AS1326 データシートの表示（PDF） - austriamicrosystems AG

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AS1326

High Current, 0.8A DC-DC Step-Up Converters

austriamicrosystems AG 

AS1326

Datasheet - Electrical Characteristics

Table 4. Electrical Characteristics (Continued)

Symbol

Parameter

Logic Inputs

CLK/SEL Input Low Level

Condition

2.5V ≤ VOUT ≤ 5.0V

CLK/SEL Input High Level

ON, ONN Input Low Level 6

ON, ONN Input High Level 6

Input Leakage Current

Minimum CLK/SEL

Pulse Width

Maximum CLK/SEL

Rise/Fall Time

2.5V ≤ VOUT ≤ 5.0V

1.1V ≤ VOUT ≤ 1.8V

1.8V ≤ VOUT ≤ 5.0V

1.1V ≤ VOUT ≤ 1.8V

1.8V ≤ VOUT ≤ 5.0V

CLK/SEL, ON, ONN, TAMB = +25ºC

Min Typ Max Unit

0.2 x

VOUT

V

0.8 x

VOUT

V

0.2

V

0.4

VOUT -

0.2

V

1.6

0.1

1

µA

200

ns

100

ns

1. Operating voltage; since the regulator is bootstrapped to the output, once started, the AS1326 operates down to

0.7V input. If CLK/SEL = GND then VIN ≤ VOUT. If CLK/SEL = VOUT then VIN ≤ 0.75xVOUT.

2. Startup is tested with the circuit shown in Figure 25 on page 14.

3. Defines maximum step-up ratio.

4. The regulator is in startup mode until this voltage is reached. Caution: Do not apply full load current until the

device output > 2.3V.

5. Supply current into pin OUT. This current correlates directly to the actual battery-supply current, but is reduced

in value according to the step-up ratio and efficiency.

6. ON and ONN have a hysteresis of typically 0.15V.

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