Preliminary Datasheet

LP3350

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Page 5 of 7

LP3350–00 Version 0.3 NOV-2017

Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

General

Input Supply Voltage

8

28

V

Sleep Current

310

400

uA

Operation Current

2.5

3

mA

Input UVLO Threshold

6

7

8

V

UVLO Threshold Hysteresis

Falling Hysteresis

500

mV

Soft Start Slope

400

mV/ms

Thermal Shutdown Threshold

Temperature Rising

140

160

180

°C

Thermal Shutdown Hysteresis

30

°C

PWM Control

Internal Oscillator Frequency

175

200

225

kHz

Maximum Duty Cycle

93

95

97

%

CTRL Threshold Voltage

Logic High.

2.6

V

Logic Low

1

Pull Down Resistor

150

k

Ω

Error Amplifier

Reference Voltage

Reference

voltage

at

non-inverting input.

295.5

300

304.5

mV

Open Loop Voltage Gain

Am

70

dB

Transconductance of EA

Gm

80

100

120

uA/V

GATE Source Current

24

30

36

uA

GATE Sink Current

48

60

72

uA

Protection Threshold

Over Voltage Protection

Threshold of OVP

1.8

2

2.2

V

Over Current Protection

Threshold of OCP

330

mV

Fault Trigger Duration

50

ms

Connect detect time

1

ms

SCP Threshold

Normal Operation

200

mV

System Startup

100

mV