ANPEC APL1085 Service Manual

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APL1085

3A Low Dropout Fast Response Positive Adjustable Regulator and Fixed 3.3V

Features General Description

••

• Fast Transient Response

••

••

• Guaranteed Dropout Voltage at Multiple Cur-

••

rents

••

• Load Regulation : 0.05% Typ.

••

••

• Line Regulation : 0.03% Typ.

••

••

• Low Dropout Voltage : 1.2V Typ. at I

••

••

• Trimmed Current Limit : 3A Typ. at T

••

••

• On-Chip Thermal Limiting : 150 °C Typ.

••

••

• Standard 3-pin TO-220 , TO-252 and TO-263

••

=3A

OUT

=125 °C

J

Power Package

Applications

••

• Pentium

••

••

• PowerPC

••

••

• Low Voltage Logic Supplies

••

••

• Battery-Powered Circuitry

••

••

• Post Regulator for Switching Power Supply

••

TM

Processor Supplies

TM

Supplies

The APL1085 is a low dropout three-terminal adjust­able regulator with 3A output current capability. In
order to obtain lower dropout voltage and faster tran­sient response, which is critical for low voltage
applications, the APL1085 has been optimized. The
output available voltage range of adjustable version
is from 1.25~5.75V with an input supply below 7V ,
and the fixed 3.3V output voltage device is also
available.

Current limit is trimmed to ensure specified output
current and controlled short-circuit current. On-chip
thermal limiting provides protection against any com­bination of overload that would create excessive junc­tion temperatures.

The APL1085 is available in both the through-hole
and surface mount versions of the industry standard

Pin Description

TAB is V

OUT

3

2

1

V

IN

V

OUT

ADJ

Front View APL1085 TO-220 Package

V

IN

V

OUT

ADJ

TAB is V

OUT

3

2

1

Front View APL1085 TO-252 Package

V

IN

V

OUT

ADJ

TAB is V

OUT

3

2

1

Front View APL1085 TO-263 Package

ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.

Copyright  ANPEC Electronics Corp.
Rev. B.5 - Jun., 2003

www.anpec.com.tw1

APL1085

Ordering Information

APL1085 -

AP L1085:

AP L1085
XXXXX

Lead Free Code

Handling Code

Tem p. Range

Package C ode

Voltage Code

XXXXX

- D a te C od e

Package C ode

F : TO-220 G : TO-263
U : TO-252
Tem p. Range

C : 0 to 70 C
Handling Code

TU : Tube TR : Tape & Reel
Voltage Code :

33 : 3.3V Blank : Adjustable Version
Lead Free Code
L : Lead Free Device Blank : Original Device

AP L1085-33 :

°

33

AP L1085
XXXXX

XXXXX

- D a te C od e

Absolute Maximum Ratings

Symbol Parameter Rating Unit

V
T

T

STG

T

Input Voltage 7 V

I

Operating Junction Temperature Range

J

Control Section
Power Transistor

0 to 125

0 to 150
Storage Temperature Range -65 to +150
Lead Temperature (Soldering, 10 second) 260

L

C

°

C

°

C

°

Electrical Characteristics

V

V

REG

REG

I

LIMIT

I

Reference Voltage

REF

Output Voltage

OUT

Line Regulation

LINE

Load Regulation

LOAD

V

Dropout Voltage

D

Current Limit

Adjust Pin Current

ADJ

APL1085-3.3

APL1085

APL1085-3.3

APL1085

APL1085-3.3

1.5V≤(V
10mA≤ I
10mA≤ I
T

J

T

J

2.75V≤V

4.75V≤V
T

J

(V
V

I N

V

∆

(V

IN -VOUT

OUT

OUT

=0~125°C

=0~125°C, (Notes 1)

≤

IN

≤

IN

=25°C, (Notes 1)

=3V, 10mA≤ I

)

IN -VOUT

=5V, 0mA≤ I

=1% ,I

REF

=1.7V, T

)

IN -VOUT

T

(V

IN -VOUT

=3V, T

)

T
(V
T

=0∼

J

IN -VOUT

=3V, I

)

125°C

≤5.75V,

)

=0~125°C

3A, T

≤

≤

J

3A, 4.75V≤V

7V, I
7V, I

OUT

=

OUT

=

OUT

≤

OUT

=3A ,T

=10mA,

OUT

10mA,
0mA ,

3A

J

7V,

≤

IN

3A

≤

OUT

=0~125°C

C

=25°

J

125°C

=

J

C

=25°

J

125°C

=

J

APL1085Symbol Parameter Test Conditions

Unit

Min. Typ. Max.

