T2117 查看數據表（PDF） - Atmel Corporation

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T2117

Zero-voltage Switch with Adjustable Ramp

Atmel Corporation 

9. Electrical Characteristics

-VS = 8.8 V, Tamb = 25° C, reference point pin 7, unless otherwise specified

Parameters

Test Conditions

Pin Symbol

Min.

Typ.

Max.

Unit

Supply-voltage

limitation

Supply current

Voltage limitation

Synchronization

current

-IS = 1 mA

-IS = 10 mA

I8 = ±1 mA

5

-VS

-VS

9.0

9.1

9.5

9.6

10.0

10.1

V

V

5

-IS

500

µA

8

±VI

7.7

8.2

8.7

V

8

±Isync

0.12

mA

Zero detector

8

±Isync

35

µA

VM= 230 V ~

Output pulse width

Rsync = 220 kΩ

6

tP

260

µs

Rsync = 470 kΩ

6

tP

460

µs

Output pulse current V6 = 0 V

6

-IO

100

mA

Comparator

Input offset voltage

Input bias current

Common-mode input

voltage

3, 4

±VI0

4

IIB

3, 4

-VIC

1

15

mV

1

µA

(VS - 1)

V

Threshold internal

reference

V3 = 0 V

4

-VRef

1.4

V

Ramp Generator, Figure 1-1 on page 2

-IS = 1 mA

Isync = 1 mA

Period

C1 = 100 µF

1

T

1.5

s

C2 = 2.2 µF

R4 = 100 kΩ

Final voltage

1

-V1

1.2

1.6

2.0

V

Initial voltage

1

-V1

7.2

7.6

8.0

V

Charge current

V2 = -VS, I8 = -1 mA

2

-I2

14

20

26

µA

8 T2117

4768B–INDCO–10/05

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