參數(shù)資料
型號: PTH03010YAST
元件分類: 電源模塊
英文描述: 1-OUTPUT 27 W DC-DC REG PWR SUPPLY MODULE
文件頁數(shù): 1/4頁
文件大?。?/td> 108K
代理商: PTH03010YAST
DC/DC CONVERTERS
Non-isolated DDR/QDR Memory Bus Termination Module
1
NEW Product
File Name: PTHxx010Y.pdf Rev (01): 19 Nov 2004
2 YEAR WARRANTY
All specifications are typical at nominal input, VREF = 1.25V, full load at 25°C unless otherwise stated
Cin, Co1 and Co2 = typical value
SPECIFICATIONS
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 3.3V, 5V or 12V input, the modules generate a VTT output that will source or
sink up to 15A 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.
VTT bus termination output (output the system VREF)
15A output current
3.3V, 5V or 12V input voltage
DDR and QDR compatible
ON/OFF inhibit (for VTT standby)
Under-voltage lockout
Operating temperature range: -40C to +85C
Efficiencies up to 91%
Output over-current protection (non-latching, auto-reset)
Point-of-Load-Alliance (POLA) compatible
PTHxx010Y
3.3/5/12Vin Single Output
OUTPUT SPECIFICATIONS
Output current
(over VREF range)
PTH03010Y and PTH05010Y
±15A
(See Note 1)
PTH12010Y
±12A
Tracking range for VREF
0.55V to 1.8V
Tracking tolerance to VREF (VTT - VREF)
-10mV to +10mV
(over line, load
and temperature)
Ripple and noise
20MHz bandwidth
20mV pk-pk
Load transient response
30s settling time
(See Note 4)
Overshoot/undershoot 30mV typ.
Output capacitance:
Non-ceramic values
PTH03010Y
470F typ., 8,200F max.
(See Notes 4 and 5)
PTH05010Y
470F typ., 8,200F max.
PTH12010Y
940F typ., 6,600F max.
Ceramic values
PTH03010Y
200F typ., 300F max.
(See Notes 4)
PTH05010Y
200F typ., 300F max.
PTH12010Y
400F typ., 600F max.
(See Note 6)
ESR (non-ceramic)
4m min.
INPUT SPECIFICATIONS
Input current
No load
10mA
Input voltage range
PTH03010Y
2.95V to 3.65V
PTH05010Y
4.5V to 5.5V
PTH12010Y
10.8V to 13.2V
Undervoltage lockout:
PTH03010Y
Vin increasing
2.45V typ., 2.80V max.
Vin decreasing
2.20V min., 2.40V typ.
PTH05010Y
Vin increasing
4.30V typ., 4.45V max.
Vin decreasing
3.40V min., 3.70V typ.
PTH12010Y
Vin increasing
9.5V typ., 10.4V max.
Vin decreasing
8.80V min., 9.0V typ.
INPUT SPECIFICATIONS CONTD.
Input capacitance
PTH03010Y and PTH05010Y
470F
(See Note 3)
PTH12010Y
560F
Remote ON/OFF
Active high
GENERAL SPECIFICATIONS
Efficiency
PTH03010Y
88% typ.
Io = 10A
PTH05010Y
88% typ.
PTH12010Y
85% typ.
Insulation voltage
Non-isolated
Switching frequency
PTH03010Y
300kHz to 400kHz
PTH05010Y
300kHz to 400kHz
PTH12010Y
200kHz to 300kHz
Approvals and
EN60950
standards (pending)
UL/cUL60950
Material flammability
UL94V-0
Dimensions
(L x W x H)
34.80 x 15.75 x 9.00mm
1.370 x 0.620 x 0.354in
Weight
3.7g (0.13oz)
MTBF
Telcordia SR-332
TBD hours
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating ambient,
-40C to +85C
(See Note 2)
temperature
Non-operating
-40C to +125C
PROTECTION
Over-current threshold
PTH03010Y and PTH05010Y 27.5A typ.
(Auto reset)
PTH12010Y
20.0A typ.
相關(guān)PDF資料
PDF描述
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