Datasheet > A4919

A4919

更新时间： 2022-05-14 22:19:46

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急速微 - ALLEGRO		/
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22页	956K
描述
Three-Phase MOSFET Driver with Integrated Regulator

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数据手册

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A4919 数据手册

Three-Phase MOSFET Driver

with Integrated Regulator

A4919

ELECTRICAL CHARACTERISTICS ^[1]: Valid at T_J= 25°C, V_BB= 7 to 50 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

SUPPLY AND REFERENCE

_BBFunctional Operating Range ^[2]

V_BB

Correct function, parameters not guaranteed

Operational mode, outputs low, V_BB= 12 V

5.5

–

I_BBQ

VBB Quiescent Current ^[3]

Sleep mode, V_BB= 12 V

(A4919x, No LDO, variant)

I_BBS

–

µA

V_BB> 9 V, I_REG= 0 to 15 mA

12.5

13.75

7.5 V < V_BB≤ 9 V, I_REG= 0 to 10 mA

VREG Output Voltage

V_REG

2×V_BB

– 3.0

6 V < V_BB≤ 7.5 V, I_REG= 0 to 9 mA

–

5.5 V < V_BB≤ 6 V, I_REG< 8 mA

8.5

0.4

1.5

9.5

0.7

2.2

–

I_D= 10 mA

1.0

3.1

Bootstrap Diode Forward Voltage

Bootstrap Diode Resistance

V_fBOOT

_D= 100 mA

r_D(100mA)= (V_fBOOT(150mA)– V_fBOOT(50mA)) /

100 (mA)

r_D

Bootstrap Diode Current Limit

GATE OUTPUT DRIVE

Turn-On Time

I_DBOOT

250

500

750

t_r

t_f

C_LOAD= 1 nF, 20% to 80%

C_LOAD= 1 nF, 80% to 20%

T_J= 25°C, I_GHx= –150 mA

T_J= 105°C, I_GHx= –150 mA

T_J= 25°C, I_GLx= 150 mA

T_J= 105°C, I_GLx= 150 mA

Bootstrap capacitor fully charged

–

Turn-Off Time

–

Pull-Up On Resistance

R_DS(on)UP

–

2.4

–

1.5

4.6

Pull-Down On Resistance

R_DS(on)DN

–

GHx Output Voltage – High

GHx Output Voltage – Low

V_GHH

V_GHL

V_GLH

V_GLL

V_Cx– 0.2

–

V_SX+ 0.3

GLx Output Voltage – High

V_REG– 0.2

–

GLx Output Voltage – Low

–

V_LSS+ 0.3

GHx Passive Pull-Down Resistance

GLx Passive Pull-Down Resistance

Turn-Off Propagation Delay ^[4]

Turn-On Propagation Delay ^[4]

R_GHPD

R_GLPD

t_P(off)

V_GHx– V_Sx< 0.3 V

400

–

kΩ

V_GLx– V_LSS< 0.3 V

–

Input change to unloaded gate output change

180

t_P(on)

Propagation Delay Matching – Phase

to Phase

∆t_PP

∆t_OO

Same phase change

Single phase

–

Propagation Delay Matching – On

to Off

Continued on the next page…

Allegro MicroSystems, LLC

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

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