • Rev. 1.8

- 4 -

Electrical Characteristics

VIN = 3.6 V, TA = 25°C, unless otherwise specified.

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

VFB

Feedback voltage

2.3 V ≤ VIN ≤ 5.5 V, TJ = 25°C

594

600

606

TJ = -40°C to 125°C(2)

588

612

VUVLO

Undervoltage lockout threshold rising

2.1

2.3

Undervoltage lockout threshold hysteresis

VIL

EN input logic low voltage

0.4

VIH

EN input logic high voltage

1.2

ILKG_EN

EN input current

VEN = 2 V

μA

VEN = 0 V

μA

ISD

Supply current (shutdown)

VEN = 0 V, TJ = 25°C

μA

Supply current (quiescent)

VEN = 2 V, VFB = 0.63 V,

VIN = 3.6 V, 5 V, TJ = 25°C

μA

IFB

Feedback current

VFB = 0.63 V

100

RDSON_P

P-FET switch on resistance

120

mΩ

RDSON_N

N-FET switch on resistance

mΩ

RDIS

Output discharge resistor

VEN = 0 V, VOUT = 1.2 V

kΩ

ILKG_P

Switch leakage current

VEN = 0 V, VIN = 6 V,

VSW = 0 V and 6 V, TJ = 25°C

μA

ILIM_P

P-FET peak current limit

Sourcing

2.4

ILIM_N

N-FET valley current limit

Sourcing, valley current limit

1.6

ZCD

Zero current cross detection

tON

On-time

VIN = 5 V, VOUT = 1.2 V

145

VIN = 3.6 V, VOUT = 1.2 V

202

Switching frequency

VIN = 5 V, VOUT = 1.2 V,

IOUT = 500 mA, TJ = 25°C (1)

1300

1650

2000

kHz

VIN = 5 V, VOUT = 1.2 V,

IOUT = 500 mA,

TJ = -40°C to 125°C (1)

1230

1650

2070

kHz

tMIN-OFF

Minimum off-time

tMIN-ON

Minimum on-time(1)

tSS-ON

Soft-start time

VOUT rise from 10% to 90%

0.6

TSD

Thermal shutdown(2)

160

°C

THYST

Thermal hysteresis(2)

°C

Note:

(1) Guaranteed by characterization.

(2) Guaranteed by design.

(3) Specifications subjects to change without notice.

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