CS3865CGDW16 datasheet(3/8 Pages) CHERRY

Part #	CS3865CGDW16

Description	High Performance Dual Channel Current Mode Controller with ENABLE

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Manufacturer	CHERRY [Cherry Semiconductor Corporation]

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3

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Note 1: Maximum package power dissipation limits must be observed.

Note 3: Adjust VCC above the Start-Up threshold before setting to 15V.

Note 4: This parameter is measured at latch trip point with VFB=0V.

Note 5: Comparator gain is defined as:

AV =

Note 6: These parameters are guaranteed by design but not 100% tested

in production.

Note 7: Low duty cycle pulse techniques are used during test to main-

tain junction temperature as close to ambient as possible: Tlow=0°C ;

Thigh=+70°C

∆V Compensation

∆V Current Sense

s

Current Sense Section

Current Sense Input

(Notes 4 and 5)

2.75

3.00

3.25

V/V

Voltage Gain

Maximum Current Sense

(Note 4)

430

480

530

mV

Input Threshold

Input Bias Current

-2.0

-10.0

µA

Propagation Delay

Current Sense Input to Output (Note 6)

150

300

ns

s

Output 2 Enable Pin

Enable Pin Voltage

High State

Output 2 enabled

3.5

VREF

V

Low State

Output 2 disabled

0.0

1.5

V

Low State Input Current

VIL= 0V

100

250

400

µA

s

Drive Outputs

Output Voltage

Low State

ISINK=20mA

0.1

0.4

V

ISINK=200mA

1.6

2.5

V

High State

ISOURCE=20mA

13.0

13.5

V

ISOURCE=200mA

12.0

13.4

V

Output Voltage with

VCC=6.0V, ISINK=1.0mA

0.1

1.1

V

UVLO Activated

Output Voltage Rise Time

CL=1.0nF (Note 6)

28

150

ns

Output Voltage Fall Time

CL=1.0nF (Note 6)

25

150

ns

s

Undervoltage Lockout Section

Start-Up Threshold

CS3865C

13

14

15

V

Minimum Operating Voltage

9.0

10.0

11.0

V

After Turn-On

Hysteresis

4V

s

Total Device

Start-Up Current

VCC=12V

0.6

1.0

mA

Operating Current

(Note 7)

20

25

mA

Power Supply Zener Voltage ICC=30mA

15.5

17.0

19.0

V

Electrical Characteristics: VCC = 15V, RT = 8.2kΩ, CT = 3.3nF, for typical values TA=25˚C, for min/max values TA is the operating

ambient temperature range that applies [Note 3].

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