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Features

Powers SLICs and RSLICs Overcurrent protection Surface mount design Non-isolated output Ultraquiet outputs Superb transient response

10 REN capability Compact design Simplifies assembly & test Fast time-to-market Eliminates ALEL caps U.S. patent 6,195,273
SPT5504Q SLIC Power Module
Input Specifications
Voltage ...................................4.75 VDC Min. 5 VDC Typ. 5.25 VDC Max. Current No Load................................160 mA Typ. 180 mA Max. IBAT1 = 100 mA ..................1,550 mA Typ. 1,600 mA Max. IBAT2 = 100 mA .....................800 mA Typ. 840 mA Max. Remote Enable Disabled..................................10 mA Typ. 20 mA Max. Low = Enable .....................0.4 VDC Max. (open = enable) High = Disable........................3 VDC Min. (source 1 mA)
General Information
The SPT5504Q is a member of Bourns' ringing SLIC power module family. The output voltages provide low-noise operation for very quiet off-hook conditions and on-hook transmissions. The SPT5504Q is capable of 7 W total output power, with up to 100 mA available from each output rail. The part is available in a surface mount configuration. The compact design provides a small footprint, minimizing real estate usage on the main board. The SPT5504Q is a robust design that meets the electrical and environmental specifications for powering RSLICs. By integrating the entire power solution, the OEM customer saves time and money in engineering, debugging, purchasing hardto-source components, test and inventory.
Output Decoupling
Although not specifically required for proper/specified operation of the SPT5504Q, external decoupling capacitors may be employed to reduce noise and interaction with adjacent circuits. Output decoupling can be achieved by placing 0.1 f ceramic caps at the load. Note that larger cap values can substantially increase the start-up currents drawn from the 5 V source.
Fault Protection
F1 F1 may be used in distributed systems to isolate single-board failures. should be 2 A, i2t 0.2 A2 sec, R 25 m.
Output Specifications
Power .............................................7 W Max. Voltage VBAT1 ....................................... -63 V Min. -60 V Typ. -58 V Max. VBAT2 (Two Outputs) ................ -25 V Min. -24 V Typ. -23 V Max. Ripple Voltage VBAT1 (IBAT1 = 50 mA) ..............15 mV Typ. 30 mV Max. VBAT2 (IBAT2 = 50 mA) ................5 mV Typ. 20 mV Max. Current IBAT1 ......................................0 to 100 mA 10 REN (2 s on, 4 s off) 120 mA Min. (trip < 150 ms) IBAT2 ......................................0 to 100 mA (50 mA each output) VBAT2 Load Regulation (IBAT2 = 0 to 50 mA) .........0.5 mV/mA Typ. 1 mV/mA Max. VBAT2 Setpoint Accuracy...............2 % Typ. 4 % Max. Cross Regulation (IBAT1 = 0 to 100 mA) ........................................0.1 mV/mA Typ. 0.2 mV/mA Max. Temperature Coefficient (T -25 C) VBAT1 ............................... -20 mV/C Typ. -40 mV/C Max. VBAT2.................................1.2 mV/C Typ. 4 mV/C Max.
Input Decoupling
Local input decoupling is recommended to reduce the apparent source impedance to the SPT5504Q. C2 0.1 F, X7R ceramic C1 100 F, 10 V, low ESR tantalum (AVX TPS series or Kemet T495 series).
Product Dimensions
35.6 (1.40)
1 16
2.54 14 PLCS. (0.100)
31.8 (1.250)
2.54 (0.100) 14 PLCS.
24.13 (0.95) 3.30 4 PLCS. (0.13) 2.54 TYP. (0.100)
8
9
33.0 (1.30)
1.0 TYP. (0.040) DIMENSIONS = MILLIMETERS (INCHES) TOLERANCES = (.xx) = .25 (.01) (.xxx) = .13 (.005)
11.77 MAX. (0.44)
General Specifications
MBTF....................................1,600 kHrs Typ. Bellcore TR332 (40 C) Operating Temperature 0 LFM .....................................0 to +70 C Storage Temperature...........-55 to +125 C
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
SPT5504Q SLIC Power Module
Product Schematic
1 F1 2 3 4 C1 5V <2 A C2 5 6 7 8 GND GND NC INHIBIT NC NC 16 15 14 -60 V, 100 mA
+5 Vin VBAT1 VBAT2_a VBAT2_b
13 12 11 10 9 RETURN -24 V, 50 mA -24 V, 50 mA
PIN DESCRIPTIONS: 5 Vin 4.75-5.25 VDC input, <2 A VBAT1 -60 V, 100 mA output VBAT2 -24 V, 2 x 50 mA outputs GND Common input and output returns Inhibit Logic level remote inhibit (>3.0 V, source 1 mA). Enabled when open or <0.4 V. NC No connection
RECOMMEND SOLID GROUND PLANE ON COMPONENT SIDE OF MOTHER BOARD UNDER SPT5504Q.
Reliable Electronic Solutions
Asia-Pacific: TEL +886- (0)2 25624117 * FAX +886- (0)2 25624116 Europe: TEL +41-41 768 5555 * FAX +41-41 768 5510 The Americas: TEL +1-951 781-5500 * FAX +1-951 781-5700
www.bourns.com
COPYRIGHT(c) 2005, BOURNS, INC. LITHO IN U.S.A., REV. 1/05

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