AS1332-BWLT Просмотр технического описания (PDF) - austriamicrosystems AG

Номер в каталоге

Компоненты Описание

Список матч

AS1332-BWLT

650mA, Step-Down DC-DC Converter for RF Power Amplifiers

austriamicrosystems AG 

AS1332

Datasheet - Electrical Characteristics

6 Electrical Characteristics

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

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min Typ Max Units

VFB,MIN

Feedback Voltage at Minimum

Setting

VCON = 0.4V

1.21 1.30 1.39

VFB Feedback Voltage

VCON = 1.1V

2.693 2.75 2.807

VFB,MAX

Feedback Voltage at Maximum

Setting

VCON = 1.4V

3.03 3.17 3.29

ISHDN1 Shutdown Supply Current

EN = SW = VCON = 0V

0.01

2

IQ2

DC Bias Current into VDD

DC-DC Switches

ill ILIM,PFET Switch Peak Current Limit

t RDSON(P) Pin-Pin Resistance for PFET

AG t s RDSON(N) Pin-Pin Resistance for NFET

s n Control Inputs

VIH,EN Logic High Input Threshold

e VIL,EN Logic Low Input Threshold

m t IPIN,ENABLE Pin Pull Down Current

a n VCON Threshold

VCON,min Commanding VFB,MIN

o VCON Threshold

c VCON,max Commanding VFB,MAX

l ZCON VCON Input Resistance3

ICON Control Pin Leakage Current

a Gain VCON to VOUT Gain

ic Oscillator

FOSC Internal Oscillator Frequency

VCON = 1V, FB = 0V,

No Switching

Current limit is built-in, fixed,

and not adjustable.

ISW = 200mA; TA = +25°C

ISW = 200mA

ISW = -200mA; TA = +25°C

ISW = -200mA

VCON swept down

VCON swept up

TA = +25°C

0.556V ≤ VCON ≤ 1.208V

n 1. Shutdown current includes leakage current of PFET.

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

Tech 3. Derived by input leakage test.

1

1.4

935 1100 1200

140 200

230

300 415

485

1.2

0.5

5

7

0.484 0.52 0.556

1.208 1.27 1.312

100

-10

10

2.5

1.8

2

2.2

valid V

V

V

µA

mA

mA

mΩ

mΩ

V

V

µA

V

V

kΩ

µA

V/V

MHz

www.austriamicrosystems.com/DC-DC_Step-Down/AS1332

Revision 1.02

4 - 19

Share Link: