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参数资料
| 型号： | PTH05010YAST |
| 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： | DIP-20 |
| 文件页数： | 12/18页 |
| 文件大小： | 773K |
| 代理商： | PTH05010YAST |
www.ti.com
ELECTRICAL SPECIFICATIONS
PTH03010Y
PTH05010Y
PTH12010Y
SLTS223A–MARCH 2004–REVISED OCTOBER 2005
TA =25°C; nominal VIN;VREF =1.25V;CIN,CO1, and CO2 = typical values; and IO =IOmax (unless otherwise stated)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PTH03010Y/PTH05010Y
0
±15(1)
A
IO
Output current
Over VREF range
PTH12010Y
±12(1)
PTH03010Y
2.95
3.65
VIN
Input voltage range
Over IO range
PTH05010Y
4.5
5.5
V
PTH12010Y
10.8
13.2
VREF
Tracking range for VREF
0.55
1.8
V
|VTT–VREF|
Tracking tolerance to VREF
Over line, load and temperature
–10
10
mV
PTH03010Y
88%
η
Efficiency
Io = 10 A
PTH05010Y
88%
PTH12010Y
85%
Vr
Vo Ripple (pk-pk)
20 MHz bandwidth
20
mVpp
Reset, followed by auto recovery
PTH03010Y/PTH05010Y
27.5
Io trip
Overcurrent threshold
A
PTH12010Y
20
ttr
Recovery time
30
sec
15 A/s load step, from –1.5 A to
Load transient response
1.5 A
Vtr
VO over/undershoot
30
40
mV
PTH03010Y
2.45
2.8
VIN Increasing
PTH05010Y
4.3
4.45
V
PTH12010Y
9.5
10.4
UVLO
Under-voltage lockout
PTH03010Y
2.0
2.40
VIN Dncreasing
PTH05010Y
3.4
3.7
V
PTH12010Y
8.8
9
Inhibit control (pin 4)
VIN–0.5
Open(2)
VIH
V
Input high voltage
Referenced to GND
Inhibit control (pin 4)
–0.2
0.6
VIL
V
Input low voltage
Inhibit control (pin 4)
IIL inhibit
Pin to GND
130
A
Input low curent
IIN inh
Input standby current
Inhibit (pin 3) to GND
10
mA
PTH03010Y/PTH05010Y
250
300
350
f s
Switching frequency
Over VIN and IO ranges
kHz
PTH12010Y
200
250
300
PTH03010Y/PTH05010Y
470(3)
CIN
External input capacitance
F
PTH12010Y
560(3)
PTH03010Y/PTH05010Y
470(4)
8200(5)
Capacitance value: Nonceramic
F
PTH12010Y
940(4)
6600(5)
CO1, CO2
External output capacitance
PTH03010Y/PTH05010Y
200(4)
300
Capacitance value: Ceramic
F
PTH12010Y
400(4)
600
Equiv. series resistance (non-ceramic)
4(6)
m
MTBF
Reliability
Per Bellcore TR-332 50 % stress, TA =40°C, ground benign
6
106 Hrs
(1) Rating is conditional on the module being directly soldered to a 4-layer PCB with 1 oz. copper. See the SOA curves or contact the
factory for appropriate derating.
(2) 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.
(3) An input capacitor is required for proper operation. The capacitor must be rated for a minimum a minimum of 500 mA rms( 750 mA rms
for 12-V input) of ripple current.
(4) The minimum value of external output capacitance value ensures that VTT meets the specified transient performance requirements for
the memory bus terminations. Lower values of capacitance may be possible when the measured peak change in output current is
consistently less than 3 A.
(5) This is the calculated maximum. The minimum ESR limitation will often result in a lower value. Consult the application notes for further
guidance.
(6) 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.
3
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