Datasheet STIL02-P5 Datasheet (SGS Thomson Microelectronics)

®

STIL02-P5

A.S.D.

TM

Application Specific Discretes

MAIN APPLICATIONS

HIGH POWER DENSITY ADAPTER

■

HIGH END TV POWER SUPPLY

■

OPENED FRAME SMPS

■

FEATURES

Inrush current limitation circuit for off-line power

■

supply
Dual non-sensitive unidirectional switches in a

■

single package
Suitable when space and efficiency are critical

■

Active after short AC line drop out with a boost

■

converter

■ High repetitive forward and reverse off-state

voltage (700V)

BENEFITS

■ Low consumption (Ipt= 20mA)

■ High noise immunity:

(dV/dt> 500V/µs @ Tj=150°C)

■

Low reverse current losses

■

Integrated pilot driver of the power switches

■

Monolithic ASD™ planar technology for better
robustness and reliability

AC inrush current limiter

2

1

PENTAWATT HV2

(in line)

PIN OUT DESCRIPTION

Pin out

designation

L AC Line (switch1) 1

Pt1 Pilot of power switch 1 2

OUT Output

Pt2 Pilot of power switch 2 4

N AC Neutral (switch 2) 5

Description Position

(connected to Tab)

5

4

3

3

Fig. A1: Bloc Diagram.

STIL02-P5

DRIVER

NL

October 2002 - Ed: 3A

Pt 1
Pt 2

OUT

Fig. A2: Basic connection.

STIL02-P5

DRIVER

L

Pt 1
Pt 2

OUT

N

Ipt1

Ipt2

Ipt

Aux.
Supply

Main
converter

Ri

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STIL02-P5

Functional Description

The STIL02 isconnectedin parallel with the bridge diode and the inrush power resistor Ri (fig. A2). During
start up, the two unidirectional ASD™ power switches of the STIL02 are opened. The inrush current flows
through the diodes of the bridge and the external inrush power resistor Ri. Since the main converter turns
ON, the auxiliary power supply coupled with the main transformer, supplies the energy required to close
the two power switches of theSTIL02. At the normal state,the twobottom diodes of the bridgerectifier and
the two unidirectional switches of the STIL02 rectify the AC line current.

When the STIL02 isused with a PFC boostconverter, the inrush current circuitremains active after a short
ACline dropout(see fig.A5). Inthat configuration, since the AC line disappears,the PFCcontroller andthe
auxiliary power supply of the STIL turns OFF. The two switches of the STIL are opened. The output bulk
capacitorCb isdischarging and itis providingthe energy tothe mainconverter.When theAC line recovers,
the two switches remain opened and recharging inrush current of the capacitor Cb is deviated and limited
throughthe resistorRi. Whenthe capacitor ischarged, thePFC turnsON again and the twoswitches ofthe
STIL switch ON.

More details on the design and operation of the driver circuit of figure A5 can be found in the application
note “AN1600 - STIL: Inrush Current Limitation Device for Off-Line Power Converter”.

ABSOLUTE MAXIMUM RATINGS (Limiting value)

Symbol Parameter Value Unit

V

Dout

V

Rout

I

out(AV)

Repetitive forward (V
off-state voltage

Average on state current at the OUT terminal

) and reverse (V

Dout

Rout

)

Tj
Tj

(min)
(max)

to

Tj = 150°C

700 V

2A
(180° conduction angle for the internal power
switches)

I

out(RMS)

RMS on state current at the OUT terminal

Tj = 150°C

2.2 A
(180° conduction angle for the internal power
switches)

dI

I

TSM

2

t

I

out

Tstg

T

j

Non repetitive surge peak on-state current
(Tj initial = 25°C)

2

I

t value - rating for fusing tp = 10ms

Critical rate of rise of on state current

/dt

Ipt1 + Ipt2 = 20mA
Storage temperature range
Junction temperature range

tp = 10ms
sinusoidal

Tj = 25°C
Tj = 150°C

65 A

21 A

100

A/µs

-

-40 to +150 °C
0 to +150 °C

THERMAL PARAMETERS

Symbol Parameter Value Unit

Rth
Rth

(j-c)

