A3940KLPTR

更新时间： 2024-01-23 18:09:34

品牌	Logo	应用领域
急速微 - ALLEGRO		控制器
页数	文件大小	规格书
12页	591K
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数据手册

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A3940KLPTR 数据手册

3940

FULL-BRIDGE POWER

MOSFET CONTROLLER

ELECTRICAL CHARACTERISTICS: unless otherwise noted at T_A= -40°C to +135°C, T_J= -40°C to +150°C,

V_IN≤ V_BB= 7 V to 40 V, C_p= 0.47 µF, C_r= 1 µF, C_REG5= 0.1 µF, C_REG13= 10 µF, C_BOOT= 0.1 µF, PWM = 22.5 kHz

square wave.

Limits

Characteristics

Power Supply

Symbol

Conditions

Min

Typ

Max

Units

V_BBQuiescent Current

I_BB

RESET = 1, V_BB= V_IN= 40 V, V_IN≠ V_CP

coast, stopped, CP disabled, I_DEAD= 170 µA

–

4.8

4.3

7.0

RESET = 1, V_BB= V_IN= 15 V, V_IN≠ V_CP

coast, stopped, CP disabled, I_DEAD= 170 µA

RESET = 1, V_BB= V_IN= 40 V, V_IN≠ V_CP, coast,

stopped, I_DEAD= 170 µA, I_CP= 0 mA

5.0

7.0

RESET = 1, V_BB= V_IN= 15 V, V_IN≠ V_CP, coast,

stopped, I_DEAD= 170 µA, I_CP= 0 mA

4.8

7.0

RESET = 1, V_BB= V_IN= 40 V, V_IN≠ V_CP, coast,

stopped, I_DEAD= 170 µA, I_CP= 15 mA

35.4

35.1

40.0

RESET = 1, V_BB= V_IN= 15 V, V_IN≠ V_CP, coast,

stopped, I_DEAD= 170 µA, I_CP= 15 mA

RESET = 0

–

4.5

–

1.0

5.5

–

µA

VREG5 Output Voltage

VREG5 Line Regulation

VREG5 Load Regulation

VREG5 Short-Circuit Current

VCP Output Voltage Level

V_REG5

I_REG5M

V_CP

No load

5.0

I_REG5= 4.0 mA

I_REG5= 0 - 4.0 mA, V_BB= 40 V

V_BB= 40 V, V_REG5= 0

–

V_BB= 14 - 40 V, I_CP= 15 mA

V_BB= 7 V, I_CP= 15 mA

V_BB+9.5 V_BB+10.7 V_BB+11.8

11.7

–

13.8

VCP Gate Drive

I_CP

V_CP(PP)

t_up

SR = 1, MODE = 0, ENABLE = PWM

I_CP= 15 mA, V_BB= 14 V - 40 V

V_IN= V_CP, V_BB= 14 V - 40 V

V_IN= V_CP, V_BB= 7 V

–

VCP Output Voltage Ripple

VCP Pump-Up time

500

2.5

3.5

1.4

13.3

0.7

2.0

–

VREG13 Quiescent Input Current

VREG13 Output Voltage

I_REG13

V_REG13

V_REGDV

V_REG13

I_REG13M

t_sleep

RESET = 1, V_BB= V_IN= 40 V, coast, stopped

V_IN= 15 V, no load

–

12.6

–

14.0

–

VREG13 Dropout Voltage

VREG13 Line Regulation

VREG13 Load Regulation

VREG13 Short-Circuit Current

Go-to-Sleep Response Time

Wake-Up Response Time

I_REG13= 15 mA, V_IN= 11 V - 14 V

V_IN= 15 V - 40 V, I_REG13= 15 mA

V_IN= 40 V, I_REG13= 0 - 15 mA

V_IN= 40 V, V_REG13= 0 (pulse)

RESET = 0 to V_REG5= 4 V

RESET = 1 to V_REG13, UV cleared

–

µs

–

t_wake

1.4

–

NOTES: Typical Data is for design information only.

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

Continued next page …

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

1 2 345 6 7...12

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