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PDF PTH03010YAH Data sheet ( Hoja de datos )
| Número de pieza | PTH03010YAH | |
| Descripción | DC-DC / Non-Isolated POLA memory | |
| Fabricantes | Emerson | |
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PTHxx010Y
3.3/5/12 Vin Single Output
DC-DC CONVERTERS Non-isolated DDR/QDR Memory Bus Termination Module
1
• VTT bus termination output (output the system VREF)
• 15 A output current
• 3.3 Vdc, 5 Vdc or 12 Vdc input voltage
• DDR and QDR compatible
• ON/OFF inhibit (for VTT standby)
• Under-voltage lockout
• Operating temperature range: -40 ºC to +85 ºC
• Efficiencies up to 91%
• Output overcurrent protection (non-latching, auto-reset)
• Point-of-Load-Alliance (POLA) compatible
• Available RoHS compliant
NEW Product
The PTHxx010Y are a new series of non-isolated dc-dc converters designed specifically
for bus termination in DDR and QDR memory applications. Operating from either a
3.3 Vdc, 5 Vdc or 12 Vdc input, the modules generate a VTT output that will source or
sink up to 15 A of current to accurately track their VREF input. VTT is the required bus
termination supply voltage, and VREF is the reference voltage for the memory and chipset
bus receiver comparators. VREF is usually set to half the VDDQ power supply voltage.
The PTHxx010Y series employs an actively switched synchronous rectifier output to
provide state of the art stepdown switching conversion. The products are small in size
and are an ideal choice where space, performance and high efficiency are desired.
All specifications are typical at nominal input, VREF = 1.25 V, full load at 25 °C
Unless otherwise stated. Cin, Co1 and Co2 = typical value
2 YEAR WARRANTY
SPECIFICATIONS
OUTPUT SPECIFICATIONS
Output current
(over ∆VREF range)
(See Note 1)
PTH03010Y and PTH05010Y
PTH12010Y
±15 A
±12 A
Tracking range for VREF
Tracking tolerance to VREF (VTT - VREF)
(over line, load
and temperature)
0.55-1.8 Vdc
-10 mV to +10 mV
Ripple and noise
20 MHz bandwidth
20 mV pk-pk
Load transient response
(See Note 4)
30 µs settling time
Overshoot/undershoot 30 mV typ.
Output capacitance:
Non-ceramic values
(See Notes 4 and 5)
Ceramic values
(See Notes 4)
(See Note 6)
PTH03010Y 470 µF typ., 8,200 µF max.
PTH05010Y 470 µF typ., 8,200 µF max.
PTH12010Y 940 µF typ., 6,600 µF max.
PTH03010Y
PTH05010Y
PTH12010Y
200 µF typ., 300 µF max.
200 µF typ., 300 µF max.
400 µF typ., 600 µF max.
ESR (non-ceramic)
4 mΩ min.
INPUT SPECIFICATIONS
Input current
No load
10 mA
Input voltage range
PTH03010Y
PTH05010Y
PTH12010Y
2.95-3.65 Vdc
4.5-5.5 Vdc
10.8-13.2 Vdc
Undervoltage lockout:
PTH03010Y
PTH05010Y
PTH12010Y
Vin increasing 2.45 V typ., 2.80 V max.
Vin decreasing 2.20 V min., 2.40 V typ.
Vin increasing 4.30 V typ., 4.45 V max.
Vin decreasing 3.40 V min., 3.70 V typ.
Vin increasing 9.5 V typ., 10.4 V max.
Vin decreasing 8.80 V min., 9.0 V typ.
INPUT SPECIFICATIONS CONTD.
Input capacitance
(See Note 3)
PTH03010Y and PTH05010Y 470 µF
PTH12010Y
560 µF
Remote ON/OFF
Positive logic
GENERAL SPECIFICATIONS
Efficiency
Io = 10 A
PTH03010Y
PTH05010Y
PTH12010Y
88% typ.
88% typ.
85% typ.
Insulation voltage
Non-isolated
Switching frequency
PTH03010Y
PTH05010Y
PTH12010Y
300-400 kHz
300-400 kHz
200-300 kHz
Approvals and
standards (pending)
EN60950
UL/cUL60950
Material flammability
UL94V-0
Dimensions
(L x W x H) 34.80 x 15.75 x 9.00 mm
1.370 x 0.620 x 0.354 in
Weight
3.7 g (0.13 oz)
MTBF
Telcordia SR-332
6,000,000 hours
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
(See Note 2)
Operating ambient, -40 ºC to +85 ºC
temperature
Non-operating
-40 ºC to +125 ºC
MSL (‘Z’ suffix only)
JEDEC J-STD-020C
Level 3
PROTECTION
Overcurrent threshold
(Auto reset)
PTH03010Y and PTH05010Y 27.5 A typ.
PTH12010Y
20.0 A typ.
File Name: PTHxx010Y.pdf Rev (02): 19 Dec 2005
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet PTH03010YAH.PDF ] | |
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