PM6675AS datasheet(11/48 Pages) STMICROELECTRONICS

11 / 48 page

PM6675AS

Electrical characteristics

11/48

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

ILDO,CL

LDO sink current limit

VLFB > VLREF , LILIM = 5 V

-3

-2.3

-2

VLFB > VLREF, LILIM = 0 V

-1.6

-1.3

-1

LDO source current limit

0.9

⋅ V

LREF < VLFB < VLREF,

LILIM=5V

22.4

0.9

⋅ V

LREF < VLFB < VLREF,

LILIM = 0 V

11.3

1.6

VLFB < 0.9 ⋅ VLREF, LILIM = 5 V

1.3

1.6

VLFB < 0.9 ⋅ VLREF, LILIM = 0 V

0.5

0.8

1.1

ILIN,BIAS

LDO input bias current, on

LEN connected to AVCC, no load

µA

LDO input bias current, off

LEN = 0 V, no load

ILFB,BIAS

LFB input bias current

LEN connected to AVCC

VLFB = 0.6 V

-1

ILFB,LEAK

LFB leakage current

LEN=0V, VLFB = 0.6V

-1

Power management section

VVTHVSEL

VSEL pin thresholds

Fixed mode

VAVCC

-0.7

Adjustable mode

VAVCC

-1.3

VVTHNOSKIP NOSKIP pin thresholds

Forced-PWM mode

VAVCC

-0.8

No-audible mode

1.0

VAVCC

-1.5

Pulse-skip mode

0.5

VVTHLEN,

VVTHSWEN

LEN, SWEN turn off level

0.4

LEN, SWEN turn on level

1.6

VVTHLILIM

LILIM pin thresholds

±2A LDO current limit

VAVCC

-0.8

±1A LDO current limit

0.5

IIN,LEAK

Logic input leakage current

LEN, SWEN and LILIM = 5 V

µA

IIN3,LEAK

Multilevel input leakage current

VSEL and NOSKIP = 5 V

IOSC,LEAK

VOSC pin leakage current

VOSC = 1 V

Thermal shutdown

TSHDN

Shutdown temperature (2)

150

°C

Specifications referred to TJ = TA. All the parameters at operating temperatures extremes are guaranteed by design and

statistical correlation (not production tested).

Guaranteed by design. Not production tested.

Table 6.

Electrical characteristics (continued)

TA = -25 °C to 85 °C , VCC = AVCC = +5 V, LIN = 1.5 V and LOUT= 0.6 V if not otherwise

specified. (1)

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