Datasheet CS8240YTFVA5 Datasheet (Cherry Semiconductor)

1

Features

■ Low Output Saturation

Voltage

0.22V at I

OUT

= 125mA

0.33V at I

OUT

= 225mA

■ Overmolded Package

■ On-Chip Flyback Diode

■ Fault Protection

Over voltage

Shutdown (32V, typ)

Thermal Shutdown

(165¡C, typ)

Short Circuit Limiting

(1.1A typ)

-50V Reverse Transient
Protection

60V Load Dump

Protection

Reverse Battery

■ Low Quiescent Current

(Off State)

■ ESD Protected

Package Options

5 Lead TO-220

Overmolded

CS8240

500mA High Side (PNP) Driver

with On-

Chip Flyback Diode

Description

Block Diagram

Absolute Maximum Ratings

The CS8240 is a fast, PNP high side
driver capable of delivering up to
500mA into a resistive or inductive
load in harsh automotive or industrial
environments. An internal flyback
diode clamp is incorporated for induc­tive loads. The input (V

IN

) is TTL and
CMOS compatible and has hysteresis to
minimize the effects of noise. When the
input is high, the output is on. When
the input is low, the output is off and
the supply voltage quiescent current is

very low (<1.0µA, typ). For device pro­tection, the CS8240 incorporates ther­mal shutdown, short circuit current
limiting, over voltage shutdown, and
reverse battery protection. The CS8240
can withstand supply voltage tran­sients of 60V (min) and -50V.

The CS8240 is available in an overmold­ed 5 lead TO-220 package and is a com­petitive replacement for the LM-1921,
LM-1951, LM-1952, MC-3399, and L-9350.

CS8240

Supply Voltage.....................................................................................6V to +26V

Overvoltage Protection....................................................................................60V

Reverse Voltage ........................................................................................-16V DC

.........................................................................................-50V Transient

Internal Power Dissipation .....................................................Internally limited

Logic Input Voltage ..........................................................................-0.3V to 7.0V

Junction Temperature Range.....................................................-40¡C to +150¡C

Storage Temperature Range ......................................................-55¡C to +165¡C

Lead Temperature Soldering

Wave Solder(through hole styles only).............10 sec. max, 260¡C peak

Electrostatic Discharge (Human Body Model) ............................................2kV

1V

CC

2 OUT
3NC
4 Gnd
5V

IN

1

A Company

¨

Rev. 1/27/98

Cherry Semiconductor Corporation

2000 South County Trail, East Greenwich, RI 02818

Tel: [phone] Fax: [phone]

Email: [e-mail]

Web Site: www.cherry-semi.com

V

CC

VIN

Overvoltage

Shutdown

Thermal

Shutdown

Current

Limit

Control

Circuit

Gnd

OUT

2

Electrical Characteristics: -40¡C ² T

A

² 125¡C, -40¡C ² TJ ² 150¡C, unless otherwise noted.

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT

CS8240

Package Lead Description

PACKAGE LEAD # LEAD SYMBOL FUNCTION

5 Lead TO-220

1VCCSupply voltage to IC. Supplies load current through

output PNP.

2 OUT Collector of output PNP, current to load is sourced

from this lead.

3 NC No connection.

4 Gnd Ground.

5VINInput voltage to control output. Logic high turns out-

put on. Logic low turns output off.

■ General Characteristics

Operating Supply Voltage 6.0 V
Quiescent Current V

CC

= 12V, V

IN ²VIN(LOW)

1 100 µA

V

IN ³VIN(HI)

, R

LOAD

= 50½,

6 ² V

CC

² 20V 16 30 mA

20V ² V

CC

² 24V 25 50 mA

■ Output Stage

Output Saturation Voltage V

IN ²VIN(HI)

, VCC= 6.0V,

I

LOAD

= 125mA 0.22 0.5 V

VCC= 14V, I

LOAD

= 225mA 0.33 0.7 V

Output Leakage Current Input ² V

IN(L)

, VCC= 12V, V

OUT

= 0V 1 150 µA

Negative Output Clamp I

CLAMP

= 100mA, VCC= 12V -18 -15.5 -12 V

Turn On Delay Time VCC= 12V, I

LOAD

= 150mA 5 20 us

Turn Off Delay Time VCC= 12V, I

LOAD

= 150mA 5 20 us

■ Input Stage

Input Voltage Logic = High, VCC= 12V Turn ON 0.8 1.45 V

Logic = Low, VCC= 12V Turn OFF 1.2 2.0 V

Input Current VIN= 5.5V 100 200 µA

VIN= 0.8V 15 50 µA

■ Protection Circuitry

Overvoltage Shutdown VIN³V

IN(HI)

