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参数资料
| 型号： | PT5110S |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 2.6 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, SMA3 |
| 封装： | VERTICAL MOUNT PACKAGE-3 |
| 文件页数： | 9/16页 |
| 文件大小： | 424K |
| 代理商： | PT5110S |
For technical support and more information, see inside back cover or visit www.ti.com
PT5100 Series
1-A Positive Step-down
Integrated Switching Regulator
Specifications (Unless otherwise stated, Ta =25°C, Vin =Vinmin, Cout =100F, and Io =Iomax)
PT5100 SERIES
Characteristic
Symbol
Conditions
Min
Typ
Max
Units
Output Current
Io
Over Vin range
0.1 (1)
—
1.0
A
Input Voltage Range
Vin
Over Io Range
Vo=3.3V
9
—
26
Vo=5.0V
9
—
38
VDC
Vo>5.0V
Vo + 4
—
38
Set Point Voltage Tolerance
Vo tol
—
±1±2%Vo
Temperature Variation
Regtemp
0°
≤Ta ≤ +60°C, Io =Iomin
—
±0.5
—
%Vo
Line Regulation
Regline
Over Vin range
—
±5
±10
mV
Load Regulation
Regload
Over Io range
—
±5
±10
mV
Total Output Voltage Variation
Votot
Includes set-point, line, load,
—
±1.5
±3
%Vo
0°
≤Ta ≤ +60°C
Efficiency
η
Vo = 15V
—
95
—
Vo = 12V
—
94
—
Vo = 10V
—
92
—
%
Vo =5.0V
—
90
—
Vo =3.3V
—
82
—
Vo Ripple (pk-pk)
Vr
20MHz bandwidth
—
2
—
%Vo
Transient Response
ttr
1A/s load step, 50% to 100% Iomax
—
100
200
s
Vtr
Vo over/undershoot
—
±5.0
—
%Vo
Current Limit
Ilim
Vo = –1%
1.2
2.6
—
A
Switching Frequency
s
Over Vin range
Vo≥ 5.0V
500
650
800
kHz
Vo ≤ 3.3V
575
725
875
External Output Capacitance
Cout
100
—
F
Operating Temperature Range
Ta
Over Vin range
–40 (2)
—
+85 (3)
°C
Thermal Resistance
θja
Free-air convection (40-60LFM)
Vo =3.3V
—
45
—
Vo =5.0V
—
50
—
°C/W
Vo ≥ 12V
—
60
—
Storage Temperature
Ts
—
–40
—
+125
°C
Reliability
MTBF
Per Bellcore TR-332
11.3
—
106 Hrs
50% stress, Ta =40°C, ground benign
Mechanical Shock
—
Per Mil-Std-883D, method 2002.3,
—
500
—
G’s
1mS, half-sine, mounted to a fixture
Mechanical Vibration
—
Per Mil-Std-883D, Method 2007.2
—
5 (4)
—G’s
20-2000Hz, soldered in PC board
Weight
—
Suffixes N, A, & C
—
4.5
—
grams
Suffixes L & M
—
6.5
—
Flammability
—
Materials meet UL 94V-0
Notes:
(1) The ISR will operate at no load with reduced specifications.
(2) For operation below 0°C, use a tantalum type capacitor for C2.
(3) See Thermal Derating curves.
(4) The tab pins on the 5-pin mount package types (suffixes L & M) must be soldered. For more information see the applicable package outline drawing.
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