Diodes API9221 Manual de usuario descargar pdf (Pagina 7)

API9221

R/WALL or USB SUPPLY INPUT LITHIUM BATTERY

CHARGER with OVP USB BYPASS and 10mA LDO

API9221

Document number: DS32204 Rev. 2 - 2

7 of 15

www.diodes.com

November 2011

NEW PRODUCT

Electrical Characteristics (cont.)

API9221 is tested at VDC = VUSB = 5V at an ambient temperature of +25°C unless otherwise noted.

Symbol Parameter Test Conditions Min Typ. Max Unit

INTERNAL TEMPERATURE MONITORING

FOLD

Current Fold Back Threshold - 125 -

°C

LOGIC INPUT AND OUTPUT

Pin Logic Input HIGH

1.4 - V

Pin Logic Input LOW

- 0.4 V

Pin Internal Pull-down

Resistance

350 600 850 k

CHG

and

PPR

output voltage

LOW

Pin Current = 10mA - 0.8 V

LINEAR REGULATOR

LDO

Output Voltage - 4.94 - V

REG

Voltage Regulation Accuracy

Initial Accuracy,

LDO

= 10mA; T

= +25°C

-1 - +1 %

Line regulation

= V

LDO

+ 0.5V to 6.5V

= -40°C to +125°C

-2.8 - +2.8 %

Load regulation

LDO

= 10µA to 10mA,

VDC = V

LDO

+ 0.5V to 6.5V

= -40°C to +125°C

-2.8 - +2.8 %

Dropout (VDC to V

LDO

)

LDO

= 10mA, V

LDO

= 4.9V,

> V

LDO

+0.5V

- 20 50 mV

LIMIT

Current Limit

For I

LDO

= 10mA,

= 5.5V

12 - - mA

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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