26 32 V

Output Short Circuit Current VIN³V

IN(HI)

, VCC= 12V, V

OUT

= 0V 0.55 1.1 2.5 A

Thermal Shutdown 150 165 ¡C

3

CS8240

Typical Performance Characteristics

40

35

30

25

20

15

10

5

0

0 100 200 300 400 500 600

-40°C

+25°C

+125°C

I

OUT

(mA)

I

Q

(mA)

VCC = 12V

V

IN

³ 2.0V

1.20

1.10

1.00

0.80

0.70

0.60

0.50

0.40

0

0 100 200 300 400 500 600

-40°C

+25°C

+125°C

I

OUT

(mA)

V

SAT

(V)

0.90

0.30

0.20

0.10

VCC = 12V

V

IN

³ 2.0V

Output Saturation Voltage vs. I

OUT

Quiescent Current vs. I

OUT

12V

V

OUT

V

IN

0V

5V

0

1

23 4 5 678

(ms)

0V

Flyback Clamp CharacteristicsTurn-on Delay Time

12V

-15V

(ms)

V

OUT

V

IN

10

0V

5V

0

20

122144166188

IINvs. V

IN

Turn Off Delay Time

5V

V

IN

0V

12V

Load = 80W, 50mH

0V

V

OUT

-15V

5100

61728394

(ms)

60

50

ON

40

30

20

OFF

Input Current (mA)

10

0

0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

0

Input Voltage (V)

4

Circuit Description

Typical Application Circuits

CS8240

Solenoid Driver

V

CC

= 6.0V to 26.0V

Lamp Driver

Controlled High Side Switch

Input Stage

The input stage is a self biased band gap based circuit with a
positive going trip point of 1.45V (typ) and a negative going
trip point of 1.20V (typ) (250mV of hysteresis). When the input
voltage is below the positive trip point, the quiescent current
of the supply voltage line is less than 1µA, (typ). When the
input voltage exceeds the positive trip point (1.45V, typ), the
input stage Òwakes upÓ the rest of the CS8240 circuitry and
turns on the output stage.

Output Stage

The output stage is built around a high current PNP output
transistor. A control amplifier monitors the saturation voltage
of the output PNP and maintains a balance of low saturation
voltage and minimum base drive to the PNP for the given out-

put current. The base drive of the PNP is the dominant com­ponent of the quiescent current of the CS8240 and is depen­dent on the level of output current.

Short circuit protection (1.1A, typ) is also incorporated in the
output stage.

Protection Circuitry

In addition to the short circuit protection mentioned above,
the CS8240 also incorporates a thermal shutdown circuit
(165¡C, typ) and a high voltage shutdown circuit (33V, typ),
both of which cut off the drive to the PNP output transistor
when excessive current is drawn. Inherent in the design of the
CS8240 is transient protection to +60V and -50V on the supply
line. The CS8240 is ESD protected in excess of 2kV (Human
Body Model).

VCC*

0.1mF

5V
0V

1

5

2

CS8240

3

V

CC

0.1mF

V

BAT

V

IGNITION

1

2

CS8240

GE194

5

3

CS8240

LOAD

15kW

Part Number Description

CS8240YTFVA5 5 Lead Overmolded TO-220

Vertical

5

CS8240

Thermal Data 5 Lead TO-220 (Overmolded)

R

Q

JC

typ 4.0 ûC/W

R

Q

JA

typ 50 ûC/W

Package Specification

PACKAGE DIMENSIONS IN mm (INCHES)

Ordering Information

PACKAGE THERMAL DATA

Rev. 1/27/98

© 1999 Cherry Semiconductor Corporation

Cherry Semiconductor Corporation reserves the
right to make changes to the specifications without
notice. Please contact Cherry Semiconductor
Corporation for the latest available information.

5 Lead Overmolded TO-220 (TFVA) Vertical

10.3 (.405)

10.0 (.395)

.761 (.030)
.508 (.020)

15.6 (.614)

15.3 (.604)

3.17 (.125)

2.92 (.115)

7.18 (.283)

6.94 (.273)

3.30 (.130)

2.89 (.114)

10.4 (.409)

.94 (.037)
.69 (.027)

1.70 (.067)

6.80 (.268)

1.68 (.066) TYP

3.30 (.130)

3.05 (.120)

DIA

2.79 (.110)

2.54 (.100)

4.70 (.185)

4.44 (.175)

5.89 (.232)

3.10 (.122)

.56 (.022)
.36 (.014)

4.01

(.158)

8.05 (.317)

Note:
Leads maintain
a right angle
with respect to
the package
body to within
± .015².

3.18 (.125)

2.92 (.115)