A2557ELB-T

更新时间： 2024-02-22 22:46:15

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器
页数	文件大小	规格书
12页	1519K
描述
PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION and SLEEP MODE

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A2557ELB-T 数据手册

2557

PROTECTED QUAD DRIVER

WITH FAULT DETECTION

& SLEEP MODE

ELECTRICAL CHARACTERISTICS over operating temperature range, V = 4.75 V to 5.25 V

Limits

Characteristic

Symbol

Test Conditions

V_O= 60 V, V_I= 0.8 V, V_OE= 2.0 V

V_O= 60 V, V_I= 2.0 V, V_OE= 0.8 V

I_O= 100 mA, V_I= V_OE= 0.8 V, V_CC= Open

I_O= 100 mA

Min. Typ. Max.

Units

µA

Output Leakage Current*

I_CEX

—

2.0

—

<1.0

—

100

—

Output Sustaining Voltage

Output Saturation Voltage

V_O(SUS)

V_O(SAT)

200

300

—

I_O= 300 mA

180

500

—

Over-Current Limit

Input Voltage

I_OM

V_IH

V_IL

I_IH

5 ms PulseTest, V_O= 5.0 V

IN_nor ENABLE

—

IN_nor ENABLE

—

0.8

Input Current

IN_nor ENABLE, V_IH= 2.0 V

IN_nor ENABLE, V_IL= 0.8 V

V_FLT= 60 V

—

µA

I_IL

—

-10

Fault Output Leakage Current

Fault Output Current

I_FLT

4.0

<1.0

V_FLT= 5 V

2.0

I_FLT

V_FLT= 5 V, Driver Output Open,

V_I= 0.8 V, V_OE= 2.0 V

—

0.1

1.2

1.5

—

0.4

1.7

2.1

—

µA

Fault Output Saturation Voltage

Clamp Diode Forward Voltage

V_FLT(SAT)

V_F

I_FLT= 30 µA

I_F= 500 mA

I_F= 750 mA

Clamp Diode Leakage Current

Turn-On Delay

I_R

V_R= 60 V

µA

µs

°C

t_PHL

I_O= 300 mA, 50% V_Ito 50% V_O

From Sleep, I_O= 300 mA, 50% V_Ito 50% V_O

I_O= 300 mA, 50% V_OEto 50% V_O

I_O= 300 mA, 50% V_Ito 50% V_O

I_O= 300 mA, 50% V_OEto 50% V_O

All Outputs Off

0.6

3.0

1.3

2.0

1.4

0.075

0.1

—

Turn-Off Delay

t_PLH

Total Supply Current

I_CC

Any One Output On

Two Outputs On

Three Outputs On

All Outputs On

Thermal Limit

T_J

165

Typical Data is at T_A= +25°C and V_CC= 5 V and is for design information only.

Negative current is defined as coming out of (sourcing) the specified terminal.

As used here, -100 is defined as greater than +10 (absolute magnitude convention) and the minimum is implicitly zero.

* Measurement includes output fault-sensing pull-down current.

www.allegromicro.com

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