AIMTRON AT1202

AT1202
Preliminary Product Information
High Voltage Linear Regulator
Features
• ±2% Output Accuracy
• 12µA Quiescent Current
• Shutdown Current <1µA
• High Output Voltage: Up to 28V
• 30mA Output Current
• Tiny SOT-25 Package
General Description
The AT1202 is high voltage, micropower linear
regulator. Key feature include wide input voltage,
low-noise, low-dropout and low-quiescent-current.
The output voltage precision is within ±2﹪and
output currents of up to 30mA.
Applications
• Microcontroller Power
• Notebook Computers
• Battery Operating system
Block Diagram
Aimtron reserves the right without notice to change this circuitry and specifications.
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
2/8/2006 REV:1.1
Email: service@aimtron.com.tw
1
AT1202
Preliminary Product Information
High Voltage Linear Regulator
Pin Assignment
Ordering Information
Part number
AT1202X
AT1202X_GRE
Package
SOT-25
SOT-25, Green
Marking
Date Code
,Date Code with one bottom line
: Date Code
*For more marking information, contact our sales representative directly
Pin Description
Pin No.
Symbol
I/O
1
2
3
4
5
VIN
GND
OUT
FB
/SHDN
P
P
O
I
I
Description
Power Supply
Ground
Regulator Output
Feedback Input
Shutdown input, active low.
Absolute Maximum Ratings
Item
Symbol
Ratings
Units
Storage temperature
Operating temperature
VIN
/SHDN,FB
OUT
Power consumption
TSTG
TOPR
-55〜+150
-30〜+85
-0.3〜+30
-0.3〜+(VIN+0.3)
-0.3V〜+30
570
℃
℃
V
V
V
mW
Pd*1
*1. Continuous Power Dissipation derate 7.1mW/℃ above +70℃
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
2/8/2006 REV:1.1
Email: service@aimtron.com.tw
2
AT1202
Preliminary Product Information
High Voltage Linear Regulator
Electrical Characteristics
(VIN=15V, /SHDN = VIN, ILOAD=5µA, Ta=TMIN to TMAX ,unless otherwise note. Typical Ta =250C)
Parameter
Input Voltage
Supply Current
Shutdown Supply Current
Feedback Reference
Feedback Input Current
Dropout Voltage
Symbol
IIN1
VFB
IFB
Unit
Min.
Typ.
Max.
4
-
28
V
/SHDN=VIN, Ta =250C
-
12
15
μA
/SHDN=VIN,VIN=6~28V,
Ta=TMIN to TMAX
-
-
20
μA
/SHDN=GND, Ta =250C
-
-
3
μA
-
-
5
μA
1.215
1.240
1.265
V
1.18
-
1.28
V
-10
12
30
nA
-
-
350
mV
VIN
IIN
Values
Condition
/SHDN=GND, Ta=TMIN to
TMAX
FB=OUT, Ta =250C
VIN=6V to 28V,ILOAD=1mA
FB=OUT, VIN=6V to 28V,
Ta=TMIN to TMAX
ILOAD=5μA to 30mA
VFB =1.3V
∆VDO ILOAD=30mA
Output Current Limit
VIN=6
-
100
-
mA
OUT Reverse Leakage
Current
Capacitive Load
Requirement
VIN=unconnected, OUT set
to 5V
-
80
-
μA
0.33
-
-
μF/mA
-
-
2
ms
-
0.5
-
%OUT
-1
-
1
μA
1.4
-
-
0.25
V
V
RL =500Ω,OUT set to 5V
COUT =10μF
RL =500Ω,COUT =10μF
OUT set to 5V with 90%
output
Start-Up Time Response
Start-Up overshoot
/SHDN Input Current
/SHDN Input Level
I/SHDN /SHDN=0 or 15V
VIH
VIL
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
2/8/2006 REV:1.1
Email: service@aimtron.com.tw
3
AT1202
Preliminary Product Information
High Voltage Linear Regulator
Typical Application Circuit
Fig1. AT1202 Typical Application Circuit
Fig2. Negatve Power supply
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
2/8/2006 REV:1.1
Email: service@aimtron.com.tw
4
AT1202
Preliminary Product Information
High Voltage Linear Regulator
Typical
Characteristics (COUT=10µF)
Fig1a. VOUT=5V Start-Up Response
Fig1b. VOUT=5V Transient
(CH1:/SHDN CH2:VOUT/30mA VIN=10V)
(CH1:VOUT CH2:IOUT )
Fig 2a. VOUT=15V Start-Up Response
Fig2b. VOUT=15V Transient
(CH1:/SHDN
CH2:VOUT/30mA VIN=20V)
(CH1:VOUT CH2:IOUT )
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
2/8/2006 REV:1.1
Email: service@aimtron.com.tw
5
AT1202
Preliminary Product Information
High Voltage Linear Regulator
Small Outline SOT-25
SYMBOL
A
A1
A2
b
C
D
E
E1
L
e
e1
r
INCHES
MIN
0.035
0.000
0.035
0.010
0.003
0.110
0.102
0.059
0.014
00
MAX
0.057
0.006
0.051
0.020
0.008
0.122
0.118
0.069
0.022
0.037ref
0.075ref
100
MILLIMETERS
MIN
MAX
0.90
1.45
0.00
0.15
0.90
1.30
0.25
0.50
0.08
0.20
2.80
3.10
2.60
3.00
1.50
1.75
0.35
0.55
0.95ref
1.90ref
00
100
NOTES
-
-
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
2/8/2006 REV:1.1
Email: service@aimtron.com.tw
6
AT1202
Preliminary Product Information
High Voltage Linear Regulator
Reflow Profiles
Profile Feature
Sn-Pb Eutectic Assembly
Large Body
Small Body
Pkg. thickness
Pkg. thickness
<2.5mm or Pkg.
≥2.5mm or Pkg.
3
volume ≥350mm3 volume <350mm
Average ramp-up rate
(TL to TP)
Preheat
-Temperature Min(Tsmin)
-Temperature Max (Tsmax)
-Time (min to max)(ts)
Tsmax to TL
-Ramp-up Rate
Time maintained above:
-Temperature (TL)
-Time (tL)
Peak Temperature(TP)
Time within 5°C of actual Peak
Temperature (tP)
Ramp-down Rate
Time
25°C
to
Peak
Temperature
3°C/second max.
Pb-Free Assembly
Large Body
Small Body
Pkg. thickness
Pkg. thickness
≥2.5mm or Pkg.
≥2.5mm or Pkg.
volume ≥350mm3 volume ≥350mm3
3°C/second max.
100°C
150°C
60-120 seconds
150°C
200°C
60-180 seconds
3°C/second max.
183°C
60-150 seconds
217°C
60-150 seconds
225+0/-5°C
10-30 seconds
240+0/-5°C
10-30 seconds
6°C/second max.
6 minutes max.
245+0/-5°C
10-30 seconds
250+0/-5°C
20-40 seconds
3°C/second max.
8 minutes max.
*All temperatures refer to topside of the package, measured on the package body surface.
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
2/8/2006 REV:1.1
Email: service@aimtron.com.tw
7