Datasheet > IP1842J-BSS2

IP1842J-BSS2

更新时间： 2022-01-19 23:20:00

品牌	Logo	应用领域
SEME-LAB		/
页数	文件大小	规格书
6页	47K
描述
Current Mode Regulating Pulse Width Modulator

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IP1842J-BSS2 数据手册

IP1842 SERIES

IP1843 SERIES

ELECTRICAL CHARACTERISTICS (Over Full Operating Temperature Range unless otherwise stated)

IP1842/IP1843

IP2842/IP2843

IP3842

IP3843

Typ.

Parameter

Test Conditions

Min.

Typ.

Max.

Min.

Max. Units

CURRENT SENSE SECTION

Gain

See Notes 2,3

2.85

0.9

3.15

1.1

2.85

0.9

3.15

1.1

V/V

Maximum Input Signal

Supply Voltage

Rejection

V_PIN1= 4.6V

(Note 2)

V_C= 12V to 25V

Input Bias Current

Delay to Output

–2

–10

–2

–10

200

400

200

400

OUTPUT SECTION

_SINK= 20mA

0.1

1.5

13.5

0.4

2.2

0.1

1.5

13.5

0.4

2.2

Output Low Level

Output High Level

_SINK= 200mA

_SOURCE= 20mA

_SOURCE= 200mA

Rise Time

C_L= 1nF

T_J= 25°C

I_L= 1mA

150

1.1

150

1.1

Fall Time

UVLO Saturation

V_CC= 6V

0.7

UNDER–VOLTAGE LOCKOUT SECTION

Upper Threshold

1842 Series

7.8

8.4

14.5

7.8

8.5

8.4

17.5

(V_CC

Lower Threshold

(V_CC

)

1843 Series

1842 Series

8.2

11.5

8.2

)

1843 Series

7.6

TOTAL STANDBY CURRENT

Start–up Current

Operating Supply

Current

0.3

0.5

0.3

0.5

_PIN2= 0V

_PIN3= 0V

1842 Series

1843 Series

V_CCZener Voltage

I_CC= 25mA

NOTES

1. Test Conditions unless otherwise stated:

_CC= 15V* , R_T= 10k , C_T= 3.3nF , f = 52kHz.

2. Parameter measured at trip point of latch with

= 0V

PIN2

*Adjust V_CCabove start threshold before setting at

required level.

3. Gain defined as:

PIN1

A =

PIN3

0.8

All specifications apply over the full operating temperature

range unless otherwise stated.

PIN3

(See Ordering Information for further details).

Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.

E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk

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