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参数资料
| 型号： | PT6511R |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 8 A SWITCHING REGULATOR, 725 kHz SWITCHING FREQ-MAX, PSMA14 |
| 封装： | SIP-14 |
| 文件页数： | 4/11页 |
| 文件大小： | 222K |
| 代理商： | PT6511R |
For technical support and further information, visit http://power.ti.com
PT6510 Series
8-A 5-V/3.3-V Input Adjustable ISR
with Short-Circuit protection
SLTS220 FEBRUARY 2004
Specifications (Unless otherwise stated, T
a =25 °C, Vin =5 V, Cin =330 F, Cout =330 F, and Io =Iomax)
PT6510 SERIES
Characteristic
Symbol
Conditions
Min
Typ
Max
Units
Output Current
Io
Over Vin range
0.1 (1)
—8
A
Input Voltage Range
Vin
Over Io Range
Vo ≥ 2.5 V
4.5 (2)
—6
Vo ≤ 1.8 V
3.1 (2)
—
6
VDC
Vo = 3.6 V
4.8 (2)
—6
Output Voltage Tolerance
Vo tol
Ta = –40 to +85 °C
Vo – 0.1
—
Vo + 0.1
V
Line Regulation
Regline
Over Vin range
±2
—
±10
mV
Load Regulation
Regload
Over Io range
±2
—
±10
mV
Efficiency
η
Io =3 A
Vo =3.3 V
—
92
—
Vo =2.5 V
—
89
—
Vo =1.8 V
—
83
—
%
Vo =1.5 V
—
80
—
Vo =1.2 V
—
75
—
Io =8 A
Vo =3.3 V
—
91
—
Vo =2.5 V
—
87
—
Vo =1.8 V
—
81
—
%
Vo =1.5 V
—
77
—
Vo =1.2 V
—
72
—
Vo Ripple (pk-pk)
Vr
20 MHz bandwidth
—
15
—
mVpp
Over-Current Threshold
Io trip
Reset, followed by auto-recovery
—
15
—
A
Transient Response
ttr
1 A/s load step, 50 % to 100 % Iomax
—
100
—
s
Vtr
Vo over/undershoot
—
±150
—
mV
Switching Frequencys
Over Vin and Io range
475
550
725
kHz
On/Off Standby (Pin 3)
Referenced to –Vin (pin 7)
Input High Voltage
VIH
—
Open (3)
V
Input Low Voltage
VIL
–0.1
—
+0.4
Input Low Current
IIL
—
–0.5
–
mA
Standby Input Current
Iin stbyPins 3 & 7 connected
—
1
5
mA
External Output Capacitance
Cout
See application schematic
330
—
5,000 (4)
F
External Input Capacitance
Cin
See application schematic
330 (5)
——F
Operating Temperature Range
Ta
Over Vin range
–40
—
+85 (6)
°C
Storage Temperature
Ts
—
–40
—
+125
°C
ReliabilityMTBF
Per Bellcore TR-332
6.4
—
106 Hrs
50 % stress, Ta =40 °C, ground benign
Mechanical Shock
—
Per Mil-Std-883D, method 2002.3,
—
500
—
G’s
1 ms, half-sine, mounted to a fixture
Mechanical Vibration
—
Per Mil-Std-883D, method 2007.2,
—10
—
G’s
20-2000 Hz
Weight
—
Suffixes N, A, & C
—
12.5
—
Suffixes R, G & B
—
16.5
—
Suffix H
—
18.5
—
grams
Suffix L
—
15.5
—
Suffix F
—
22
—
Flammability—
Materials meet UL 94V-0
Notes:
(1) The ISR will operate at no load with reduced specifications.
(2) The minimum input voltage required by the part is Vout + 1.2 V, or 3.1 V, whichever is greater.
(3) The STBY* control (pin 3) has an internal pull-up and if it is left open circuit the module will operate when input power is applied. The open-circuit
voltage is the input voltage, Vin. Refer to the application notes for other interface considerations.
(4) The module requires a 330 F output capacitor for proper operation in all applications. For transient or dynamic load applications, additional output
capacitance (Cout) may be necessary. The maximum allowable output capacitance is 5,000 F.
(5) In addition, the input capacitance (Cin) must be rated for a minimum of 1.2 Arms ripple current rating. For more information consult the related
application note on capacitor recommendations.
(6) See Safe Operating Area curves or contact the factory for the appropriate derating.
(7) The tab pins on the 16-pin mount package types (suffix L) must be soldered. For more information see the applicable package outline drawing.
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