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参数资料
| 型号： | PTH03030WAZT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, DIP-13 |
| 文件页数： | 16/22页 |
| 文件大小： | 587K |
| 代理商： | PTH03030WAZT |
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
—
85
°C
Solder Reflow Temperature
Treflow
Surface temperature of module body or pins
235 (i)
°C
Storage Temperature
Ts
—
–40
—
125
°C
Mechanical Shock
Per Mil-STD-883D, Method 2002.3
—
500
—
G’s
1 msec, Sine, mounted
Mechanical Vibration
Mil-STD-883D, Method 2007.2
Suffix S
—
10
—
G’s
20-2000 Hz
Suffix H
—
20
—
Weight
—
10
—
grams
Flammability
—
Meets UL 94V-O
Notes:
(i) During reflow of SMD package version do not elevate peak temperature of the module, pins or internal components above the stated maximum.
PTH03030W —3.3-V Input
30-A, 3.3-V Input Non-Isolated
Wide-Output Adjust Power Module
SLTS209B – MAY 2003 – REVISED JANUARY 2004
Specifications (Unless otherwise stated, T
a =25 °C, Vin =3.3 V, Vout =2 V, Cin =1,500 F, Cout =0 F, and Io =Iomax)
PTH03030W
Characteristics
Symbols
Conditions
Min
Typ
Max
Units
Output Current
Io
60 °C, 200 LFM airflow
0
—
30 (1)
A
25 °C, natural convection
0
—
30 (1)
Input Voltage Range
Vin
Over Io range
2.95 (2)
—
3.65
V
Set-Point Voltage Tolerance
Vo tol
—
±2 (3)
%Vo
Temperature Variation
Regtemp
–40 °C <Ta < +85 °C
—
±0.5
—
%Vo
Line Regulation
Regline
Over Vin range
—
±10
—
mV
Load Regulation
Regload
Over Io range
—
±12
—
mV
Total Output Variation
Regtot
Includes set-point, line, load,
—
±3 (3)
%Vo
–40 °C
≤ Ta ≤ +85 °C
Efficiency
η
Io =20 A
RSET = 2.21 k Vo = 2.5 V
—
93
—
RSET = 4.12 k Vo = 2.0 V
—
92
—
RSET = 5.49 k Vo = 1.8 V
—
91
—
%
RSET = 8.87 k Vo = 1.5 V
—
89
—
RSET = 17.4 k Vo = 1.2 V
—
87
—
RSET = 36.5 k Vo = 1.0 V
—
85
—
Vo Ripple (pk-pk)Vr
20 MHz bandwidth
—
30
—
mVpp
Over-Current Threshold
Io trip
Reset, followed by auto-recovery
—
45
—
A
Transient Response
1 A/s load step, 50 to 100 % Iomax,
Cout =330 F
ttr
Recovery Time
—
70
—
Sec
Vtr
Vo over/undershoot
—
100
—
mV
Margin Up/Down Adjust
Vo adj
—
± 5
—
%
Margin Input Current (pins 12 /13)IIL margin
Pin to GND
—
– 8 (4)
—A
Track Input Current (pin 8)IIL track
Pin to GND
—
–130 (5)
A
Track Slew Rate Capability
dVtrack/dt
Cout ≤ Cout(max)—
—
1
V/ms
Under-Voltage Lockout
UVLO
Vin increasing
—
2.45
2.8
V
Vin decreasing
2.2
2.4
—
Inhibit Control (pin4)Referenced to GND
Input High Voltage
VIH
Vin –0.5
—
Open (5)
V
Input Low Voltage
VIL
–0.2
—
0.8
Input Low Current
IIL inhibit
Pin to GND
—
–130
—
A
Input Standby Current
Iin inh
Inhibit (pin 4) to GND, Track (pin 11) open
—
10
—
mA
Switching Frequency
s
Over Vin and Io ranges
275
300
325
kHz
External Input Capacitance
Cin
1,500 (6)
——
F
External Output Capacitance
Cout
Capacitance value
non-ceramic
0
330 (7)
16,500 (8)
F
ceramic
0
—
300
Equiv. series resistance (non-ceramic)4
(9)
——
m
Reliability
MTBF
Per Bellcore TR-332
2.8
—
106 Hrs
50 % stress, Ta =40 °C, ground benign
Notes: (1) See SOA curves or consult factory for appropriate derating.
(2) The minimum input voltage is equal to 2.95 V or Vout + 0.5 V, whichever is greater.
(3) 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.
(4) A small low-leakage (<100 nA) MOSFET is recommended to control this pin. The open-circuit voltage is less than 1 Vdc.
(5) 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.
(6) A 1,500 F electrolytic input capacitor is required for proper operation. The capacitor must be rated for a minimum of 900 mA rms of ripple current.
(7) An external output capacitor is not required for basic operation. Adding 330 F of distributed capacitance at the load will improve the transient response.
(8) This is the calculated maximum. The minimum ESR limitation will often result in a lower value. Consult the application notes for further guidance.
(9) This is the typical ESR for all the electrolytic (non-ceramic) output capacitance. Use 7 m
as the minimum when using max-ESR values to calculate.
-55
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