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参数资料
| 型号： | PT7615N |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 20 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, SMA27 |
| 封装： | VERTICAL MOUNT PACKAGE-27 |
| 文件页数： | 2/8页 |
| 文件大小： | 197K |
| 代理商： | PT7615N |
For technical support and more information, see inside back cover or visit www.ti.com
20-A Programmable SIP Family
Input
Adjust
Output
Product
Voltage
Description
Method
Range
PT7709
5V
VID
5-Bit
1.3V– 3.5V
PT7708
3.3V
VID
4-Bit
1.3V– 2.05V
PT7615
5V
VID
5-Bit
1.075V–1.85V
PT7742
3.3V
Booster
—
PT7743
5V
Booster
—
PT7615—5V
20-A Low-Voltage Programmable
Integrated Switching Regulator
Programming Information
VID4=1
VID4=0
VID3 VID2 VID1 VID0
Vout
1111
1.075V
1.475V
1110
1.100V
1.500V
1101
1.125V
1.525V
1100
1.150V
1.550V
1011
1.175V
1.575V
1010
1.200V
1.600V
1001
1.225V
1.625V
1000
1.250V
1.650V
0111
1.275V
1.675V
0110
1.300V
1.700V
0101
1.325V
1.725V
0100
1.350V
1.750V
0011
1.375V
1.775V
0010
1.400V
1.800V
0001
1.425V
1.825V
0000
1.450V
1.850V
Logic 0 = Pin 12 potential (Rem Sense Gnd)
Logic 1 = Open circuit (no pull-up resistors)
VID4 may not be changed while the unit is operating.
Specifications (Unless otherwise stated, Ta =25°C, Vin =5V, Cin =1,500F, Cout =330F, and Io =Iomax)
PT7615
Characteristics
Symbols
Conditions
Min
Typ
Max
Units
Output Current
Io
Ta = +60°C, 200 LFM, pkg N
0.1 (1)
—20
A
Ta = +25°C, natural convection
0.1 (1)
—20
Input Voltage Range
Vin
Over Io range
4.5
—
5.5
V
Set-Point Voltage Tolerance
Vo tol
—
±10
±25 (2)
mV
Temperature Variation
Regtemp
–40°C
≤Ta ≤ +85°C
—
±1.5
—
%Vo
Line Regulation
Regline
Over Vin range
—
±5
±10
mV
Load Regulation
Regload
Over Io range
—
±5
±10
mV
Total Output Voltage Variation
Vo tol
Set-point, line, load
—
±2±3%Vo
–40°C
≤Ta ≤ +85°C
Efficiency
η
Io = 10A
Vo = 1.8V
—
87
—
Vo = 1.5V
—
84
—
%
Vo = 1.2V
—
81
—
Io = 20A
Vo = 1.8V
—
82
—
Vo = 1.5V
—
79
—
%
Vo = 1.2V
—
75
—
Vo Ripple (pk-pk)
Vr
20MHz bandwidth
—
40
—
mVpp
Transient Response
ttr
1A/s load step, 10A and 20A
—
50
—
Sec
Vos
Vo over/undershoot
—
±100
—
mV
Short Circuit Threshold
Isc (pk)
—
32
—
A
Switching Frequency
s
Over Vin range
300
350
400
kHz
STBY* Input Requirements
Referenced to GND
Input High Voltage
VIH
2.0
—
Open (3)
V
Input Low Voltage
VIL
-0.2
—
0.8
Input Low Current
IIL
Pin 5 to GND
—
0.3
—
mA
Standby Input Current
Iin standby
Pin 5 to GND
—
30
—
mA
External Capacitance
Cout
330 (4)
—
15,000
F
Operating Temperature Range
Ta
Over Vin Range
–40
—
+85 (5)
°C
Storage Temperature
Ts
—
-40
—
+125
°C
Mechanical Shock
Per Mil-STD-883D, Method 2002.3
1 msec, Half Sine, mounted to a fixture
—
500
—
G’s
Mechanical Vibration
Per Mil-STD-883D, Method 2007.2,
—
10
—
G’s
20-2000 Hz, Soldered in a PC board
Weight
—
Vertical/Horizontal
—
36
—
grams
Flammability
—
Materials meet UL 94V-0
Notes: (1) ISR-will operate down to no load with reduced specifications.
(2) If the remote sense is not used, pin 12 must be connected to pin 13 for optimum output voltage accuracy.
(3) The STBY* control (pin 5) has an internal pull-up. If it is left open-circuit, the module will operate when input power is applied. A low-leakage (<1A)
MOSFET must be used to control this pin. The open-circuit voltage may be as high as Vin.
(4) For operation below 0°C, Cin and Cout must have stable characteristics. Use either low ESR tantalum or Oscon capacitors.
(5) See safe Operating Area curves or consult factory for the appropriate derating.
External Capacitors: The PT7615 require a minimum output capacitance of 330F for proper operation. The PT7615 also requires an input capacitance of 1500F,
which must be rated for a minimum of 1.4Arms of ripple current. For transient or dynamic load applications, additional capacitance may be required. For further
information refer to the application note regarding capacitor selection for this product.
Input Filter: An input filter inductor is optional for most applications. The inductor must be sized to handle 10ADC with a typical value of 1H.
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