參數(shù)資料
型號(hào)： PT6314C
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： 3 A SWITCHING REGULATOR, 550 kHz SWITCHING FREQ-MAX, SMA12
封裝： SIP-12
文件頁(yè)數(shù)： 1/8頁(yè)
文件大?。?/td> 521K
代理商： PT6314C
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
3 Amp Adjustable Positive Step-down
Integrated Switching Regulators
PT6300 Series
90% Efficiency
Adjustable Output Voltage
Internal Short Circuit Protection
Over-Temperature Protection
On/Off Control (Ground Off)
Small SIP Footprint
Wide Input Range
The PT6300 Series is a line of
High-Performance 3 Amp, 12-Pin SIP
(Single In-line Package) Integrated
Switching Regulators (ISRs) designed
to meet the on-board power conversion
needs of battery powered or other
equipment requiring high efficiency and
small size. This high performance ISR
family offers a unique combination of
features combining 90% typical effi-
ciency with open-collector on/off
control and adjustable output voltage.
Quiescent current in the shutdown
mode is typically less than 100A.
Standard Application
C1 = Optional 1F ceramic
C2 = Required 100F electrolytic (1)
Q1 = NFET
Ordering Information
PT6302
¨ = +5 Volts
PT6303
¨ = +3.3 Volts
PT6304
¨ = +12 Volts
PT6314
¨ = +1.5Volts
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 (5)
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
V
OUT
C2
+
1
V
OADJ
INH
Q1
C1
Pkg Style 200
SLTS031B
(Revised 9/30/2000)
Specifications
Characteristics
PT6300 SERIES
(T
a=25
°C unless noted)
Symbols
Conditions
Min
Typ
Max
Units
Output Current
Io
Over Vin range
0.1 (2)
—
3.0
A
Short Circuit Current
Isc
Vin = Vo + 5V
—
5.0
—
Apk
Input Voltage Range
Vin
0.1
≤ Io ≤ 3.0 A
Vo = 12V
16
—
30/38 (3)
(Note: inhibit function cannot
Vo = 5.0V
9
—
30/38 (3)
V
be used above 30V.)
Vo = 3.3V
9
—
26
Vo = 1.5V
9.0
—
17
Output Voltage Tolerance
Vo
Over Vin Range, Io = 3.0 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 ≤ 3.0 A
—
±0.25
±0.5
%Vo
Vo Ripple/Noise
Vn
Vin = Vin min, Io = 3.0 A
—
±2
—
%Vo
Transient Response
ttr
50% load change
—
100
200
Sec
with Co = 100F
Vos
Vo over/undershoot
—
5.0
—
%Vo
Efficiency
η
Vin=16V, Io = 0.5 A,
Vo = 12V
—
91
—
Vin=9V, Io = 0.5 A,
Vo = 5.0V
—
89
—
%
Vin=9V, Io = 0.5 A,
Vo = 3.3V
—
84
—
Vin=9V, Io =0.5A,
Vo = 1.5V
—
72
—
Switching Frequency
o
Over Vin and Io ranges,
Vo = 12V
600
750
900
Vo = 3.3V/5V
400
500
600
kHz
Vo = 1.5V
350
450
550
Shutdown Current
Isc
Vin = 15V
—
100
—
A
Quiescent Current
Inl
Io = 0A, Vin =10V
—
10
—
mA
Absolute Maximum
Ta
Over Vin range
-40
—
+85 (4)
°C
Operating Temperature Range
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
Notes:
(1) The PT6300 Series requires a 100F electrolytic or tantalum output capacitor for proper operation in all applications.
(2) The ISR will operate to no load with reduced specifications.
(3) Input voltage cannot exceed 30V when the inhibit function is used.
(4) See Thermal Derating charts.
(5) Consult the related application note for guidance on adjusting the output voltage.
相關(guān)PDF資料
PDF描述
PT6303N 3 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, SMA12
PT6304N 3 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, SMA12
PT6314A 3 A SWITCHING REGULATOR, 550 kHz SWITCHING FREQ-MAX, SMA12
PT6303CT 3 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, SMA12
PT6302N 3 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, SMA12
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