PM6675STR datasheet(11/53 Pages) STMICROELECTRONICS

Part #	PM6675STR

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

PDF	53 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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11 / 53 page

PM6675S

Electrical characteristics

11/53

Symbol

Parameter

Test condition

Values

Unit

Min

Typ

Max

Soft-end section

Switching section discharge

resistance

Ω

LDO section discharge

resistance

LDO section

VLREF

LDO reference voltage

600

LDO output accuracy respect

to VREF

-1 mA < ILDO < 1 mA

-20

-1 A < ILDO < 1 A

-25

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 = 0V

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

110

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 = 0 V, VLFB = 0.6 V

-1

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)

PM6675STR Datasheet(PDF) 11 Page - STMicroelectronics

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