1.225(-2%) 1.250 1.275(+2%) V

3.235(-2%) 3.300 3.365(+2%) V

0.03 0.2 %

%

0.05

0.05

0.3

0.5

1.3 1.4 V

4.5

3.5

5.0

4.0

6.0

5.0

6.5

5.5
60 120

µ

A

A

Copyright  ANPEC Electronics Corp.
Rev. B.5 - Jun, 2003

www.anpec.com.tw2

APL1085

Electrical Characteristics Cont.

APL1085Symbol Parameter Test Conditions

Unit

Min. Typ. Max.

∆

I

Adjust Pin Current

I

ADJ

Change APL1085

Minimum Load

LMIN

Current APL1085

I

Quiescent Current

Q

≤

3A

)≤5.75V,

)≤5.75V,

1.5V≤( V
10mA≤ I

1.5V≤( V
T

=0∼

J

V

I N

IN -VOUT

OUT

IN -VOUT

125°C

=5V 8 13 mA

0.2 5

210mA

APL1085-3.3

PSRR Ripple Rejection

L

Long -Term

S

F=120Hz, C
(V

IN -VOUT

T

=

J

)=3V, I

125°C,1000Hrs.

=22µF, Ta nt . ,

out

=3A

OUT

60 dB

0.03 1.0 %

Stability

V

N

θ

JC

RMS Output
Noise(% of V

Thermal
Resistance

OUT

T

C,10Hz? F? 10kHz

=25°

J

)

Control Circuitry/Power
Transistor

0.003 %

0.7/3.0

°

Junction to Case

NOTE 1: See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulations are

measured at a constant junction temperature by low duty cycle pulse testing.

Application Circuits

A

µ

C/

W

(2.75V~7V)

V

IN

V

(5V)

IN

10µ

10µ

C

*Required for stability
APL1085:C2=10µF
* R1 is typically in range of 100Ω to 120Ω

Copyright  ANPEC Electronics Corp.
Rev. B.5 - Jun, 2003

Typical Regulator

+

F

C

1

APL1085

+

Solid Tantalum
C

2*

(1.250V/ 3A)

V

OUT

5V to 3.3V Regulator

+

F

1

APL1085

+

R1

R2

R1/(R1+R2)=1.250V/3.3V

V

(3.3V/ 3A)

OUT

Solid Tantalum
C

2*

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APL1085

Typical Characteristics

Dropout Voltage vs Output Current

1.5

1.4

1.3

TJ= -50°C

1.2

1.1

1.0

0.9

0.8

Dropout Voltage (V)

0.7

TJ= 25°C

TJ=125°C

0.6

0.5
0 0.5 1 1.5 2 2.5 3

Output Current (A)

TJ=0°C

Short-Circuit Current vs Temperature

14

13

VIN-V

OUT (SHORT CIRCUIT)

=5V

12

11

10

9

8

7

Shout- Circuit Current (A)

6

5

4

-50 0 50 100 150

VIN-V

OUT(SHORT CIRCUIT)

=3.3V

Temperature (°C)

Load Regulation vs Temperature

0.10

∆

I =3A

0.05

0.0

-0.05

-0.10

-0.15

Output Voltage Deviation (%)

-0.20

-50 0 50 100 150

Temperature (°C)

Reference Voltage vs Temperature

1.275

1.270

1.265

1.260

1.255

1.250

1.245

1.240

1.235

Reference Voltage (V)

1.230

1.225

-50 0 50 100 150

Temperature (°C)

Copyright  ANPEC Electronics Corp.
Rev. B.5 - Jun, 2003

www.anpec.com.tw4

APL1085

Typical Characteristics (Cont.)

