11

4964B–AUTO–07/07

ATA6842

6

Linear Regulator

6.1 Output voltage

I(V5) = –150 mA to 0 mA,

ß(NPN) > 120 mA,

Uce,sat(NPN) < 0.8V,

U

U

V5

V5

4.85

5

5.15

V

A

6.2 Line regulation

V12 = 8V to 18V,

I(V5) = –150 mA

V5

V5

lir

–10

+10

mV

A

6.3 Load regulation

V12 = 14V,

I(V5) = –50 mA to –150 mA

V5

–20

+20

mV

A

6.4 Allowed capacitor

V5

CV5

7

22

µF

C

6.5 Allowed capacitor

V5

ESR,CV5

0.5

10

Ω

C

6.6

Lower threshold

undervoltage

RESN = low

V5

VtU(V5)low

4.5

V

A

6.7

Upper threshold

undervoltage

RESN = high

V5

VtU(V5)hig

h

4.8

V

A

6.8

Lower threshold

overvoltage

RESN = high

V5

VtO(V5)low

5.2

V

A

6.9

Upper threshold

overvoltage

RESN = low

V5

VtO(V5)hig

h

5.5

V

A

6.10

Hysteresis

Under/overvoltage

V5

Vt(V5)hys

50

200

mV

A

6.11

Under/overvoltage

filter time

V5

tfi(V5)

8

30

µs

A

6.12 Short circuit current

V(B5) = 0V

B5

Isc(B5)

1.5

8

mA

A

6.13 Pull-down resistor

V(B5) = 1V

B5

Rpd(B5)

50

250

k

Ω

A

6.14 Pull-down current

V(B5) = 6V

B5

Ipd(B5)

10

50

µA

A

6.15

Saturation voltage

high

Vs(B5) = V12 – V(B5),

V12 = 5.8V to 6.5V,

I(B5) = –1.25 mA

T

B5

Vs(B5)high

0.15

0.25

0.35

V

V

V

A

5.

Electrical Characteristics (Continued)

Operating conditions: V12 = 6.5V to 26V, V5 = 5V ±3%, RREF = 10 k

Ω ±2%, T

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

Note:

1. Reduced operation mode means either

- Voltage at pin TCFET could be beyond specified limits