AS1332 datasheet(4/19 Pages) AMSCO

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AS1332

Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s

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

ISHDN

1. Shutdown current includes leakage current of PFET.

Shutdown Supply Current

EN = SW = VCON = 0V

0.01

µA

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

DC Bias Current into VDD

VCON = 1V, FB = 0V,

No Switching

11.4

DC-DC Switches

ILIM,PFET

Switch Peak Current Limit

Current limit is built-in, fixed,

and not adjustable.

935

1100

1200

RDSON(P)

Pin-Pin Resistance for PFET

ISW = 200mA; TA = +25°C

140

200

ISW = 200mA

230

RDSON(N)

Pin-Pin Resistance for NFET

ISW = -200mA; TA = +25°C

300

415

ISW = -200mA

485

Control Inputs

VIH,EN

Logic High Input Threshold

1.2

VIL,EN

Logic Low Input Threshold

0.5

IPIN,ENABLE Pin Pull Down Current

µA

VCON,min

VCON Threshold

Commanding VFB,MIN

VCON swept down

0.484

0.52

0.556

VCON,max

VCON Threshold

Commanding VFB,MAX

VCON swept up

1.208

1.27

1.312

ZCON

VCON Input Resistance

3. Derived by input leakage test.

TA = +25°C

100

ICON

Control Pin Leakage Current

-10

µA

Gain

VCON to VOUT Gain

0.556V

≤ VCON ≤ 1.208V

2.5

V/V

Oscillator

FOSC

Internal Oscillator Frequency

1.8

2.2

MHz

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