BOURNS SPT5504C

Features
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Powers ringing SLICs
Overcurrent protection
Surface mount design
Superior transient response
Non-isolated outputs
Ultraquiet outputs
10 REN capability
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Compact design
Simplifies assembly & test
Fast time-to-market
Remote inhibit
Eliminates ALEL caps
Patent 6,195,273
SPT5504C SLIC Power Module
Input Specifications
Voltage ...................................4.75 VDC Min.
5 VDC Nom.
5.25 VDC Max.
Current
No Load..............................120 mA Nom.
150 mA Max.
IBAT1 = 100 mA .................1920 mA Nom.
1980 mA Max.
IBAT2 = 100 mA ...................750 mA Nom.
780 mA Max.
Disabled ................................20 mA Max.
Remote Enable
Low = Enable
.................0.4 VDC Max. (open = enable)
High = Disable
...................4.0 VDC Min. (source ≤1 mA)
Output Specifications
Power ......................................................7 W
VBAT1
Voltage .................................... -74 V Min.
-72 V Nom.
-70 V Max.
Current ..................................0 to 100 mA
10 REN (2 s on, 4 s off)
120 mA Min. (trip < 150 ms)
Ripple Voltage ...........................15 mV Nom.
40 mV Max.
(IBAT1 = 50 mA)
Temperature Coefficient (T -25 °C)
...................................... -25 mV/°C Nom.
-40 mV/°C Max.
VBAT2
Voltage (Two 50 mA Outputs)
................................................ -25 V Min.
-24 V Nom.
-23 V Max.
Current ..................................0 to 100 mA
Ripple Voltage ..........................5 mA Nom.
20 mA Max.
(IBAT2 = 50 mA)
Temperature Coefficient (T -25 °C)
.......................................1.2 mV/°C Nom.
4 mV/°C Max.
VBAT2 Load Regulation
(IBAT2 = 0 to 50 mA)
......................................0.5 mV/mA Nom.
1 mV/mA Max.
VBAT2 Setpoint Accuracy
.................................................2 % Nom.
4 % Max.
Cross Regulation (IBAT1 = 0 to 100 mA)
......................................0.1 mV/mA Nom.
0.2 mV/mA Max.
General Information
The SPT5504C is a member of Bourns
Switch Power SLIC Power module family.
The output voltages provide low-noise
operation for very quiet off-hook conditions
and on-hook transmissions. The SPT5504C
is capable of 7 W total output power, with
up to 100 mA available from each output
rail.
The SPT5504C’s easy to use surface
Output Decoupling
mount design and compact footprint
minimize the board space dedicated to
power (less than 1.4 in2). Its robust design
ensures reliable power and eliminates the
need for Aluminum Electrolytic capacitors.
By integrating the entire power solution, the
OEM customer saves time and money in
engineering, debugging, purchasing hardto-source components, test and inventory.
Fault Protection
Although not specifically required for
proper/specified operation of the
SPT5504C, external decoupling capacitors
may be employed to reduce noise and
interaction with adjacent circuits. Output
decoupling can be achieved by placing 0.1
µf ceramic caps at the load. Note that larger
cap values can substantially increase the
start-up currents drawn from the 5 V source.
F1
F1
may be used in distributed systems to
isolate single-board failures.
should be ≥ 2.5 A, i2t ≥ 0.2 A2 sec,
R ≤ 25 mΩ.
Input Decoupling
Local input decoupling is recommended to
reduce the apparent source impedance to
the SPT5504C.
C2 0.1 µF, X7R ceramic
C1 100 µF, 10 V, low ESR tantalum (AVX
TPS series or Kemet T495 series).
Product Dimensions
16
1
31.8
(1.250)
2.54
(0.100)
14 PLCS.
2.54 14 PLCS.
(0.100)
24.38
(0.96)
8
9
3.30 4 PLCS.
(0.13)
36.1
(1.42)
2.54
TYP.
(0.100)
1.0
TYP.
(0.040)
11.18 MAX.
(0.44)
DIMENSIONS = MILLIMETERS
(INCHES)
TOLERANCES = (.xx) = ± .25
(.01)
(.xxx) = ± .13
(.005)
General Specifications
MBTF .................................2,100 kHrs Nom.
Bellcore TR332 (40 °C)
Operating Temperature
0 LFM..................................-40 to +85 °C
Storage Temperature...........-55 to +125 °C
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
SPT5504C SLIC Power Module
Product Schematic
1
F1
C1
5V
<3 A
INHIBIT
2
C2
3 +5 Vin
4
NC
16
14
VBAT1
VBAT2_a 12
6
7
GND
8
-72 V, 100 mA
13
VBAT2_b 11
10
GND 9
-24 V, 50 mA
-24 V, 50 mA
RETURN
RECOMMEND SOLID GROUND PLANE ON COMPONENT
SIDE OF MOTHER BOARD UNDER SPT5504C.
PIN DESCRIPTIONS:
5 Vin
4.75-5.25 VDC input, <3 A
VBAT1
-72 V, 100 mA output
VBAT2
-24 V, 2 x 50 mA outputs
GND
Common input and output returns
Inhibit Logic level remote inhibit
(>4.0 V, source 1 mA).
Enabled when open or <0.4 V.
NC
No connection
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COPYRIGHT© 2005, BOURNS, INC. LITHO IN U.S.A., REV. 1/05