PM6670AS 查看數據表（PDF） - STMicroelectronics

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PM6670AS

Complete DDR2/3 memory power supply controller

STMicroelectronics 

PM6670AS

4

Electrical characteristics

Electrical characteristics

TA = -25 °C to 85 °C, VCC = AVCC = +5 V and LDOIN connected to VDDQ output if not

otherwise specified (a)

Table 6.

Symbol

Electrical characteristics

Parameter

Test condition

Min Typ Max Unit

Supply section

IIN Operating current

ISTR Operating current in STR

S3, S5, MODE and DDRSEL

connected to AVCC, No Load on

VTT and VTTREF outputs.

VCC connected to AVCC

S5, MODE and DDRSEL connected

to AVCC, S3 tied to SGND, No Load

on VTTREF.

VCC connected to AVCC

0.8

2

mA

0.6

1

ISH

Operating current in

shutdown

S3 and S5 tied to SGND.

Discharge mode active.

VCC connected to AVCC

1

10

μA

UVLO

AVCC under voltage lockout

upper threshold

AVCC under voltage lockout

lower threshold

4.1 4.25 4.4

V

3.85 4.0

4.1

UVLO hysteresis

70

mV

ON-time (SMPS)

tON On-time duration

OFF-time (SMPS)

MODE and

VOSC = 300 mV 650 750 850

DDRSEL high,

ns

VVSNS = 2 V

VOSC = 500 mV 390 450 510

tOFFMIN Minimum off time

Voltage reference

300 350

ns

Voltage accuracy

Load regulation

Undervoltage lockout fault

threshold

4.5 V < VIN < 36 V

-50 μA< IVREF < 50 μA

1.224 1.237 1.249 V

-4

4

mV

800

VDDQ output

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

design and statistical correlation (not production tested)

Doc ID 14436 Rev 2

9/53

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