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AS1325

Data Sheet - 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

5.0V Output

2. Voltage which triggers next loading cycle. Ripple and rms value depend on external components.

Table 4. Electrical Characteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Battery Input Range

1.5

5.0

V

Startup Battery Input Voltage

1

1. Guaranteed by design.

1.22

1.5

V

1.24

Output Voltage

2

2. Voltage which triggers next loading cycle. Ripple and rms value depend on external components.

4.950

5.000

5.050

V

4.875

5.125

N-Channel

On-Resistance

0.3

1.2

Ω

1.5

P-Channel On-Resistance

0.4

1.3

Ω

1.6

Light Load N-Channel Switch

Current Limit

400

mA

N-Channel Switch Current Limit

1

550

700

850

mA

450

950

Switch Maximum

On-Time

5

7

9

µs

4

10

P-Channel Minimum On-Time

1

µs

Synchronous Rectifier

Zero-Crossing Current

8

30

60

mA

0

65

Quiescent Current into OUT

35

55

µA

60

Shutdown Current into OUT

0.01

1

µA

2

Shutdown Current into BATT

0.01

1

µA

2

SHDNN Logic Low

1

0.3

V

SHDNN Threshold

1.185

1.228

1.271

V

1.170

1.286

SHDNN Threshold Hysteresis

0.02

V

RESETN Threshold

4.288

4.500

4.712

V

4.242

4.758

RESETN Voltage Low

0.15

V

0.2

RESETN Leakage Current

0.1

100

nA

1

LX Leakage Current

0.1

1000

nA

10

Maximum Load Current

185

mA

Efficiency

η

91

%