NX5P2553_15 datasheet(6/24 Pages) PHILIPS

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NX5P2553

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Product data sheet

Rev. 1 — 6 July 2015

6 of 24

NXP Semiconductors

NX5P2553

Precision adjustable current-limited power switch

10. Recommended operating conditions

[1]

Current-limit threshold resistor range from ILIM to GND.

11. Thermal characteristics

[1]

Rth(j-a) is dependent upon board layout. To minimize Rth(j-a), ensure that all pins have a solid connection to larger copper layer areas. In

multi-layer PCBs, the second layer should be used to create a large heat spreader area below the device. Avoid using solder-stop

varnish under the device.

12. Static characteristics

Table 6.

Operating conditions

Symbol Parameter

Conditions

Min

Max

Unit

input voltage

input VIN

2.5

5.5

input EN

5.5

ISW

switch current

Tj = 40 C to +125 C0

1.2

Tj = 40 C to +105 C0

1.5

IO(sink)

output sink current

output FAULT

10

RILIM

current limit resistance

input ILIM

[1] 15

232



Cdec

decoupling capacitance

VIN and VOUT to GND

0.1

F

Tamb

ambient temperature

40

+85

C

junction temperature

ISW < 1.2 A

40

+125

C

ISW < 1.5 A

40

+105

C

Table 7.

Thermal characteristics

Symbol

Parameter

Conditions

Typ

Unit

Rth(j-a)

thermal resistance from junction to

ambient

NX5P2553GV

[1] 133

K/W

NX5P2553GU

[1] 105

K/W

NX5P2553GU6

[1] 93

K/W

Table 8.

Static characteristics

At recommended operating conditions; VI(VIN) = VI(EN) and RFAULT = 10 k unless otherwise specified; voltages are

referenced to GND (ground = 0 V); see Figure 4, Figure 5, Figure 6, and Figure 11.

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

VIH

HIGH-level input voltage

EN input; VI(VIN) = 2.5 V to 5.5 V

1.3

VIL

LOW-level input voltage

EN input; VI(VIN) = 2.5 V to 5.5 V

0.56

ILI

input leakage current

EN input; VI(VIN) = 2.5 V to 5.5 V;

VI(EN) = 0 V or 5.5 V

0.5

A

IVIN

supply current

VOUT open; VI(VIN) =5.5 V

EN = GND (low-power mode)

0.3

A

EN = VI(VIN); Rext = 20 k

160

225

A

EN = VI(VIN); Rext = 210 k

135

200

A

IOFF

power-off leakage current

VOUT; Tj = 25 C; VI(VIN) =0V;

VO(VOUT) = 5.5 V

-0.1

A

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