3

Electrical Characteristics: continued

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

CS-3842B

CS-3843B

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX UNITS

Notes:

2. These parameters, although guaranteed, are not 100% tested

in production.

4. Gain defined as:

A =

; 0

≤ V

∆V

COMP

∆V

Sense

Package Pin Description

PACKAGE PIN #

PIN SYMBOL

FUNCTION

8L PDIP/SO

14L SO Narrow

1

1

COMP

Error amp output, used to compensate error amplifier

23

Error amp inverting input

3

5

Sense

Noninverting input to Current Sense Comparator

4

7

OSC

Oscillator Timing Network with Capacitor to Ground, resistor

5

8

Gnd

Ground

9

Pwr Gnd

Output driver Ground

610

Output drive pin

11

Output driver positive supply

712

Positive power supply

814

Output of 5V internal reference

2,4,6,13

NC

No Connection

s Output Section: continued

Rise Time

50

150

ns

Fall Time

50

150

ns

Output Leakage

-0.01

-10.00

µA

s Total Standby Current

Start-Up Current

0.3

0.5

mA

Operating Supply Current

11

17

mA

34

V

s Under-Voltage Lockout Section

Start Threshold

14.5

16.0

17.5

7.8

8.4

9.0

V

Min. Operating

After Turn On

8.5

10.0

11.5

7.0

7.6

8.2

V

Voltage