AS3688 datasheet(8/72 Pages) AMSOSRAM

8 / 72 page

AS3688

austriami crosyst ems

Datasheet, Confidential

www.austriamicrosystems.com (ptr,tje)

Revision 1.1.1 / 20060707

6 - 70

Symbol

Parameter

Min

Typ

Max

Unit

Note

ILOWPOWER

Low-Power Mode Current

µA

Current consumption in low-power

mode; ldo_ana1_lpo= 1,

ldo_ana1_on=1 and V2_5 on,

maximum LDO load current on

ldo_ana1 = 5mA; interface active

ISTANDBY

Standby Mode Current

µA

Current consumption in standby

mode. Only 2.5V regulator on

VDD_GPIO > 1.5V; interface active

ISHUTDOWN

Shutdown Mode Current

0.1

µA

VDD_GPIO < 0.3V; interface

disabled and register are reset

Notes:

All device parameters are valid under all operating conditions unless otherwise specified

Typical Operating Characteristics

Figure

2 – DCDC Step Up Converter: Efficiency at VBAT = 3.8V

0,0

20,0

40,0

60,0

80,0

Load Current [mA]

VOUT=14.2V

VOUT=17.2V

VOUT=22.3V

VOUT=14.2V

500kHz

Figure

3 – Charge Pump: Efficiency vs. VBAT

100

2,8

3,0

3,2

3,4

3,6

3,8

4,0

4,2

Vbat [V]

ILED=160mA,

VLED=3.65V

ILED=320mA,

VLED=4.6V

ILED=80mA,

VLED=3.26V

AS3688 Datasheet(PDF) 8 Page - ams-OSRAM AG

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