AS1720A 查看數據表（PDF） - austriamicrosystems AG

零件编号

产品描述 (功能)

生产厂家

AS1720A

Solenoid / Valve Driver with Current Limitation

austriamicrosystems AG 

AS1720

Datasheet - Electrical Characteristics

6 Electrical Characteristics

VDDHV = 5V, VSS = 0V, Typical Values are at TAMB = +25ºC (unless otherwise specified). All limits are guaranteed. The parameters with min

and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods.

Table 4. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max Units

TAMB Operating Ambient Temperature

-40

+85

°C

TJ

Operating Junction Temperature

valid for AS1720A & AS1720B

-40

+125

°C

VDDHV

Supply Voltage Range

5

50

V

VDDA

Internal Supply

no load

3.1

3.3

3.5

V

IDD

Supply Current

1

2

mA

IOUT_E Output Energizing Current Range1

defined by RIE

(see Figure 10 on page 7)

10

100

mA

VIH

Digital Input Threshold

VIL

@ pin ENN

2

VDDA

V

VSS

1.2

VHYST

Hysteresis

@ pin ENN

200

mV

RPU

Pull-Up Resistor

@ pin ENN

100

kΩ

Delay Time

See Delay on page 6

136

ms

TSHDN Thermal Shutdown Temperature

∆TSHDN Thermal Shutdown Hysteresis

only valid for AS1720A

160

ºC

15

ºC

VOUT

Saturation Voltage, Sink1

IOUT = 100mA

0.6

1

V

k

Transfer Value

RIE = 12kΩ, VDDHV = 5V to 50V, OUT =

1V to 40V (see page 7)

1080

1200

1320

AΩ

IOUT_H

Output Hold Current Range1

defined by RIH

(see Figure 10 on page 7)

0.3 x

IOUT_E

0.7 x

IOUT_E

mA

only valid for AS1720B

Minimum Duty Cycle

15

20

25

%

Maximum Duty Cycle

83

90

95

%

Internal Duty Cycle

50

%

Vtrig

Trigger level to select internal

voltage divider

@ pin DUTY

VDDA

V

fPWM

PWM Frequency

25.5

30

34.5

kHz

1. The parameters are tested with proprietary test modes.

www.austriamicrosystems.com/Solenoid-Relay-Driver/AS1720 Revision 1.04

4 - 12

Share Link: