ATA6629/ATA6631 [DATASHEET]

9165F–AUTO–10/14

18

4

EN input pin

4.1

Low level voltage input

EN

–0.3

+0.8

V

A

4.2

High level voltage input

EN

2

0.3V

V

A

4.3

Pull-down resistor

EN

50

125

200

k

Ω

A

4.4

Low level input current

EN

–3

+3

µA

A

5

NRES open drain output pin

5.1

Low level output voltage

NRES

0.14

V

A

5.2

Low level output low

10 k

Ω to 5V

NRES

0.2

V

A

5.3

Undervoltage reset time

NRES

2

4

6

ms

A

5.4

Reset debounce time for

falling edge

NRES

1.5

10

µs

A

5.5

Switch off leakage

current

NRES

–3

+3

µA

A

6

VCC Voltage Regulator Atmel ATA6629

6.1

Output voltage VCC

(0mA to 50mA)

VCC

3.234

3.366

V

A

(0mA to 85mA)

VCC

3.234

3.366

V

C

6.2

3V < VS < 4V

VCC

3.366

V

A

6.3

Regulator drop voltage

VCC

200

mV

A

6.4

Regulator drop voltage

VCC

500

700

mV

A

6.5

Line regulation maximum 4V < VS < 18V

VCC

0.1

0.2

%

A

6.6

Load regulation

maximum

VCC

0.1

0.5

%

A

6.7

Power supply ripple

rejection

10 Hz to 100kHz

50

dB

D

6.8

Output current limitation VS > 4V

VCC

–240

–160

–85

mA

A

6.9

External load capacity

0.2

Ω < ESR < 5Ω at

100kHz

for phase margin ≥ 60°

VCC

1.8

10

µF

D

ESR < 0.2

Ω at 100kHz

for phase margin ≥ 30°

6.10

VCC undervoltage

threshold

Referred to VCC

VS > 4V

VCC

2.8

3.2

V

A

6.11

Hysteresis of

undervoltage threshold

Referred to VCC

VS > 4V

VCC

150

mV

A

6.12

Ramp up time VS > 4V to

VCC = 3.3V

VCC

320

500

µs

A

9.

Electrical Characteristics (Continued)

No.

Parameters

Test Conditions

Pin

Symbol

Min.

Typ.

Max.

Unit

Type*

*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter