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| 型号： | PTH05060WAST |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 36 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | PLASTIC PACKAGE-10 |
| 文件页数： | 13/19页 |
| 文件大小： | 593K |
| 代理商： | PTH05060WAST |
For technical support and further information visit http://power.ti.com
Environmental & Absolute Maximum Ratings (Voltages are with respect to GND)
Characteristics
Symbols
Conditions
Min
Typ
Max
Units
Track Input Voltage
Vtrack
–0.3
—
Vin + 0.3
V
Operating Temperature Range
Ta
Over Vin Range
–40 (i)
—
85
°C
Solder Reflow Temperature
Treflow
Surface temperature of module body or pins
235 (ii)
°C
Storage Temperature
Ts
—
–40
—
125
°C
Mechanical Shock
Per Mil-STD-883D, Method 2002.3
—
200
—
G’s
1 msec, Sine, mounted
Mechanical Vibration
Mil-STD-883D, Method 2007.2
Suffix H
—
20
—
G’s
20-2000 Hz
Suffix S
—
20
—
Weight
—
3.7
—
grams
Flammability
—
Meets UL 94V-O
Notes:
(i) For operation below 0 °C the external capacitors must bave stable characteristics. use either a low ESR tantalum, Os-Con, or ceramic capacitor.
(ii) During reflow of SMD package version do not elevate peak temperature of the module, pins or internal components above the stated maximum.
10-A, 5-V Input Non-Isolated
Wide-Output Adjust Power Module
PTH05060W —5-V Input
SLTS216B – MAY 2003 – REVISED DECEMBER 2003
Specifications (Unless otherwise stated, T
a =25 °C, Vin =5 V, Vo =3.3 V, Cin =330 F, Cout =0 F, and Io =Iomax)
PTH05060W
Characteristics
Symbols
Conditions
Min
Typ
Max
Units
Output Current
Io
0.8 V
≤ V
o ≤ 3.6 V,
60 °C, 200 LFM airflow
0
—
10 (1)
A
25 °C, natural convection
0
—
10 (1)
Input Voltage Range
Vin
Over Io range
4.5
—
5.5
V
Set-Point Voltage Tolerance
Vo tol
—
±2 (2)
%Vo
Temperature Variation
Reg
temp
–40 °C <Ta < +85 °C
—
±0.5
—
%Vo
Line Regulation
Reg
line
Over Vin range
—
±10
—
mV
Load Regulation
Reg
load
Over Io range
—
±12
—
mV
Total Output Variation
Reg
tot
Includes set-point, line, load,
——±3 (2)
%Vo
–40 °C
≤ T
a ≤ +85 °C
Efficiency
η
Io =7 A
RSET = 698
Vo = 3.3 V
—
94
—
RSET = 2.21 k Vo = 2.5 V
—
92
—
RSET = 4.12 k Vo = 2.0 V
—
91
—
%
RSET = 5.49 k Vo = 1.8 V
—
90
—
RSET = 8.87 k Vo = 1.5 V
—
89
—
RSET = 17.4 k Vo = 1.2 V
—
86—
RSET = 36.5 k Vo = 1.0 V
—
85
—
Vo Ripple (pk-pk)
Vr
20 MHz bandwidth
—
25
—
mVpp
Over-Current Threshold
Io trip
Reset, followed by auto-recovery
—
20
—
A
Transient Response
1 A/s load step, 50 to 100 % Iomax,
Cout =330 F
ttr
Recovery Time
—
70
—
Sec
V
tr
Vo over/undershoot
—
100
—
mV
Margin Up/Down Adjust
V
o margin
—
± 5
—
%
Margin Input Current (pins 9 /10)
IIL margin
Pin to GND
—
– 8 (3)
—A
Track Input Current (pin 8)
IIL track
Pin to GND
—
–130 (4)
A
Track Slew Rate Capability
dVtrack/dt
Cout ≤ Cout(max)
—
1
V/ms
Under-Voltage Lockout
UVLO
Vin increasing
—
4.3
4.45
V
Vin decreasing
3.4
3.7
—
Inhibit Control (pin3)
Referenced to GND
Input High Voltage
VIH
Vin –0.5
—
Open (4)
V
Input Low Voltage
VIL
–0.2
—
0.6
Input Low Current
IIL inhibit
Pin to GND
—
–130
—
A
Input Standby Current
Iin inh
Inhibit (pin 3) to GND, Track (pin 8) open
—
10
—
mA
Switching Frequency
s
Over Vin and Io ranges
275
300
325
kHz
External Input Capacitance
Cin
330 (5)
——F
External Output Capacitance
Cout
Capacitance value
non-ceramic
0
330 (6)
5,500 (7)
F
ceramic
0
—
300
Equiv. series resistance (non-ceramic)
4
(8)
——
F
Reliability
MTBF
Per Bellcore TR-332
5.7
—
106 Hrs
50 % stress, Ta =40 °C, ground benign
Notes: (1) See SOA curves or consult factory for appropriate derating.
(2) The set-point voltage tolerance is affected by the tolerance and stability of RSET. The stated limit is unconditionally met if RSET has a tolerance of 1 %
with 100 ppm/°C or better temperature stability.
(3) A small low-leakage (<100 nA) MOSFET is recommended to control this pin. The open-circuit voltage is less than 1 Vdc.
(4) This control pin has an internal pull-up to the input voltage Vin. If it is left open-circuit the module will operate when input power is applied. A small
low-leakage (<100 nA) MOSFET is recommended for control. For further information, consult the related application note.
(5) A 330 F input capacitor is required for proper operation. The capacitor must be rated for a minimum of 500 mA rms of ripple current.
(6) An external output capacitor is not required for basic operation. Adding 330 F of distributed capacitance at the load will improve the transient response.
(7) This is the calculated maximum. The minimum ESR limitation will often result in a lower value. Consult the application notes for further guidance.
(8) This is the typcial ESR for all the electrolytic (non-ceramic) output capacitance. Use 7 m
as the minimum when using max-ESR values to calculate.
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