Datasheet KA5M0365RN Specification

KA5x0365RN-SERIES

KA5M0365RN, KA5L0365RN
Fairchild Power Switch(FPS)

www.fairchildsemi.com

Features

• Precision Fixed Operating Frequency (67/50kHz)

• Low Start-up Current(Typ. 100uA)

• Pulse by Pulse Current Limiting

• Over Current Protection

• Over Voltage Protection (Min. 25V)

• Internal Thermal Shutdown Function

• Under Voltage Lockout

• Internal High Voltage Sense FET

• Auto-Restart Mode

Applications

• SMPS for VCR, SVR, STB, DVD & DVCD

• SMPS for Printer, Facsimile & Scanner

• Adaptor for Camcorder

Description

The Fairchild Power Switch(FPS) product family is specially
designed for an off-line SMPS with minimal external
components. The Fairchild Power Switch(FPS) consists of a
high voltage power SenseFET and a current mode PWM IC.
Included PWM controller integrates the fixed frequency
oscillator, the under voltage lock-out, the leading edge
blanking, the optimized gate turn-on/turn-off driver, the
thermal shutdown protection, the over voltage protection,
and the temperature compensated precision current sources
for the loop compensation and the fault protection circuitry.
Compared to a discrete MOSFET and a PWM controller or
an RCCsolution, a Fairchild Power Switch(FPS) can reduce
the total component count, design size and weight and at the
same time increase efficiency, productivity, and system
reliability. It has a basic platform well suited for the cost
effective design in either a flyback converter or a forward
converter

8-DIP

1.6.7.8 Drain 2.GND 3.Vcc 4.FB 5.NC

Internal Block Diagram

#3 V

CC

32V

µ

A

5

#4 FB

+

7.5V

27V

©2003 Fairchild Semiconductor Corporation

−

+

−

5V

Vref

OSC

9V

1mA

2.5R
1R

OVER VOLTAGE S/D

−

+

Thermal S/D

L.E.B

0.1V

Good

logic

S

R

Internal

bias

Q

S

R

Power on reset

#1,6,7,8

SFET

Q

DRAIN

#2 GND

Rev.1.0.6

KA5X0365RN-SERIES

Absolute Maximum Ratings

(Ta=25°C, unless otherwise specified)

Characteristic Symbol Value Unit

KA5M0365RN, KA5L0365RN

Drain-Gate Voltage (R

=1MΩ)V

GS

Gate-Source (GND) Voltage V

Drain Current Pulsed

(1)

I

Continuous Drain Current (Ta=25°C) I

Continuous Drain Current (Ta=100°C) I

Single Pulsed Avalanche Energy

Maximum Supply Voltage V

(2)

E

CC,MAX

Analog Input Voltage Range V

Total Power Dissipation

Derating 0.0125 W/°C

Operating Junction Temperature. T

Operating Ambient Temperature. T

Storage Temperature Range. T

DGR

GS

DM

D

D

AS

FB

P

D

J

A

STG

650 V

±30 V

3A

0.42 A

0.28 A

127 mJ

30 V

-0.3 to V

SD

1.56 W

+160 °C

-25 to +85 °C

-55 to +150 °C

DC

DC

DC

V

Note:

1. Repetitive rating: Pulse width limited by maximum junction temperature

2. L = 51mH, starting Tj = 25°C

3. L = 13µH, starting Tj = 25°C

2

KA5X0365RN-SERIES

Electrical Characteristics (SenseFET Part)

(Ta = 25°C unless otherwise specified)

Parameter Symbol Condition Min. Typ. Max. Unit

KA5M0365RN, KA5L0365RN

Drain-Source Breakdown Voltage BV

Zero Gate Voltage Drain Current I

Static Drain-Source on Resistance

Forward Transconductance

(Note)

(Note)

DSS

DSS

R

DS(ON)VGS

gfs VDS=50V, ID=0.5A 2.0 - - S

Input Capacitance Ciss

Reverse Transfer Capacitance Crss - 9 -

Turn On Delay Time td(on) V

Rise Time tr - 34 -

Turn Off Delay Time td(off) - 28.2 -

Fall Time tf - 32 -

Total Gate Charge
(Gate-Source+Gate-Drain)

Qg

Gate-Source Charge Qgs - 1.95 -

Gate-Drain (Miller) Charge Qgd 6.85

VGS=0V, ID=50µA 650 - - V

VDS=Max. Rating, VGS=0V - - 50 µA

=0.8Max. Rating,

V

DS

V

=0V, TC=125°C

GS

- - 200 µA

=10V, ID=0.5A - 3.6 4.5 Ω

- 314.9 -

=0V, VDS=25V,

V

GS

f=1MHz

=0.5BV

DD

DSS

, ID=1.0A

-11.2­(MOSFET switching
time is essentially
independent of
operating temperature)

V

=10V, ID=1.0A,

V

GS

=0.5BV

DS

(MOSFET

DSS

11. 93

switching time is
essentially independent of
operating temperature)

pFOutput Capacitance Coss - 47 -

nS

nC

Note:

1. Pulse test: Pulse width ≤ 300µS, duty ≤ 2%

2.

