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APL1088
500mA Low Dropout Linear Regulator
Features
* * * * * *
Output Voltage Accuracy 2.0% Line Regulation - 1mV (typ.) Load Regulation - 6mV (typ.) Input Voltage Range up to 9V Internal Current Limiting and Thermal Shutdown Protections SOT-89 and TO-92 Packages Available
General Description
The APL1088 is a 3-pin low dropout linear regulator with 2.0% accuracy of output voltage over line , load and temperature variations. The output current capability of APL1088 is over 500mA. Dropout voltage at 500mA output current is less than 1.5V(max). Both output current limiting and thermal shutdown are built in to provide maximal protection to the APL1088 against fault conditions. The over current and thermal shutdown circuits become active when the current exceed 500mA , or the junction temperature reach 150C. Normal operation is recovered when junction temperature drops below 130C.
Applications
* * * * * * *
Voltage Regulator for CD-ROM Drivers
VIN
Voltage Regulator for LAN Cards Voltage Regulator for mother Boards
1
APL1088
Vout 2 VOUT 3 VIN ADJ
Wireless Communication Systems Portable Instrument Portable Consumer Equipment Low Voltage Systems
ADJ
SOT-89 (Top View)
TO-92 (Top View)
Ordering Information
APL1088
Handling Code Temp. Range Package Code Package Code D : SOT-89 E : TO-92 Temp. Range C : 0 to 70 C Handling Code TR : Tape & Reel PB : Plastic Bag
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. A.1 - Dec., 2000 1 www.anpec.com.tw
APL1088
Block Diagram
VIN
Thermal Shutdown
+
-
Current Limit
VOUT
VREF
GND
Absolute Maximum Ratings
Symbol VIN IOUT TA TJ TSTG PD JA Input Voltage Output Current Operating Ambient Temperature Range Operating Junction Temperature Range Storage Temperature Range Power Dissipation Thermal Resistance Junction to Ambient Parameter Rating 9 0.75 0 to 70 -40 to +150 -65 to +150 Internal limited 180 Unit V A C C C mW C / W
Electrical Characteristics
Symbol VIN VOUT IOUT ISC IADJ ILMIN Parameter Input Voltage Output Voltage Short Circuit Current Adjustable Pin Current Minimum Load Current
(TA=25C, unless otherwise noted)
APL1088 Min. 2.75 1.225 500 1.0 60 2 1 6 120 10 6 12 Typ. 1.250 Max. 9 1.275
Test Conditions
Unit V V mA A uA mA mV mV
IOUT =10mA VOUT < 0.4V VIN =5V, No Load 2.75V VIN 9.00V, IOUT =10mA, VIN= 5V to 9V IOUT =1mA~500mA
2
Output Current Capability VOUT =3.3V, VOUT=2%
REGLINE Line Regulation REGLOAD Load Regulation
Copyright ANPEC Electronics Corp. Rev. A.1 - Dec., 2000
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APL1088
Electrical Characteristics cont.
Symbol Parameter
(TA=25C, unless otherwise noted)
APL1088 Min. Typ. Max. 1500 55 150 100 100
Test Conditions IOUT =500mA, VOUT=1% at 1kHz
Unit mV dB C Vrms ppm/C
VDROPOUT Dropout Voltage Power Supply Rejection PSRR Ratio Over Temperature OTS Shutdown EN Output Noise Output Voltage TC Temperature Coefficient
Application Schematic
Fixed 1.250V Output
VIN + CIN 1uF APL1088 + COUT1 0.1uF + COUT2 10uF VOUT
Programmable Output setting by External Resistors(R1 and R2)
VIN + C1 10uF
APL1088 R1 R2
VOUT + Solid Tantalum C2*
R1/(R1+R2)=V REF/V OUT
* Required for stability, APL1088 :C2=10F * R1 is typically in range of 100 to 120 to meet Imin requirement.
