Datasheet

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 I
PWMOUT = –100mA 9.15 10.0 V
PWMOUT Low Voltage I
PWMOUT = 100mA 0.3 0.5 V
PUMPOUT High Voltage I
PUMPOUT = –10mA 5.3 5.8 V
PUMPOUT Low Voltage I
PUMPOUT = 10mA 1.0 1.8 V
PUMPOUT Frequency BOOST = 9.5V 35 50 60 kHz
NOTON High Voltage I
NOTON = –1mA 5.0 6.3 V
NOTON Low Voltage I
NOTON = 1mA 0.1 0.3 V
QOUT, QOUT
High Voltage IQOUT = –1mA or IQOUT = –1mA 5.0 6.3 V
QOUT, QOUT
Low Voltage IQOUT = 1mA or IQOUT = 1mA 0.1 0.45 V
QOUT, QOUT
Frequency 150 200 250 Hz
FLT High Voltage I
FLT = –1mA 6.0 6.3 V
FLT Low Voltage I
FLT = 1mA 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 I
SLOPEC = –125nA 1.3 1.5 1.7 V
I
SLOPEC = –50nA 2.8 3.0 3.2 V
ELECTRICAL CHARACTERISTICS (cont.) Unless otherwise stated, VCC = 6.6V, ISET = 100k
Ω
to GND, ADJ = 100k
Ω
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
Ω
resistor, –40°C<T
A<+105°C for the UCC2305, 0°C<TA<+70°C for the UCC3305, and
T
A=TJ.