Minimum Load Current vs Temperature

5

4

3

2

1

Minimum Load Current (mA)

0

-50 0 50 100 150

Temperature (°C)

Adjust Pin Current vs Temperature

100

90

80

70

60

50

40

30

Adjust Pin Current (µA)

20

10

0

-50 0 50 100 150

Temperature (°C)

Ripple Rejection vs Frequency

90

80

70

60

50

40

30

VIN-V

20

Ripple Rejection (dB)

10

V

RIPPLE(p-p)

I

OUT

OUT

= 3A

= 3V

= 1V

0

10 100 1k 10k 100k

Frequency (Hz)

Maximum Power Dissipation*

20

18

16

14

12

10

8

6

Power (W)

4

2

0

50 70 90

110 130 150

Case Temperature (°C)

* as Limited by Maximum Jcnction Temperature

Copyright  ANPEC Electronics Corp.
Rev. B.5 - Jun, 2003

www.anpec.com.tw5

APL1085

Package Information

TO-220 ( Reference JEDEC Registration TO-220)

D

Q

R

E

L1

b

e

b1

e1

H1

A

F

L

c

J1

Millimeters Inches

Dim

Min. Max. Min. Max.

A 3.56 4.83 0.140 0.190

b1 1.14 1.78 0.045 0.070

b 0.51 1.14 0.020 0.045
c 0.31 1.14 0.012 0.045

D 14.23 16.51 0.560 0.650

e 2.29 2.79 0.090 0.110

e1 4.83 5.33 0.190 0.210

E 9.65 10.67 0.380 0.420

F 0.51 1.40 0.020 0.055

H1 5.84 6.86 0.230 0.270

J1 2.03 2.92 0.080 0.115

L 12.7 14.73 0.500 0.580

L1 3.65 6.35 0.143 0.250

R 3.53 4.09 0.139 0.161
Q 2.54 3.43 0.100 0.135

Copyright  ANPEC Electronics Corp.
Rev. B.5 - Jun, 2003

www.anpec.com.tw6

APL1085

Package Information

TO-252( Reference JEDEC Registration TO-252)

E

b2

L2

L1

A

C1

D

H

L

Dim

b

e1

D1

E1

Millimeters Inches

Min. Max. Min. Max.

C

A1

A 2.18 2.39 0.086 0.094

A1 0.89 1.27 0.035 0.050

b 0.508 0.89 0.020 0.035

b2 5.207 5.461 0.205 0.215

C 0.46 0.58 0.018 0.023

C1 0.46 0.58 0.018 0.023

D 5.334 6.22 0.210 0.245

D1 5.2 REF 0.205 REF

E 6.35 6.73 0.250 0.265

E1 5.3 REF 0.209 REF

e1 3.96 5.18 0.156 0.204

H 9.398 10.41 0.370 0.410

L 0.51 0.020

L1 0.64 1.02 0.025 0.040

L2 0.89 2.032 0.035 0.080

Copyright  ANPEC Electronics Corp.
Rev. B.5 - Jun, 2003

www.anpec.com.tw7

APL1085

b

0.020.039

c

0.045

0.055

0.090

0

0

Package Information

TO-263

E

L2

A

c2

D

L

L1

L3

e

b2
b

c

Dim

A 4.06 4.83 0.160 0.190

b2 1.14 1.399 0.045 0.055

c 0.38 TYP. 0.015 TYP.

2
D 8.64 9.65 0.340 0.380
E 9.66 10.299 0.380 0.405
e
L 14.60 15.88 0.575 0.625

L1 2.24 2.84
L2
L3 1.20 1.78 0.050 0.070

Copyright  ANPEC Electronics Corp.
Rev. B.5 - Jun, 2003

Min. Max. Min. Max.

0.51 0.992

1.14 1.40

Millimeters Inches

2.543 BSC. 0.100 BSC.

-2.92

-0.115

.11

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APL1085

Physical Specifications

Terminal Material Solder-Plated Copper (Solder Material : 90/10 or 63/37 SnPb), 100%Sn
Lead Solderability Meets EIA Specification RSI86-91, ANSI/J-STD-002 Category 3.

Reflow Condition (IR/Convection or VPR Reflow)

T

P

Ramp-up

T

L

Tsmax

Tsmin

Temperature

ts

Preheat

25

°

t 25 C to Peak

Classificatin Reflow Profiles

tp

Ramp-down

Time

Critical Zone

T

to T

L

P

t

L

Profile Feature Sn-Pb Eutectic Assembly Pb-Free Assembly

Average ramp-up rate
(T

to TP)

L

Preheat

- Temperature Min (Tsmin)

- Temperature Max (Tsmax)

- Time (min to max) (ts)

Time maintained above:

- Temperature (T

- Time (t

)

L

)

L

3°C/second max. 3°C/second max.

