AS1334 Просмотр технического описания (PDF) - austriamicrosystems AG

Номер в каталоге

Компоненты Описание

производитель

AS1334

650mA, Ultra low Ripple Step Down DC/DC Converter

austriamicrosystems AG 

AS1334

Datasheet - Electrical Characteristics

6 Electrical Characteristics

TA = TJ = -40ºC to +85ºC; PVIN = VDD = EN = 3.6V, unless otherwise noted. Typical values are at TA=25°C.

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min Typ Max Units

TA

Operating Temperature Range

VOUT Output Voltage

PVIN = 3.6V

ISHDN Shutdown supply current

EN = SW = 0V1

IQ

DC bias current into VDD

RDSON(P) Pin-Pin Resistance for PFET

G RDSON(N) Pin-Pin Resistance for NFET

A t ILIM,PFET Switch peak current limit

s n POK Output

e VOL POK Output Low Voltage

m t POK Output High Leakage Current

a n POK Threshold

Enable Input

o VIH,EN Logic high input threshold

c VIL,EN Logic low input threshold

IPIN,ENABLE Pin pull down current

l Oscillator

a FOSC Internal oscillator frequency

FB = 0V, No Switching2

ISW = 200mA; TA = +25°C

ISW = 200mA

ISW = -200mA; TA = +25°C

ISW = -200mA

POK sinking 0.1mA

POK = 3.6V

Falling edge, referenced to VOUT(NOM)

ic 1. Shutdown current includes leakage current of PFET.

Techn 2. IQ specified here is when the part is operating at 100% duty cycle.

still valid -40

+85 °C

1.176 1.2 1.224 V

1.47 1.5 1.53 V

1.764 1.8 1.836 V

2.45 2.5 2.55 V

2.94 3.0 3.06 V

3.234 3.3 3.366 V

0.01 2 µA

1 1.4 mA

140 200

mΩ

230

300 415

mΩ

485

935 1100 1200 mA

0.05 0.2 V

500 nA

87 90 93 %

1.2

V

0.5 V

5 10 µA

1.8 2 2.2 MHz

www.austriamicrosystems.com/DC-DC_Step-Down/AS1334

Revision 1.09

4 - 18

Share Link: