SC225KSIT

120 kHz Bandwidth, High Voltage Isolation

Current Sensor with Integrated Overcurrent Detection

5/13

COMMON OPERATING CHARACTERISTICS

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

ELECTRICAL CHARACTERISTICS

Supply Voltage

1

V

CC

3

–

5.5

V

Nominal Supply Voltage

V

CCN

–

5

–

V

Supply Current

I

CC

–

11

14.5

mA

Output Capacitance Load

C

LOAD

–

–

10

nF

Output Resistive Load

R

LOAD

10

–

–

kΩ

Magnetic Coupling from

Device Conductor to Hall

Element

MC

HALL

–

9.5

–

G/A

Internal Filter Resistance

2

R

F(INT)

–

1.7

–

k

Ω

Primary Conductor

Resistance

R

PRIMARY

T

–

1

–

mΩ

ANALOG OUTPUT SIGNAL CHARACTERISTICS

Full Range Linearity

3

E

LIN

I

–0.75

±0.25

0.75

%

Symmetry

4

E

SYM

I

99.1

100

100.9

%

Bidirectional

Quiescent

Output

V

OUT(QBI)

I

–

V

–

V

TIMING PERFORMANCE CHARACTERISTICS

tr

T

no capacitor on FILTER pin, 100 pF

–

3

–

μs

Time

t

PROP

TA = 25°C, no capacitor on FILTER

–

1

–

μs

Signal

Response

Time

t

RESPONSE

T

no capacitor on FILTER pin, 100 pF

–

4

–

μs

Large

Signal

Bandwidth

f

3dB

–3 dB, Apply I

Vpk-pk, no capacitor on FILTER pin,

–

120

–

kHz

Power-On Time

t

PO

Output reaches 90% of steady-state

level, no capacitor on FILTER pin, T

25°C

–

35

–

μs

OVERCURRENT CHARACTERISTICS

Setting Voltage for

Overcurrent Switchpoint

5

V

OC

V

–

V

V

Signal Noise at

Overcurrent Comparator

Input

I

NCOMP

–

±1

–

A

Overcurrent Fault

Switchpoint Error

6,7

E

OC

Switchpoint in V

assumes I

–

±5

–

%

Overcurrent

Output Voltage

V

FAULT

–

–

0.4

V