(j-a)

Junction to case
Junction to ambient (minimum footprint)

2 °C/W

60

2

s

2/7

STIL02-P5

ELECTRICAL CHARACTERISTICS

Symbol Parameter Test conditions Min. Typ. Max. Unit

V
V

V
V

dV

I

Rout

I

Rout

Ipt1

+

Ipt2

(pt1)

D

(pt2)

D

(pt1)

R

(pt2)

R

Dout

Vt0

Rd

V

/dt

(off)

(on)

F

Driver trigger current V

Direct pilot trigger voltage V

= 12V (DC)

Dout

=30Ω

R

L

tp = 380µs

= 12V (DC)

Dout

=30Ω

R

L

Tj = 0°C
Tj = 25°C

Tj = 0°C
Tj = 25°C
Tj = 150°C

Peak reverse driver voltage Tj = 25°C

Dynamic voltage rising Linear slope up to

V

= 470V

Dout

Max reverse current without
driver current

V

= 700V

Rout

Ipt1 = Ipt2 = open

Tj = 150°C

Tj = 25°C
Tj = 150°C

Max reverse current with
driver current

Threshold direct voltage for

V

= 400V

Rout

Ipt1 = Ipt2 = 10mA
I

= 2A Tj = 150°C

out(AV)

Tj = 150°C

one power switch
Dynamic direct resistance for

I

= 2A Tj = 150°C

out(AV)

one power switch
Maximum instantaneous di-

I

out(AV)

= 2A Tj = 150°C
rect forward voltage drop for
one power switch

12 20 mA
10

0.6 0.85 1 V

0.8 0.95

0.2 0.45
8V

500 V/µs

5µA
300 µA
300 µA

0.7 0.8 V

70 100 mΩ

0.9 1.1 V

Power losses calculations

When the input current is sinusoidal, the conducted power losses can be calculated by using the following
formula:

PVI R

=+

.

T out av d

0

()

(

I

out av

()

2

π

×

)

8

If the output average current is 2Amps, VT0and Rd of the electrical characteristics table can be used. For
differentoutput current pleaserefer tothe application noteAN1600 thatprovides guidelines toestimate the
correct values of VT0and Rd.

LIGHTNING SURGE IMMUNITY (IEC61000-4-5)

During lightning surge transient voltage across the AC line, over current and over voltage stress are ap­pliedon allthe components of the powersupply. TheSTIL02 can sustain a maximumpeak surgecurrent of

500Aas defined by the combinewaveform generator (8/20µswaveform as shownin fig. A3 and A4).
Special recommendations for the lightning surge immunity:

1 - Check that the maximum peak surge current in the STIL stays below the limit specified above.
2 - Check that no over voltages are applied on the STIL and the bridge diode.
3 - In order to reduce the dynamic current stress (dI

/dt) through the structure of the STIL02, it is recom-

out

mended to connect a differential mode choke coil in front of the STIL and the bridge diode.

More details and design guidelines are provided in the application note “AN1600 - STIL: Inrush Current
Limitation Device for Off-Line Power Converter”.

3/7

STIL02-P5

Fig. A3: Surge test condition.

STIL02-P5

L

DRIVER

N

Pt 1

Pt 2

IOUT

OUT

VOUT

IOUT

5Vdc

0

Combine
generator

Fig. A4: Surge current waveform.

0 Amps

Fig. A5: Basic connection with a PFC Boost preregulator.

Ri

1

5 µs
80A/Div
I

OUT

Ipeak=500A

1

by pass diode

Bridge

Diode

STIL02-P5

L

DRIVER

N

Pt 1
Pt 2

OUT

R1
R2

C0

C2

C1

PFC

Control

R

Vout

Cb

4/7

STIL02-P5

Fig. 1-1: Non repetitive surge peak on-state cur-

rent (sinusoidal pulse) and corresponding value of

2

t.

