CS3341 datasheet(2/6 Pages) CHERRY

Part #	CS3341

Description	Alternator Voltage Regulator Darlington Driver

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Manufacturer	CHERRY [Cherry Semiconductor Corporation]

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Electrical Characteristics: CS3341/51: -40°C < TA < 125°C; -40°C < TJ < 150°C, 9V ≤ VCC ≤ 17V;

unless otherwise specified

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

s

Supply

Supply Current Enabled

–

12

25

mA

Supply Current Disabled

–

50

µA

s

Driver Stage

Device Driver

–

Output High Current

VDD = 1.2V

-10

-6

-4

mA

Output Low Voltage

IOL = 25µA

–

0.35

V

Minimum ON Time

200

µs

Minimum Duty Cycle

–

6

10

%

Short Circuit Duty Cycle

1

5

%

Field Switch Turn On

Rise Time

30

90

µs

Fall Time

30

90

µs

s

Stator

Input High Voltage

10

V

Input Low Voltage

–

6

V

Stator Time Out

High to Low

6

100

600

ms

Stator Power-Up Input High

CS3351/386 only

10

–

V

Stator Power-Up Input Low

CS3351/386 only

–

6

V

s

Lamp

Output High Current

VLAMP @ 3V

–

50

µA

Output Low Voltage

ILAMP @ 30mA

–

0.35

V

s

Ignition

Input High Voltage

ICC > 1mA

1.8

–

V

Input Low Voltage

ICC < 100µA

–

0.5

V

s

Oscillator

Oscillator Frequency

COSC = 0.22µF

65

325

Hz

Rise Time/Fall Time

COSC = 0.22µF

17

–

Oscillator High Threshold

COSC = 0.22µF

–

6

V

s

Battery Sense

Input Current

-10

+10

µA

Regulation Voltage

@25°C, R1 = 100kΩ, R2 = 50kΩ

13.5

16.0

V

Proportional Control

0.050

0.400

V

High Voltage

VHigh Voltage @ Lamp On

1.083

1.190

Threshold Ratio

VRegulation @ 50% Duty Cycle

High Voltage Hysteresis

0.020

0.600

V

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