3

UCC2305

UCC3305

PARAMETER

TEST CONDITIONS

MIN.

TYP.

MAX. UNITS

Load Power Amplifier Section

LOADISENSE Input Current

–2.5

–0.1

2.5

µA

LPOWER Source Current

LPOWER = 0V

–8.0

–0.4

mA

LPOWER Sink Current

LPOWER = 1V

0.4

1.3

mA

LPOWER Voltage

VOUTSENSE = 0.0V

0.32

0.40

0.48

V

VOUTSENSE = 0.45V

0.32

0.40

0.48

V

VOUTSENSE = 0.65V

0.41

0.46

0.51

V

VOUTSENSE = 0.88V

0.43

0.51

0.59

V

VOUTSENSE = 2.0V

0.43

0.51

0.59

V

VOUTSENSE = 0.7V, SLOPEC = 0V

0.29

0.34

0.41

V

Input Current Sense Section

ISENSEIN Threshold

COMP = 5V, WARMUPC = 0V

0.16

0.21

0.28

V

COMP = 5V, WARMUPC = 10V

0.10

0.19

0.27

V

COMP = 1V, WARMUPC = 0V

0.07

0.10

0.2

V

ISENSEIN Bias Current

OSC = 0V

–15

–5

–2

µA

OSC = 2V

–80

–40

–15

µA

VOUTSENSE Section

VOUTSENSE Threshold to PWMOUT

4.2

5.0

5.2

V

VOUTSENSE Threshold to FB

1.7

1.9

2.1

V

VOUTSENSE Threshold to NOTON

0.035

0.083

0.140

V

VOUTSENSE Input Current

–1

1

µA

OUTPUTS SECTION

PWMOUT High Voltage

9.15

10.0

V

PWMOUT Low Voltage

0.3

0.5

V

PUMPOUT High Voltage

5.3

5.8

V

PUMPOUT Low Voltage

1.0

1.8

V

PUMPOUT Frequency

BOOST = 9.5V

35

50

60

kHz

NOTON High Voltage

5.0

6.3

V

NOTON Low Voltage

0.1

0.3

V

QOUT, QOUT High Voltage

5.0

6.3

V

QOUT, QOUT Low Voltage

0.1

0.45

V

QOUT, QOUT Frequency

150

200

250

Hz

FLT High Voltage

6.0

6.3

V

FLT Low Voltage

0.1

0.3

V

Timing Capacitor Section

FLTC Discharge Current

FLTC = 2.5V

35

60

100

nA

FLTC Charge Current

FLTC = 2.5V

–430

–300

–220

nA

FLTC Threshold to FAULT

4.65

4.9

5.1

V

SLOPEC Charge Current

SLOPEC = 0.5V

–165

–90

–60

nA

SLOPEC = 2.2

–105

–60

–40

nA

SLOPEC = 4.2

–50

–30

–10

nA

SLOPEC Voltage

1.3

1.5

1.7

V

2.8

3.0

3.2

V

Ω to GND, ADJ = 100kΩ

to GND, OSC = 200pF to GND, BAT = 4V, LOADISENSE connected to LPOWER, VOUTSENSE = 0.666V, BOOST = 10.5V,

COMP connected to FB through a 100k