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参数资料
| 型号： | PT6306B |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 5 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, SMA12 |
| 封装： | SIP-12 |
| 文件页数： | 1/6页 |
| 文件大小： | 337K |
| 代理商： | PT6306B |
24
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
Standard Application
C1 = Optional electrolytic (100F)
C2 = Required 100F electrolytic (No tantalum)
See capacitor application note on page 43.
3 AMP HIGH-PERFORMANCE
ADJUSTABLE ISR
PT6305
Series
Specifications
Characteristics
PT6305 SERIES
(T
A=25C unless noted)
Symbols
Conditions
Min
Typ
Max
Units
Output Current
Io
4.5
≤ Vin ≤ Vin MAX
0.3
—
3.0**
ADC
Current Limit
Icl
Vin = +5V
—
3.6
5.0
ADC
Short Circuit Current
Isc
Vin = +5V
—
5.0
—
Apk
Input Voltage Range
Vin
0.3A
≤ Io ≤ 3.0A
PT6305N
4.5
—
9
VDC
PT6306N
4.5
—
9
VDC
PT6307N
4.5
—
9
VDC
PT6308N
4.5
—
6.0
VDC
Static Voltage Tolerance
Vo
Vin = +5V, Io = 3.0A
PT6305N
3.2
3.3
3.4
VDC
0°C
≤ Ta ≤ +70°C
PT6306N
1.7
1.8
1.9
VDC
PT6307N
2.0
2.1
2.2
VDC
PT6308N
1.1
1.2
1.3
VDC
Line Regulation
Regline
4.5V
≤ Vin ≤ 5.5V, Io = 3.0A
—
±25
±50
mV
Load Regulation
Regload
Vin = +5V, 0.3 ≤ Io ≤ 3.0A
—
±25
±50
mV
Vo Ripple/Noise pk-pk
Vn
Vin = 5V, Io = 3.0A
—
66
—
mV
Transient Response
ttr
Io step between 1.5A and 3.0A
—
200
—
Sec
with C2 = 100F
Vos
Vo over/undershoot
—
200
—
mV
Efficiency
η
Vin = +5V, Io = 1.5A
PT6305N
—
85
—
%
PT6306N
—
74
—
%
PT6307N
—
77
—
%
PT6308N
—
63
—
%
Vin = +5V, Io = 3.0A
PT6305N
—
80
—
%
PT6306N
—
68
—
%
PT6307N
—
72
—
%
PT6308N
—
57
—
%
Switching Frequency
o
4.5
≤ Vin ≤ Vin MAX
500
650
800
KHz
0.3A
≤ Io ≤ 3.0A
Operating Temperature
Ta
Free Air Convection (40-60 LFM)
0
—
+70*
°C
Over Vin and Io Ranges
Thermal Resistance
θ
ja
Free Air Convection (40-60 LFM)
—
25
—
°C/W
Storage Temperature
Ts
—
-40
—
+125
°C
Mechanical Shock
Per Mil-STD-883D, Method 2002.3 Condition A, 1 msec, Half Sine,
—
500
G’s
mounted to a fixture
Mechanical Vibration
Per Mil-STD-883D, Method 2007.2 Condition A, 20-2000 Hz
—
15
G’s
Weight
—
11.2
—
grams
Relative Humidity
—
Non-condensing
0
—
95
%
*See Thermal Derating chart. **The PT6305 Series can be easily paralleled to provide output current in multiples of 3 amps. Please contact a Power Trends’ Application Engineer for the
appropriate application note. Note: The PT6305 Series requires a 100F electrolytic capacitor for proper operation in all applications.
VIN
(+)
COM
PT6305,6,7,8
5,6,7,8
9,10,11
COM
VOUT
(+)
C1
C2
VO Adjust
2,3,4
12
Ordering Information
PT6305
n = +3.3 Volts
PT6306
n = +1.8 Volts
PT6307
n = +2.1 Volts
PT6308
n = +1.2 Volts
(For dimensions, see page 66.)
Pin-Out Information
Pin No. Function
1
N/C
2
Vin
3
Vin
4
Vin
5
GND
6
GND
Pin No. Function
7
GND
8
GND
9
Vout
10
Vout
11
Vout
12
Adjust
(See page 40.)
Single-Device 5V to 3V Power
85% Efficiency
Small SIP Footprint:
0.36" x 2.00” x 0.60"(H)
Wide Input Voltage Range:
+4.5V to +9.0V
Internal Short Circuit Protection
Over-Temperature Protection
The PT6305N is Power Trends’
new high performance +5V to +3.3V, 3
Amp, 12-Pin SIP (Single In-line-
Package) Integrated Switching
Regulator (ISR). This high-perfor-
mance ISR allows easy integration of
low-power 3.3V logic IC’s into existing
5V systems without redesigning the
central power supply. Only one external
capacitor is required for proper
operation. The PT6306,7,8 can be used
to power high-speed data buses (+2.1V),
or the new GTL (+1.2V) logic buses.
PT Series Suffix (PT1234X)
Case/Pin
Heat Tab Configuration
Configuration
None
Side
Vertical Through-Hole
NR
Horizontal Through-Hole
AG
Horizontal Surface Mount
CB
(See Thermal Application Notes on page 44 for heat tab
application data.)
12
1
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| PT6305C | 5 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, SMA12 |
| PT6305N | 5 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, SMA12 |
| PT6308A | 5 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, SMA12 |
| PT6305B | 5 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, SMA12 |
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