Copyright ANPEC Electronics Corp. Rev. A.1 - Dec., 2000
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APL1088
Typical Characteristics
Iout vs. Dropout Voltage
1.6 1.5 1.4
Iout vs. Load Regulation
8 7 6
VIN=5V
Load Regulation(mV)
0 100 200 300 400 500
1.3
5 4 3 2 1 0 100 200 300 400 500
Dropout Voltage
1.2 1.1 1 0.9 0.8
Output Current
Output Current
Input Voltage vs. Current limit
840 830 820
Input Voltage vs. Adjust Current
80 70
800
Adjust Pin Current (A)
9
810
60 50 40 30 20 10 0 0 2 4 6 8 10
Current Limit (mA)
790 780 770 760 750 740 730
4
5
6
7
8
Input Voltage (V)
Input Voltage (V)
Copyright ANPEC Electronics Corp. Rev. A.1 - Dec., 2000
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APL1088
Typical Characteristics
Vref vs. Ta
1.255 1.25 1.245
Load Regulation vs. Ta
6 4 2 0
Reference Voltage (V)
1.24 1.235 1.23 1.225 1.22 -50 -25 0 25 50 75 100 125 150
Load Regulation(mV)
-2 -4 -6 -8 -10 -12 -14 -50 -25 0
IOUT=0.5A
25 50
75
100 125 150
Tempeture (C)
Tempeture (C)
Dropout Voltage vs. Ta
1.5 1.45 1.4 1.35 1.3
Ilimit vs. Ta
850 800
IOUT=500mA
750 700
Dropout Voltage (V)
1.25 1.2 1.15 1.1 1.05 1 -50 -25 0 25 50 75 100 125 150
Current Limit (mA)
650 600
VIN=5V
550 500 -50 0 50 100 150
Tempeture (C)
Tempeture (C)
Copyright ANPEC Electronics Corp. Rev. A.1 - Dec., 2000
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APL1088
Typical Characteristics Cont.
Line Transient
50 40 30 7 6 5
10 5 0
Load Transient
1.75 1.5 1.25 1
Load Regulation (mV)
Line Regulation (mV)
20 10 0 -10 -20
VIN VOUT
-5 -10 -15 -20 -25 -30
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
4 3 2 1 0
Input Voltage (V)
IOUT
0.5 0.25 0 -0.25
0 0.2 0.4 0.6 0.8
1 1.2 1.4 1.6 1.8
2
Time (ms)
Time (ms)
Iadj vs. Ta
62 61 60 59 58 57 56 55
Custormer Service
Anpec Electronics Corp. Head Office : 5F, No. 2 Li-Hsin Road, SBIP, Hsin-Chu, Taiwan, R.O.C. Tel : 886-3-5642000 Fax : 886-3-5642050 Taipei Branch : 7F, No. 137, Lane 235, Pac Chiao Rd., Hsin Tien City, Taipei Hsien, Taiwan, R. O. C. Tel : 886-2-89191368 Fax : 886-2-89191369
Adjust Pin Current (A)
-50
0
50
100
150
Tempeture
Copyright ANPEC Electronics Corp. Rev. A.1 - Dec., 2000
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Load Current (A)
VOUT
0.75
APL1088
Package Information
TO-92
3 J e e1 2 1 L1 Q A L2 L SEATING PLANE E b2 S D
b S
Dim A b b2 D E e e1 J L L1 L2 Q S
Millimeters Min. Max. 4.58 5.33 0.41 0.41 4.96 3.94 2.42 1.15 3.43 12.70 1.27 6.35 2.93 2.42 2.66 0.53 0.48 5.20 4.19 2.66 1.39
Inches Min. 0.170 0.160 0.160 0.175 0.125 0.095 0.045 0.135 0.500 0.050 0.250 0 . 115 0.080 0.105 Max. 0.210 0.021 0.019 0.205 0.165 0.105 0.055
Copyright ANPEC Electronics Corp. Rev. A.1 - Dec., 2000
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APL1088
Package Information
SOT-89 (Reference EIAJ ED-7500A Reg stration SC-62)