1

S

----=

R

3

KA5X0365RN-SERIES

Electrical Characteristics (Control Part) (Continued)

(Ta = 25°C unless otherwise specified)

Characteristic Symbol Test condition Min. Typ. Max. Unit

UVLO SECTION

Start Threshold Voltage V

Stop Threshold Voltage V

START

STOP

OSCILLATOR SECTION

Initial Accuracy F

Initial Accuracy F

Frequency Change With Temperature

(2)

OSC

OSC

--25°C≤Ta≤+85°C-±5 ±10 %

Maximum Duty Cycle Dmax 72 77 82 %

FEEDBACK SECTION

Feedback Source Current I

Shutdown Feedback Voltage V

FB

SD

Shutdown Delay Current Idelay Ta=25°C, 5V≤Vfb≤V

REFERENCE SECTION

Output Voltage

(1)

Temperature Stability

(1)(2)

Vref Ta=25°C 4.805.005.20 V

Vref/∆T-25°C≤Ta≤+85°C-0.30.6mV/°C

CURRENT LIMIT(SELF-PROTECTION)SECTION

Peak Current Limit I

OVER Max. inductor current 1.89 2.15 2.41 A

PROTECTION SECTION

Over Voltage Protection V

Thermal Shutdown Temperature (Tj)

(1)

OVP

T

SD

TOTAL STANDBY CURRENT SECTION

Start-up Current I

Operating Supply Current
(Control Part Only)

START

I

OP

VFB=GND 14 15 16 V

VFB=GND 8.499.6V

KA5M0365RN 61 67 73 kHz

KA5L0365RN 45 50 55 kHz

Ta=25°C, 0V<Vfb<3V 0.7 0.9 1.1 mA

Vfb>6.5V 6.9 7.5 8.1 V

SD

456µA

VCC>24V 25 27 29 V

- 140 160 -

VCC=14V - 100 170 µA

VCC<28 - 7 12 mA

C

°

Note:

1. These parameters, although guaranteed, are not 100% tested in production

2. These parameters, although guaranteed, are tested in EDS(water test) process

4

Typical Performance Characteristics(SenseFET part) (Continued)

(KA5M0365RN, KA5L0365RN)

KA5X0365RN-SERIES

1

10

0

10

V
Top : 15.0 V

10.0 V

8.0 V

7.0 V

6.5 V

6.0 V
Bottom : 5.5 V

GS

1

10

150℃

0

10

-55℃

25℃

, Drain Current [A]

D

I

-1

10

0

10

VDS, Drai n-Source Voltage [V]

Figure 1. Output Characteristics

8.0

7.5

7.0

6.5

6.0

5.5

[Ω ],

5.0

DS(ON)

R

4.5

4.0

3.5

Drain-Source On-Resistance

3.0

2.5
01234567

ID, Drain Current [A]

VGS = 20V

VGS = 10V

Note :※

1. 250µ s Pulse Test

2. T

= 25℃

C

1

10

Note : T※J = 25℃

, Drain Current [A]

D

I

-1

10

246810

VGS , Gate-Source Voltage [V]

Figure 2. Transfer Characteristics

1

10

0

10

, Reverse Drain Current [A]

DR

I

-1

10

0.2 0.4 0. 6 0.8 1.0 1.2 1.4

150℃

25℃

VSD , Source-Drain Voltage [V]

Note※

1. VDS = 50V

2. 250µ s Pulse Test

Note :※

1. VGS = 0V

2. 250µ s Pulse Test

Figure 3. On-Resistance vs. Drain Current Figure 4. Source-Drain Diode Forward Voltage

700

600

500

400

300

200

Capacitances [pF]

100

C

= Cgs + Cgd (Cds = shorted)

iss

= Cds + C

C

oss

gd

C

= C

rss

gd

C

iss

C

oss

C

rss

Note ;※

1. VGS = 0 V

2. f = 1 MHz

12

10

8

6

4

, Gate-Source Voltage [V]

GS

2

V

VDS = 130V

VDS = 325V

VDS = 520V

Note : I※D = 3.0 A

-1

10

0

10

1

10

VDS, Drain-Source Volt age [V]

Figure 5. Capacitance vs. Drain-Source Voltage

0

024681012

QG, Total Gate Charge [nC]

Figure 6. Gate Charge vs. Gate-Source Voltage

5

KA5X0365RN-SERIES

Typical Performance Characteristics (Continued)

( KA5M0365RN, KA5L0365RN)

1.15

1.10

1.05

1.00

, (Normalized)

DSS

0.95

BV

1. VGS = 0 V

0.90

Drain-Source Breakdown Voltage

-50 0 50 100 150

2. I

TJ, Junction Temperature [oC]

Figure 7. Breakdown Voltage vs. Temperature

1

10

0

10

-1

10

, Drain Current [A]

-2

D

I

10

Operation in Thi s Area
is Limit ed by R

DS(on)

DC

10 s

1 ms

10 ms

100 ms

1 s

Note :※

D

= 250 µ A

10 µs
100 µs

2.5

2.0

, (Normalized)

