NCN5110

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9

unless otherwise specified. Convention: currents flowing in the circuit are defined as positive.

Symbol

Unit

Max

Typ

Min

Remark/Test Conditions

Parameter

Pin(s)

FAN−IN CONTROL

FANIN

Pull−Up Current FANIN−pin

FANIN shorted to GND,

10

20

40

mA

DIGITAL INPUTS

nV20VEN,

nDC2EN,

RXD, XCLKC

Logic Low Threshold

0

0.7

V

Logic High Threshold

2.65

V

XCLKC

Internal Pull−Down Resistor

5

10

28

k

W

DIGITAL OUTPUTS

TXD, XCLK

Logic low output level

0

0.4

V

Logic high output level

0.45

V

XCLK

Load Current

8

mA

TXD

4

mA

SAVEB,

RESETB

Logic low level open drain

0.4

V

Internal Pull−up Resistor

20

40

80

k

W

TEMPERATURE MONITOR

Thermal Warning

Rising temperature

See Figure 8

105

115

125

°C

Thermal shutdown

Rising temperature

See Figure 8

130

140

150

°C

Thermal Hysteresis

See Figure 8

5

11

15

°C

DT

See Figure 8

21.7

°C

PACKAGE THERMAL RESISTANCE VALUE

Thermal Resistance

Junction−to−Ambient

Simulated Conform

JEDEC JESD−51, (2S2P)

30

K/W

Simulated Conform

JEDEC JESD−51, (1S0P)

60

K/W

Thermal Resistance

Junction−to−Exposed Pad

0.95

K/W

unless otherwise specified.

Symbol

Pin(s)

Parameter

Remark/Test Conditions

Min

Typ

Max

Unit

POWER SUPPLY

VBUS1

VBUS1 filter time

See Figure 4

2

ms

FIXED DC−DC CONVERTER

VSW1

Rising slope at VSW1−pin

0.45

V/ns

Falling slope at VSW1−pin

0.6

V/ns

ADJUSTABLE DC−DC CONVERTER

VSW2

Rising slope at VSW2−pin

0.45

V/ns

Falling slope at VSW2−pin

0.6

V/ns

XTAL OSCILLATOR

XTAL1, XTAL2

XTAL Oscillator Frequency

16

MHz

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.