3

UCC3830-4/-5/-6

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

OV Comparator

Trip Point

% Over COMMAND Voltage (Note 1), D0 = D1 = D2 = D4

= Open, D3 = GND

5

8.5

12

%

Hysteresis

20

30

mV

PWRGOOD Equivalent Resistance VSENSE = 2.0V

470

Ω

UV Comparator

Trip Point

% Over COMMAND Voltage (Note 1), D0 = D1 = D2 = D4

= Open, D3 = GND

–12

–8.5

–5

%

Hysteresis

20

30

mV

Voltage Error Amplifier

Input Bias Current

–0.5

–0.02

0.5

µA

Open Loop Gain

Open

80

dB

Power Supply Rejection Ratio

10.8V < VIN < 15V

85

dB

Output Sourcing Current

–0.5

–0.3

mA

Output Sinking Current

0.5

1

mA

Current Sense Amplifier

Gain

14.25

15.25

V/V

Input Resistance

3k

Ω

Common Mode Rejection Ratio

60

dB

Power Supply Rejection Ratio

10.8V < VIN < 15V

80

dB

Output Sourcing Current

–0.5

–0.3

mA

Output Sinking Current

5

8

mA

Current Amplifier

Input Offset Voltage

–12

12

mV

Input Bias Current

–0.1

µA

Open Loop Gain

80

dB

Output Voltage High

3.2

V

Power Supply Rejection Ratio

10.8V < VIN < 15V

80

dB

Output Sourcing Current

–1

–0.5

mA

Output Sinking Current

3

5

mA

Oscillator

Frequency (-4)

85

100

115

kHz

Frequency (-5)

170

200

230

kHz

Frequency (-6)

340

400

460

kHz

Frequency Change With Voltage

10.8V < VIN < 15V

1

%

Output Section

Maximum Duty Cycle

90

95

99

%

Output Low Voltage

0.2

V

Output High Voltage

11.8

V

Rise Time

20

70

ns

Fall Time

15

70

ns

Foldback Current Limit

Clamp Level

Measured at Voltage EA Output;

4.28

V

3.64

V

Note 1: This percentage is measured with respect to the ideal COMMAND voltage programmed by the D0 - D4 pins.