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S101-084-S101-00
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5.0v Input, 1.5 to 3.3v Output @ 7A
This product is not fuse protected. User is responsible for providing system protection. Consult factory for application information.
OBSOLETE PRODUCT
Specifications *
S101-05
INPUT SPECIFICATIONS
Input voltage range
External input capacitor
5.0V ± 10%
Minimum 200μF with adequate
ripple current rating
Measured at +Vin pin
See also note on pg 6 and chart on pg 4
OUTPUT SPECIFICATIONS
1.5V
Standard setpoint accuracy varies ±1.3%.
Contact factory for tighter tolerances. See
note on pg 5 for trimming to different voltages.
1.8V
Standard output voltages and
output current
2.1V
2.5V
3.3V
Output current
7A
100 LFM at 70°C
Output Current up to 7A
Load regulation
±0.4%
0 to 7A load
5.0V ± 10% input
Line regulation
FEATURES
Regulation ±0.4% Line and Load
Industry Standard Pin Configuration
High Efficiency To 90%
Remote Sense, Trim and Enable
Short Circuit Protection
MTBF 3.9 million hours
±0.4%
Over specified input voltage range
External output capacitor
>150μF with maxESR = 100mΩ
See also note on pg 6
Short circuit protection
200% of maximum rated current
GENERAL SPECIFICATIONS
Enable ***
ON - open or high / OFF - low
Efficiency
90% for 3.3V
Isolation
Non-isolated
Switching frequency
300 kHz
Approvals and Standards
UL 94V-0
Protection
Operating Temperature ****
See efficiency curves on pg 4
Constant
Fusing
Unit is not fused.
0°C to 60°C
Storage Temperature
-40°C to 125°C
Non-condensing
MTBF
4.1 million hours
Per RAC PRISM at 50°C ambient and 200 LFM
* All specifications are typical at nominal input, full load at 25°C unless otherwise stated.
*** Pull below 0.5V and sink greater than 1mA to disable the SIP; pull above 4V (do not exceed 12V) and source greater than 10μA or
leave
open to enable the SIP.
**** The output capacitors must meet the max ESR = 100mΩ requirement over the operating temperature range.
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29 Apr 2010
MDC_S101-084-S101-00.B01 Page 1 of 6
S101-084-S101-00
5.0v Input, 1.5 to 3.3v Output @ 7A
PART NUMBER CODING
S101 - 05 2 0 XYZ - B B
Model Number
Pin Length
B = .145 inch (Standard)
Input Voltage
05 = 5V
Feature Options
B = Remote Sense, Trim and Enable (Standard)
3 = Trim and Enable
Mechanical Options
2 = Vertical Top Side Pins (Standard)
Output Voltage
XYZ = X.YZ Volts
Set Point Tolerance
0 = Factory Standard (See Specifications)
INITIAL SETPOINT TOLERANCE
Setpoint Tolerance
(±%)
Initial Setpoint Tolerance
for 5V input SIPs
3.5
3.0
2.5
2.0
1.5
1.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Output Voltage (V)
PIN ASSIGNMENT
CONNECTOR
J1
PIN
FUNCTION
1
2
3
Remote Sense
4
VOUT
5
Ground
CONNECTOR
PIN
FUNCTION
VOUT
1
Ground
VOUT
2
VIN
J2
3
VIN
4
Empty
5
Trim
6
Enable
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MDC_S101-084-S101-00.B01 Page 2 of 6
S101-084-S101-00
5.0v Input, 1.5 to 3.3v Output @ 7A
MECHANICAL DIMENSIONS
2.55 (64.77) MAX
.540 (13.72) MAX
1
2
3
4
5
1 2
Top side
J1
.100 (2.54) TYP
J2
3
5
6
L ± .020 (5.08 ± .5)
.025 (.62) SQ
1.400 (35.56)
1.800 (45.72)
.30 (7.62)
Mechanical
Option 2
.360 MAX
.218 MAX
.072 MAX
.03
Mech
Option
#2
(Standard)
* Recommended Customer Hole Size 0.046 ±.003 with 0.070 pad both sides
1. Dimensions are in inches and (millimeters).
2. Tolerances: (unless otherwise noted)
Inches
.XX ± .020
.XXX ± .010
Pin:
± .002
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Millimeters
.X ± 0.5
.XX ± 0.25
± 0.05
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MDC_S101-084-S101-00.B01 Page 3 of 6
S101-084-S101-00
5.0v Input, 1.5 to 3.3v Output @ 7A
EFFICIENCY CURVES AT 25°C
Efficiency (%)
1.5V
95
90
85
80
75
70
65
60
4.5 V input
5.0 V input
1
2
3
4
5
6
7
5.5 V input
Load curre nt (A)
Efficiency (%)
3.3V
95
90
85
80
75
70
65
60
4.5 V input
5.0 V input
1
2
3
4
5
6
7
5.5 V input
Load curre nt (A)
INPUT RIPPLE CURRENT
Required ripple current ratings required for input bulk capacitor.
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MDC_S101-084-S101-00.B01 Page 4 of 6
S101-084-S101-00
5.0v Input, 1.5 to 3.3v Output @ 7A
RESISTOR TRIM EQUATIONS
The S101 output voltage can be trimmed to a different value than the one set by the factory by using one external resistor. Check the following table for
trimming range and use the appropriate trimming equation to calculate the value of the trim resistor.