DS(ON)

R

1.5

1.0

Drain-Source On-Resistance

0.5

-50 0 50 100 150

TJ, Junction Temperature [oC]

Figure 8. On-Resistance vs. Temperature

0.5

0.4

0.3

0.2

, Drain Current [A]

D

I

0.1

Note :※

1. VGS = 10 V
= 1.5 A

2. I

D

-3

10

0

10

1

10

VDS, Drain-Source Volt age [V]

Figure 9. Max. Safe Operating Area

10

1

(t), Thermal Response

?JC

Z

0.1

1E-5 1E-4 1E-3 0.01 0.1 1 10 100 1000

2

10

D=0.5

0.2

0.1

0.05

0.02

0.01

single pulse

t1, Square Wave Pulse Duration [sec]

Figure 11. Thermal Response

0.0
25 50 75 100 125 150

TC, Case Temperature [? ]

Figure 10. Max. Drain Current vs. Case Temperature

? Notes :

1. Z

(t) = 80 ? /W Max.

?JC

2. Duty Factor, D= t

3. TJM - TC = PDM * Z

1/t2

?JC

(t)

6

Typical Performance Characteristics (Control Part) (Continued)

(These characteristic graphs are normalized at Ta = 25°C)

KA5X0365RN-SERIES

Fig.1 Operating Frequency

1.2

1.15

1.1

1.05

Fos c

1

0.95

0.9

0.85

0.8

-25 0 25 50 75 100 125 150

Figure 1. Operating Frequency

Fig.3 Operating Current

1.2

1.15

1.1

1.05

Iop

1

0.95

0.9

0.85

0.8

-25 0 25 50 75 100 125 150

1.15

1.05

Ifb

0.95

0.85

Fig.2 Feedback Source Current

1.2

1.1

1

0.9

0.8

-25 0 25 50 75 100 125 150

Figure 2. Feedback Source Current

Fig.4 Max Inductor Current

1

-25 0 25 50 75 100 125 150

Ipe ak

I

over

1.1

1.05

0.95

0.9

0.85

0.8

Figure 3. Operating Supply Current

Fig.5 Start up Current

-25 0 25 50 75 100 125 150

Istart

1.5

1.3

1.1

0.9

0.7

0.5

Figure 5. Start up Current

Figure 4. Peak Current Limit

Fig.6 Start Threshold Voltage

1.15

1.1

1.05

Vs ta rt

1

0.95

0.9

0.85

-25 0 25 50 75 100 125 150

Figure 6. Start Threshold Voltage

7

KA5X0365RN-SERIES

Typical Performance Characteristics (Continued)

(These characteristic graphs are normalized at Ta = 25°C)

Fig.7 Stop Threshold Voltage

1.15

1.1

1.05

Vs to p

1

0.95

0.9

0.85

-25 0 25 50 75 100 125 150

Figure 7. Stop Threshold Voltage

1.2

1.15

1.1

1.05

Vz

0.95

0.9

0.85

0.8

Fig.9 Vcc Zener Voltage

1

-25 0 25 50 75 100 125 150

Dmax

Fig.8 Maximum Duty Cycle

1.15

1.1

1.05

1

0.95

0.9

0.85

-25 0 25 50 75 100 125 150

Figure 8. Maximum Duty Cycle

Fig.10 Shutdown Feedback Voltage

1.15

1.1

1.05

Vs d

1

0.95

0.9

0.85

-25 0 25 50 75 100 125 150

Figure 9. V

Zener Voltage

CC

Fig.11 Shutdown Delay Current

1.2

1.15

1.1

1.05

Idelay

1

0.95

0.9

0.85

0.8

-25 0 25 50 75 100 125 150

Figure 11. Shutdown Delay Current

Figure 10. Shutdown Feedback Voltage

Fig.12 Over Voltage Protection

1.15

1.1

1.05

Vovp

1

0.95

0.9

0.85

-25 0 25 50 75 100 125 150

Figure 12. Over Voltage Protection

8

Typical Performance Characteristics (Continued)

(These characteristic graphs are normalized at Ta = 25°C)

KA5X0365RN-SERIES

1.15

1.1

1.05

Vs s

1

0.95

0.9

0.85

-25 0 25 50 75 100 125 150

Figure13. Soft Start Voltage

Fig.13 Soft Start Voltage

Fig.14 Drain Source Turn-on

Resistance

2.5

2

1.5

()

Rdson

1

0.5

0

-25 0 25 50 75 100 125 150

Figure 14. Static Drain-Source on Resistance

9

KA5X0365RN-SERIES

Package Dimensions

8-DIP

10

Ordering Information

KA5X0365RN-SERIES

Product Number Package Marking Code BV

DSS

F

OSC

R

DS(on)

KA5M0365RN 8-DIP 5M0365R 650V 67kHz 3.6Ω

KA5L0365RN 8-DIP 5L0365R 650V 50kHz 3.6Ω

11

KA5X0365RN-SERIES

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:

1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with

2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.

instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.

www.fairchildsemi.com

12/9/03 0.0m 001

 2003 Fairchild Semiconductor Corporation

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