LP4437T1G datasheet(2/5 Pages) LRC

2 / 5 page

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Gate-Source Threshold Voltage

VGS(th)

Gate-Body Leakage

IGSS

On-State Drain Current

ID(on)

Forward Transconductance

gfs

Diode Forward Voltage

VSD

Total Gate Charge

Gate-Source Charge

Qgs

8.3

Gate-Drain Charge

Qgd

8.6

Turn-On Delay Time

td(on)

Rise Time

Turn-Off Delay Time

td(off)

Fall Time

Input Capacitance

Ciss

2309

Output Capacitance

Coss

283

Reverse Transfer Capacitance

Crss

230

Notes

Pulse test: PW <= 300us duty cycle <= 2%.

Guaranteed by design, not subject to production testing.

VDS = -15 V, VGS = 0 V, f = 1 Mhz

rDS(on)

VDS = -15 V, RL = 2.1 Ω,

ID = -7 A,

VGEN = -10 V, RGEN = 6 Ω

VDS = -15 V, VGS = -4.5 V,

ID = -7 A

Drain-Source On-Resistance

Zero Gate Voltage Drain Current

Electrical Characteristics

IDSS

Static

VDS = VGS, ID = -250 uA

-1

VDS = 0 V, VGS = ±20 V

±10

VDS = -24 V, VGS = 0 V

-1

VDS = -24 V, VGS = 0 V, TJ = 55°C

-10

VDS = -5 V, VGS = -10 V

-20

VGS = -10 V, ID = -7 A

10.5

mΩ

VGS = -4.5 V, ID = -5.7 A

VDS = -15 V, ID = -7 A

IS = -2.1 A, VGS = 0 V

-0.77

Dynamic

LP4437T1G

2/5

Leshan Radio Company, LTD.

Symbol

Maximum

Units

Notes

Surface Mounted on 1” x 1” FR4 Board.

Pulse width limited by maximum junction temperature

t <= 10 sec

Steady State

RθJA

THERMAL RESISTANCE RATINGS

°C/W

Parameter

Maximum Junction-to-Ambient

Rev.A Nov. 2019

LP4437T1G Datasheet(PDF) 2 Page - Leshan Radio Company

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