AS1323 datasheet(5/15 Pages) AMSCO

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AS1323

Datasheet - Electrical Character i s t ics

6 Electrical Characteristics

6.1 DC Electrical Characteristics

TAMB = -40°C to +85°C, VBATT = 1.2V, VOUT = VOUT(NOM), SHDNN = VOUT, RLOAD =

∞, unless otherwise noted. Typical values are at TA =

25°C.(unless otherwise specified). Limits are 100% production tested at TAMB = 25ºC. Limits over the operating temperature range are

guaranteed by design.

Note:

All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality

Control) methods.

Table 4. Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VINMIN

Minimum Input Voltage

0.75

VIN

Operating Input Voltage

TAMB = 25ºC

0.95

VINSU

Minimum Start-Up

Input Voltage

TAMB = 25ºC,

RLOAD = 100

0.75

0.95

VOUT

Output Voltage

AS1323-27

2.619

2.7

2.781

AS1323-30

2.91

3.0

3.09

AS1323-33

3.201

3.3

3.399

RLOAD

Load depended drop

of VOUT

VBATT = 1.5V;

ILOAD = 45mA

RDS-ON

N-Channel On-Resistance

0.5

1.0

P-Channel On-Resistance

0.75

1.5

ILIMIT

N-Channel Switch

Current Limit

Programmed at 400mA

400

tON

Switch Maximum On-Time

µs

Synchronous Rectifier

Zero-Crossing Current

IOP-OUT

Operating Current

into VBATT

VBATT = 1.5V, VOUT = 3.3V,

TAMB = 25ºC

µA

IQ-OUT

Quiescent Current to VOUT

1.6

µA

IQ-BAT

Quiescent Current into VBATT

VBATT = 1.5V, TAMB = 25ºC

0.3

µA

ISDI-OUT

1. VOUT is completely disconnected (0V) during shutdown.

Shutdown Current to VOUT

200

ISDI-BAT

Shutdown Current into VBATT

VBATT = 1.5V, TAMB = 25ºC

100

VIL

SHDNN Voltage Threshold, Low

150

VIH

SHDNN Voltage Threshold, High

900

ISDI

SHDNN Input Bias Current

TAMB = 25ºC, VSDI = VOUT

100

300

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