D
D1
a E H 1 2 3
L B1 B e e1 C
A a
D im A B B1 C D D1 e e1 E H L
M illim e te rs M in . Max. 1 .4 0 1 .6 0 0 .4 0 0 .5 6 0 .3 5 0 .4 8 0 .3 5 0 .4 4 4 .4 0 4 .6 0 1 .3 5 1 .8 3 1 .5 0 B S C 3 .0 0 B S C 2 .2 9 2 .6 0 3 .7 5 4 .2 5 0 .8 0 1 .2 0 10
In c h e s M in . Max. 0 .0 5 5 0 .0 6 3 0 .0 1 6 0 .0 2 2 0 .0 1 4 0 .0 1 9 0 .0 1 4 0 .0 1 7 0 .1 7 3 0 .1 8 1 0 .0 5 3 0 .0 7 2 0 .0 5 9 B S C 0 .1 1 8 B S C 0 .0 9 0 0 .1 0 2 0 .1 4 8 0 .1 6 7 0 .0 3 1 0 .0 4 7 10
Copyright ANPEC Electronics Corp. Rev. A.1 - Dec., 2000
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APL1088
Physical Specifications
Te rm in a l M a te ria l L e a d S o ld era b ility P a c ka g in g S o ld er-P la te d C o p p e r (S o ld e r M a teria l : 9 0 /1 0 o r 6 3 /3 7 S n P b). M e e ts E IA S p ecifica tio n R S I8 6 -9 1 , A N S I/J-S T D -0 0 2 C a te g o ry 3. 1 0 0 0 d e v ic e s pe r re e l fo r S O T -8 9
Reflow Condition
(IR/Convection or VPR Reflow)
Reference JEDEC Standard J-STD-020A APRIL 1999
temperature Peak temperature 183 C Pre-heat temperature
Time
Classification Reflow Profiles
Convection or IR/ Convection Average ramp-up rate(183C to Peak) 3C/second max. 120 seconds max. Preheat temperature 125 25C) 60 ~ 150 seconds Temperature maintained above 183C Time within 5C of actual peak temperature 10 ~ 20 seconds Peak temperature range 220 +5/-0C or 235 +5/-0C Ramp-down rate 6 C /second max. 6 minutes max. Time 25C to peak temperature VPR 10 C /second max.
60 seconds 215~ 219C or 235 +5/-0C 10 C /second max.
Package Reflow Conditions
pkg. thickness 2.5mm and all bags Convection 220 +5/-0 C VPR 215-219 C IR/Convection 220 +5/-0 C pkg. thickness < 2.5mm and pkg. volume 350 mm pkg. thickness < 2.5mm and pkg. volume < 350mm Convection 235 +5/-0 C VPR 235 +5/-0 C IR/Convection 235 +5/-0 C
Copyright ANPEC Electronics Corp. Rev. A.1 - Dec., 2000
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APL1088
Reliability test program
Test item SOLDERABILITY HOLT PCT TST ESD Latch-Up Method MIL-STD-883D-2003 MIL-STD-883D-1005.7 JESD-22-B, A102 MIL-STD-883D-1011.9 MIL-STD-883D-3015.7 JESD 78 Description 245C , 5 SEC 1000 Hrs Bias @ 125 C 168 Hrs, 100 % RH , 121C -65C ~ 150C, 200 Cycles VHBM > 2KV, VMM > 200V 10ms , Itr > 100mA
Carrier Tape & Reel Dimensions
t E Po P P1 D
F W
Bo
Ao
D1
T2
Ko
J C A B
T1
Application SOT-89 Application SOT-89
A 178 1 F 5.5 0.05
B 70 2 D 1.5 0.1
C
J
T1 14 2 P1 2.0 0.1
T2 1.3 0.3 Ao 4.8 0.1
13.5 0.15 3 0.15 D1 1.5 0.1 Po 4.0 0.1
W 12 + 0.3 12 - 0.1 Bo 4.5 0.1
P 8 0.1 Ko
E 1.75 0.1 t
1.80 0.1 0.30.013
(mm)
Cover Tape Dimensions
Packag e C a rrie r W id th C o v e r Ta p e W id th S O T -8 9 12 9 .3
Copyright ANPEC Electronics Corp. Rev. A.1 - Dec., 2000
10
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