Datasheet > LM555-MIL

LM555-MIL

更新时间： 2022-10-12 16:34:18

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LM555-MIL Timer

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LM555-MIL 数据手册

LM555

www.ti.com

SNAS548C –FEBRUARY 2000–REVISED MARCH 2013

(1) (2)

Electrical Characteristics

(T_A= 25°C, V_CC= +5V to +15V, unless otherwise specified)

Limits

Parameter

Test Conditions

LM555C

Typ

Units

Min

Max

Supply Voltage

Supply Current

4.5

V_CC= 5V, R_L= ∞

V_CC= 15V, R_L= ∞

(3)

(Low State)

Timing Error, Monostable

Initial Accuracy

Drift with Temperature

R_A= 1k to 100kΩ,

ppm/°C

(4)

C = 0.1μF,

Accuracy over Temperature

Drift with Supply

1.5

0.1

%/V

Timing Error, Astable

Initial Accuracy

2.25

150

Drift with Temperature

R_A, R_B= 1k to 100kΩ,

ppm/°C

(4)

C = 0.1μF,

Accuracy over Temperature

Drift with Supply

3.0

0.30

0.667

%/V

x V_CC

Threshold Voltage

Trigger Voltage

V_CC= 15V

V_CC= 5V

1.67

0.5

0.1

Trigger Current

Reset Voltage

0.9

μA

0.4

Reset Current

0.4

0.25

μA

(5)

Threshold Current

Control Voltage Level

V_CC= 15V

V_CC= 5V

2.6

3.33

Pin 7 Leakage Output High

100

(6)

Pin 7 Sat

Output Low

V_CC= 15V, I₇= 15mA

V_CC= 4.5V, I₇= 4.5mA

V_CC= 15V

180

Output Low

200

Output Voltage Drop (Low)

I_SINK= 10mA

I_SINK= 50mA

I_SINK= 100mA

I_SINK= 200mA

V_CC= 5V

0.1

0.4

0.25

0.75

2.5

I_SINK= 8mA

I_SINK= 5mA

0.25

0.35

(1) All voltages are measured with respect to the ground pin, unless otherwise specified.

(2) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for

which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical

specifications under particular test conditions which ensures specific performance limits. This assumes that the device is within the

Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication

of device performance.

(3) Supply current when output high typically 1 mA less at V_CC= 5V.

(4) Tested at V_CC= 5V and V_CC= 15V.

(5) This will determine the maximum value of R_A+ R_Bfor 15V operation. The maximum total (R_A+ R_B) is 20MΩ.

(6) No protection against excessive pin 7 current is necessary providing the package dissipation rating will not be exceeded.

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