AS1339 datasheet(5/25 Pages) AMSCO

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AS1339

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

VIN1A = VIN1B = VIN2 = VPA_EN = VEN1 = VEN2 = 3.6V, TA = -40ºC to +85ºC. Typical values are at TA =+25ºC, (unless

otherwise specified), for external components refer to Table 5 on page 7.

Table 3. Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Input Supply

VIN

Input Voltage Range

2.7

5.5

ISHDN

Shutdown Supply Current

VPA_EN = VEN1 = VEN2 = 0V

0.1

µA

DC-DC No-Load Supply

Current

VEN1 = VEN2 = 0V, ILOAD(DCDC) = 0mA,

switching, VIN = 4.5V, VOUT = 3.4V

4.5

DCDC Output Voltage

VOUT

Output Voltage Range

PWM Mode

0.8

3.85

Output Voltage

VREFIN = 0.32V, VIN = 3.9V

0.75

0.8

0.85

VREFIN = 0.84V, VIN = 3.9V

2.05

2.1

2.15

VREFIN = 1.36V, VIN = 3.9V

3.319

3.4

3.481

Thermal Protection

Thermal Shutdown

TA rising, 10ºC typical hysteresis

+140

ºC

Logic Control

PA_EN, EN1, EN2, Logic-

Input High Voltage

2.7V ≤ VIN ≤ 5.5V

1.4

PA_EN, EN1, EN2, Logic-

Input Low Voltage

2.7V ≤ VIN ≤ 5.5V

0.5

Logic-Input Current

(PA_EN, EN1, EN2)

VIL = 0V

-1

µA

VIH = VIN = 5.5V

µA

REFIN

REFIN Operating

Common-Mode Range

0.32

1.5

REFIN gain VOUT/VREFIN

VREFIN = 0.32V

2.35

2.50

2.65

V/V

VREFIN = 0.84V, 1.36V

2.44

2.50

2.56

V/V

REFIN Current

VREFIN = VIN = 5.5V

-1

µA

RDSONP Pin-Pin Resistance for PFET

ISW = 200mA; TA = +25°C

110

200

ISW = 200mA

230

RDSONN Pin-Pin Resistance for NFET

ISW = -200mA; TA = +25°C

230

415

ISW = -200mA

485

PFET Leakage Current

VIN = 5.5V, VLX = 0V

0.1

µA

NFET Leakage Current

VIN = VLX = 5.5V

0.1

µA

PFET Peak Current Limit

VLX = 0V

1100

fOSC

Internal Oscillator Frequency

1.8

2.2

MHz

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