I

I (A), I²t(A²s)TSM

1000.0

I

TSM

100.0

10.0

tp(ms)

1.0

0.01 0.10 1.00 10.00

T initial=25°C

j

I²t

Fig. 2: Relative variation of driver trigger current
versus junction temperature (typical values).

Ipt1 or Ipt2 [Tj] / Ipt1 or Ipt2 [Tj = 25°C]

1.4

1.3

1.2

1.1

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2
0 25 50 75 100 125 150

Tj(°C)

Fig. 1-2: Non repetitive surge peak on-state cur-

rent (sinusoidal pulse) and corresponding value of

2

t.

I

I (A), I²t(A²s)

TSM

1000.0

I

TSM

100.0

10.0

tp(ms)

1.0

0.01 0.10 1.00 10.00

T initial=150°C

j

I²t

Fig. 3: Relative variation of directpilot voltage ver­sus junction temperature (typical values).

VDpt1 orVDpt2 [Tj] /VDpt1 orVDpt2 [Tj = 25°C]

1.2

1.1

1.0

0.9

0.8

0.7

0.6

0.5

0.4
0 25 50 75 100 125 150

Tj(°C)

Fig. 4: Relative variation of thermal impedance

junction to case versus pulse duration.

K = [Zth(j-c)/Rth(j-c)]

1.E+00

tp(s)

1.E-01

1.E-03 1.E-02 1.E-01 1.E+00

Fig. 5-1: Reverse current versus junction

temperaturewithout driver current(typical values).

I OFF(µA)R(OUT)

1.E+02

1.E+01

1.E+00

1.E-01

1.E-02

Tj(°C)

1.E-03
0 25 50 75 100 125 150

P & P open

t1 t2

V =700V

R(out)

5/7

STIL02-P5

Fig. 5-2: Reverse current versus junction

temperature with driver current (typical values).

I ON(µA)

R(OUT)

100.0

I = I =10mA

pt1 pt2

V =400V

R(out)

10.0

Tj(°C)

1.0
0 25 50 75 100 125 150

Fig. 7-1: Peak forward voltage drop versus peak

forward output current for one power switch at
Tj=25°C (typical and maximal values).

I ON(A)OUT(peak)

5

T=25°C

j

4

3

Typical

Maximum

Fig. 6: Forward voltage drop for one power switch
versus junction temperature at the peak forward
current(typical values).

V (V)F

1.08

1.04

1.00

0.96

0.92

0.88

I =3A

out(peak)

Tj(°C)

0.84
0 25 50 75 100 125 150

Fig. 7-2: Peak forward voltage drop versus peak

forward output current for one power switch at
Tj=150°C (typical and maximum values).

I ON(A)OUT(peak)

5

T=150°C

j

4

3

Typical

Maximum

2

1

0

0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4

V (V)F

Fig. 8: Relative variation of dV/dt immunity versus

junction temperature (typical values).

DOUT DOUT

dV [Tj] / dV [Tj=150°C]

20
18
16
14
12
10

8
6
4
2
0

25 50 75 100 125 150

Tj(°C)

V =470V

Dout

2

1

0

0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4

V (V)F

6/7

PACKAGE MECHANICAL DATA

PENTAWATT HV2 (in line)

STIL02-P5

A

C

H2

L7

REF. DIMENSIONS

Millimeters Inches

Min. Max. Min. Max.

A 4.19 4.70 0.165 0.185
C 1.14 1.40 0.044 0.055

L6

D 2.5 2.72 0.098 0.107
E 0.38 0.51 0.015 0.020

D

L3

F 0.66 0.82 0.026 0.032

G 2.54 Typ. 0.10 Typ.

G2 7.62 Typ. 0.30 Typ.

E

H2 10.04 10.29 0.395 0.405

L3 23.5 Typ. 0.925 Typ.
L6 9.90 10.16 0.389 0.400

G

G2

F

L7 1.52 Typ. 0.059 Typ.

Order code Marking Package Weight Delivery mode Base qty

STIL02-P5 STIL02 PENTAWATT

1.9 g. Tube 50

HV2 (in line)

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change without notice. This publication supersedes and replaces all information previously supplied.
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