100°C
150°C

60-120 seconds

183°C

60-150 seconds

150°C
200°C

60-180 seconds

217°C

60-150 seconds

Peak/Classificatioon Temperature (Tp) See table 1 See table 2
Time within 5°C of actual

Peak Temperature (tp)
Ramp-down Rate

Time 25°C to Peak Temperature

10-30 seconds 20-40 seconds

6°C/second max. 6°C/second max.

6 minutes max. 8 minutes max.

Notes: All temperatures refer to topside of the package .Measured on the body surface.

Copyright  ANPEC Electronics Corp.
Rev. B.5 - Jun, 2003

www.anpec.com.tw9

APL1085

Classificatin Reflow Profiles(Cont.)

Table 1. SnPb Entectic Process – Package Peak Reflow Temperatures

Package Thickness Volume mm

<350

<2.5 mm
≥2.5 m m 225 +0/-5°C 225 +0/-5°C

240 +0/-5°C 225 +0/-5°C

3

Volume mm

≥≥≥≥350

3

Table 2. Pb-free Process – Package Classification Reflow Temperatures

Package Thickness Volume mm

<350

<1.6 m m

1.6 mm – 2.5 mm
≥2.5 mm 250 +0°C* 245 +0°C* 245 +0°C*

*Tolerance: The device manufacturer/supplier shall assure process compatibility up to and

including the stated classification temperature (this means Peak reflow temperature +0°C.
For example 260°C+0°C) at the rated MSL level.

260 +0°C* 260 +0°C* 260 +0°C*
260 +0°C* 250 +0°C* 245 +0°C*

3

Volume mm3

350-2000

Volume mm3

>2000

Reliability Test Program

Test item Method Description

SOLDERABILITY MIL-STD-883D-2003
HOLT MIL-STD-883D-1005.7
PCT JESD-22-B,A102
TST MIL-STD-883D-1011.9
ESD MIL-STD-883D-3015.7 VHBM > 2KV, VMM > 200V
Latch-Up JESD 78 10ms, 1tr > 100mA

245°C, 5 SEC
1000 Hrs Bias @125°C
168 Hrs, 100%RH, 121°C

-65°C~150°C, 200 Cycles

Carrier Tape & Reel Dimension

E

F

W

Copyright  ANPEC Electronics Corp.
Rev. B.5 - Jun, 2003

Po

P

P1

Ao

D

D1

t

Bo

Ko

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APL1085

Carrier Tape & Reel Dimension(Cont.)

J

C

A

T2

B

T1

Application

TO-252

Application

TO-263

A B C J T1 T2 W P E

330 ±3 100 ± 2 13 ± 0. 5 2 ± 0.5

F D D1 Po P1 Ao Bo Ko t

7.5 ± 0.1 1.5 +0.1 1.5± 0.25 4.0 ± 0.1 2.0 ± 0.1 6.8 ± 0.1 10.4± 0.1 2.5± 0.1 0.3±0.05

A B C J T1 T2 W P E

380±3 80 ± 2 13 ± 0. 5 2 ± 0.5 24 ± 42± 0.3

F D D1 Po P1 Ao Bo Ko t

11.5 ± 0.1 1.5 +0.1 1.5± 0.25 4.0 ± 0.1 2.0 ± 0.1 10.8 ± 0.1 16.1± 0.1 5.2± 0.1 0.35±0.013

Cover Tape Dimensions

Application Carrier Width Cover Tape Width Devices Per Reel

TO- 252
TO- 263

16 13.3 2500
24 21.3 1000

Customer Service

Anpec Electronics Corp.

Head Office :

5F, No. 2 Li-Hsin Road, SBIP,

Hsin-Chu, Taiwan, R.O.C.

Tel : [phone]

Fax : [phone]

Taipei Branch :

7F, No. 137, Lane 235, Pac Chiao Rd.,

Hsin Tien City, Taipei Hsien, Taiwan, R. O. C.

Tel : [phone]

Fax : [phone]

16.4 + 0.3

-0.2

2.5± 0.5

16+ 0.3

- 0.1

24 + 0.3

- 0.1

8 ± 0.1 1.75± 0.1

16 ± 0.1 1.75± 0.1

(mm)

Copyright  ANPEC Electronics Corp.
Rev. B.5 - Jun, 2003

www.anpec.com.tw11