PM6675STR Просмотр технического описания (PDF) - STMicroelectronics

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производитель

PM6675STR

High efficiency step-down controller with embedded 2 A LDO regulator

STMicroelectronics 

PM6675S

Electrical characteristics

Table 6.

Electrical characteristics (continued)

TA = 0 °C to 85 °C, VCC = AVCC = +5 V, LIN = 1.5 V and LOUT = 0.6 V, if not otherwise

specified (1)

Symbol

Parameter

Test condition

Values

Unit

Min Typ Max

Soft-end section

Switching section discharge

resistance

LDO section discharge

resistance

15

25

35

Ω

15

25

35

LDO section

VLREF

ILDO,CL

LDO reference voltage

LDO output accuracy respect -1 mA < ILDO < 1 mA

to VREF

-1 A < ILDO < 1 A

LDO sink current limit

VLFB > VLREF , LILIM = 5 V

VLFB > VLREF, LILIM = 0 V

0.9 • VLREF < VLFB < VLREF,

LILIM = 5V

LDO source current limit

0.9 • VLREF < VLFB < VLREF,

LILIM = 0V

600

-20

20

mV

-25

25

-3

-2.3

-2

-1.6 -1.3

-1

2

2.4

3

A

1

1.3

1.6

VLFB < 0.9 • VLREF, LILIM = 5 V

1

1.3

1.6

VLFB < 0.9 • VLREF, LILIM = 0 V 0.5

0.8

1.1

ILIN,BIAS

ILFB,BIAS

LDO input bias current, ON

LDO input bias current, OFF

LFB input bias current

LEN connected to AVCC, no

load

LEN = 0 V, no load

LEN connected to AVCC

VLFB = 0.6 V

1

10

1

µA

-1

1

ILFB,LEAK LFB leakage current

LEN = 0 V, VLFB = 0.6 V

-1

1

11/53

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