TPS65180, TPS65181

SLVSA76D – MARCH 2010 – REVISED JULY 2010

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ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Feedback voltage

-1

V

Accuracy

-3

3

%

Output voltage range

-21

-20

-19

V

Load current range

12

mA

Switching frequency

560

KHz

Recommended driver capacitor

10

nF

Recommended output capacitor

4.7

µF

Temperature to voltage ratio

Not tested in production

-0.0158

V/°C

Offset

Temperature = 0°C

1.575

V

Temp hot trip voltage (T = 50°C)

TEMP_HOT_SET = 0x8C

0.768

V

Temp hot escape voltage (T =

TEMP_COOL_SET = 0x82

0.845

V

45°C)

Maximum input level

2.25

V

Internal pull up resistor

7.307

K

Ω

External linearization resistor

43

K

Ω

ADC resolution

Not tested in production, 1 bit

8.75

mV

ADC conversion time

Not tested in production

19

µs

Accuracy

Not tested in production

-2

2

LSB

LOGIC LEVELS AND TIMING CHARTERISTICS (SCL, SDA, nINT, PWR_GOOD, PWRx, WAKEUP)

Output low threshold level

0.4

V

(SDA, nINT, PWR_GOOD)

Input low threshold level

0.4

V

Input high threshold level

1.2

V

Input bias current

1

µA

WAKEUP low time

minimum low time for WAKEUP pin

150

ms

SCL clock frequency

400

KHz

OSCILLATOR

Oscillator frequency

9

MHz

Frequency accuracy

-10

10

%

THERMAL SHUTDOWN

Thermal trip point

150

°C

Thermal hysteresis

20

°C

(1)

10-k

Ω Murata NCP18XH103F03RB thermistor (1%) in parallel with a linearization resistor (43kΩ, 1%) are used at TS pin for panel

temperature measurement.

8

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