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PT6313 Datasheet(PDF) 1 Page - Texas Instruments

Part No. PT6313
Description  2 AMP ADJUSTABLE POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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PT6313 Datasheet(HTML) 1 Page - Texas Instruments

   
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For assistance or to order, call (800) 531-5782
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.ti.com/powertrends
2 AMP ADJUSTABLE POSITIVE STEP-DOWN
INTEGRATED SWITCHING REGULATOR
PT6310
87% Efficiency
Adjustable Output Voltage
Internal Short Circuit Protection
Over-Temperature Protection
On/Off Control (Ground Off)
Small SIP Footprint
Wide Input Range
The PT6310 series is a High-
Performance 2 Amp, 12-Pin SIP
(Single In-line Package) Integrated
Switching Regulator (ISR) designed to
meet the on-board power conversion
needs of battery powered or other equip-
ment requiring high efficiency and
small size. This high performance ISR
offers a unique combination of features
combining 87% typical efficiency with
open-collector on/off control and ad-
justable output voltage.
Quiescent current in the shutdown
mode is typically less than 100µA.
Standard Application
C1 = Optional 1µF ceramic
C2 = Required 100µF electrolytic
Q1 = NFET
Ordering Information
PT6310! = +14.6 Volts
PT6311! = +15.5 Volts
PT6312! = +15.0 Volts
PT6313! = +8.0 Volts
Pin-Out Information
Pin
Function
1
Inhibit
(30V max)
2Vin
3Vin
4Vin
5
GND
6
GND
7
GND
8
GND
9Vout
10
Vout
11
Vout
12
Vout Adj
PT Series Suffix (PT1234X)
Case/Pin
Configuration
Vertical Through-Hole
N
Horizontal Through-Hole
A
Horizontal Surface Mount
C
PT6300
2,3,4
5,6,7,8
9,10,11
12
V
IN
COM
COM
V
OUT
C2
+
1
V
OADJ
INH
Q1
C1
Specifications
Characteristics
PT6310 Series
(T
a = 25
°C unless noted)
Symbols
Conditions
Min
Typ
Max
Units
Output Current
Io
Over Vin range
0.1*
2.0
A
Short Circuit Current
Isc
Vin = Vo + 5V
5.0
Apk
Input Voltage Range
Vin
0.1
≤ Io ≤ 2.0 A
Vo + 4
38**
V
Output Voltage Tolerance
∆Vo
Over Vin Range, Io = 2.0 A
±1.0
±2.0
%Vo
Ta = 0°C to +60°C
Line Regulation
Regline
Over Vin range
±0.25
±0.5
%Vo
Load Regulation
Regload
0.1
≤ Io ≤ 2.0 A
±0.25
±0.5
%Vo
Vo Ripple/Noise
Vn
Vin = Vin min, Io = 2.0A
±2
%Vo
Transient Response
ttr
50% load change
100
200
µSec
with Co = 100µF
Vos
Vo over/undershoot
5.0
%Vo
Efficiency
η
Vin=24V, Io = 2.0 A
87
%
Switching Frequency
ƒo
Over Vin and Io ranges
600
700
800
kHz
PT6312 only
500
550
600
kHz
Shutdown Current
Isc
Vin = 15V
100
µA
Quiescent Current
Inl
Io = 0A, Vin =10V
10
mA
Output Voltage
Vo
Below Vo
See Application Notes.
Adjustment Range
Above Vo
Absolute Maximum
Ta
-40
+85
°C
Operating Temperature Range
Recommendated Operating
Ta
Free Air Convection, (40-60LFM)
-40
+70
°C
Temperature Range
At Vin = 18V, Io = 2.0A
Thermal Resistance
θ
ja
Free Air Convection (40-60LFM)
30
°C/W
Storage Temperature
Ts
-40
+125
°C
Mechanical Shock
Per Mil-STD-883D, Method 2002.3, 1 msec,
500
G’s
Half Sine, mounted to a fixture
Mechanical Vibration
Per Mil-STD-883D, Method 2007.2,
20-2000 Hz,Soldered in a PC board
10
G’s
Weight
6.5
grams
* ISR will operate to no load with reduced specifications.
** Input voltage cannot exceed 30V when the inhibit function is used.
Note: The PT6310 requires a 100µF electrolytic or tantalum output capacitor for proper operation in all applications.
Pkg Style 200
Series
SLTS076
(Revised 8/17/99)


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