AS3630 datasheet(8/72 Pages) AMSCO

8 / 72 page

AS3630 – 8

8A Supercap Flash Driver

All limits are guaranteed. The parameters with min and max

values are guaranteed with production tests or SQC (Statistical

Quality Control) methods.

VVIN = +2.5V to +4.8V, TAMB = -30ºC to +85ºC, unless otherwise

specified. Typical values are at VBAT = +3.7V, TAMB = +25ºC,

unless otherwise specified.

Figure AS3630 – 6:

Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

General Operating Conditions

VVIN

Supply Voltage

2.5

3.7

4.8

ISHUTDOWN

Shutdown

Current

AS3630 off, VBAT<3.7V, TAMB ≤ 50ºC,

ON=0

0.5

2.0

μA

ISTANDBY

Standby Current

AS3630 off, VBAT<3.7V, TAMB ≤ 50ºC,

ON=1

1.0

μA

IPRE_

CHARGE_

LOW_POWER

Supercap

pre-charging

current

mode_setting = Supercap pre-charge

and charge_current =00b

2μA

TAMB

Operating

Temperature

-30

ºC

DCDC1/2 Step Up Converter

VDCDC

DCDC Boost

output Voltage

(pin VDCDC)

DCDC1 (LDCDC1) and/or DCDC2

(LDCDC2) is in operation

Efficiency

DCDC1 (LDCDC1) or DCDC2 (LDCDC2)

fCLK

Operating

Frequency

All internal timings are derived from

this oscillator

-10%

4.0

+10%

MHz

max_duty

DCDC

DCDC1/2

maximum duty

cycle

RSW_P1

DCDC Switch

SW1 - VDCDC

100

RSW_N1

DCDC Switch

SW1 - GND

100

RSW_P2

DCDC Switch

SW2 - VDCDC

RSW_N2

DCDC Switch

SW2 - GND

100

Electrical Characteristics

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