VSET
VREF
R8 (OHMS)
1.5V
1.3V
9760
R7 (OHMS) TRIM RANGE
63400
1.3V - 1.8V
1.8V
1.5V
10000
49900
1.5V - 2.1V
2.1V
1.7V
11500
48700
1.7V - 2.5V
2.5V
2.1V
12100
63400
2.1V - 3.3V
3.3V
2.5V
11500
35700
2.5V - 3.5V
Trimming Up (VOutUp > VSet)
Connect the Trim Up Resistor between the Trim pin (J1-5) and the Ground pin (J1-1).
RTrimUp =
1
VOutUp - VRef
1
R8 * VRef
R7
Trimming Down (VRef < VOut Down < VSet)
Connect the Trim Down Resistor between the Trim pin (J1-5) and the Remote Sense pin (J1-3). If the sense
pin is not present, use the Vout pin (J1-1 or J1-2 or J1-4).
RTrimDown =
1
VRef
1
R7 VOutDown - VRef
R8
Where:
VSet:
VOutUp:
VOutDown:
VRef:
R7, R8:
RTrimUp, RTrimDown:
the output setpoint (output voltage set by the factory, with no trim)
the desired output voltage (higher than VSet)
the desired output voltage (lower than VSet, but not lower than VRef)
see table
see table
the resistance value of the trimming resistor
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MDC_S101-084-S101-00.B01 Page 5 of 6
S101-084-S101-00
5.0v Input, 1.5 to 3.3v Output @ 7A
External Capacitance for SIP Products
A ll S IP p r o d u c ts r e q u ir e e x te r n a l c a p a c ita n c e to b e p la c e d o n th e s y s te m b o a r d th a t th e S IP w ill b e d e s ig n e d
in to . T h is a p p lic a tio n n o te is a n a tte m p t to e x p la in h o w to tr a n s la te d a ta s h e e t in f o r m a tio n a n d a p p ly it to a
s y s te m le v e l b o a r d d e s ig n .
IN P U T C A P A C IT A N C E
A lth o u g h in p u t c a p a c ita n c e v a lu e is n o t c r itic a l, th e in p u t c a p a c ito r s m u s t b e c a p a b le o f s to r in g f a ir ly la r g e
a m o u n ts o f e n e r g y . T h is m e a n s , f o r e x a m p le , s m a ll c e r a m ic c a p a c ito r s w o u ld b e in a p p r o p r ia te . T h e p r im a r y
c r ite r ia , th o u g h , f o r c h o o s in g th e in p u t c a p a c ito r s is A C r ip p le c u r r e n t r a tin g . T h e S IP d a ta s h e e t c o n ta in s a
c h a r t s h o w in g r ip p le c u r r e n t v s . o u tp u t c u r r e n t ( o r o u tp u t p o w e r ) . T h e s y s te m d e s ig n e r d e te r m in e s th e
m a x im u m S IP o u tp u t c u r r e n t r e q u ir e d f r o m th e S IP . B a s e d o n th a t n u m b e r , th e c h a r t w ill s h o w a
c o r r e s p o n d in g r ip p le c u r r e n t r a tin g th e d e s ig n e r n e e d s to p la n fo r w h e n c h o o s in g in p u t c a p a c ito r s .
E x a m p le u s in g S IP S 1 0 1 :
T h e d e s ig n e r k n o w s th e S 1 0 1 is in te n d e d to p r o v id e 2 .5 V a t m a x im u m 5 A . U s in g th e S 1 0 1 d a ta s h e e t
c h a r t, th is c o r r e s p o n d s w ith 4 A o f r ip p le c u r r e n t. A ls o k n o w n is th a t th e c a p a c ito r th e d e s ig n e r h o p e s
to u s e h a s a r ip p le c u r r e n t r a tin g o f 2 .2 A . T h e r e f o r e , th e d e s ig n e r m u s t u s e tw o o f th e c h o s e n
c a p a c ito r s in p a r a lle l fo r a to ta l r ip p le c u r r e n t c a p a b ility o f 4 .4 A - w h ic h w ill b e s u f f ic ie n t f o r th e 4 A
r e q u ir e m e n t.
O U T P U T C A P A C IT A N C E
T h e o n ly r e q u ir e m e n t fo r c a p a c ita n c e v a lu e is f o r b a s ic c ir c u it s ta b ility o f th e S IP . T h a t v a lu e is s p e c if ie d o n
th e S IP d a ta s h e e t— u s u a lly 1 5 0 μ F . T h e o th e r c o n s id e r a tio n f o r o u tp u t c a p a c ita n c e is th e to ta l e f fe c tiv e E S R
( E q u iv a le n t S e r ie s R e s is ta n c e ) . A s w ith r ip p le c u r r e n t, e v e r y c a p a c ito r h a s a s p e c if ie d E S R . W h e n u s in g
m u ltip le c a p a c ito r s in p a r a lle l, th is E S R is a d d e d e x a c tly lik e p a r a lle l r e s is to r s . T h e r e fo r e , m o r e c a p a c ito r s
m e a n le s s E S R . T h e S IP d a ta s h e e t s p e c if ie s a m a x im u m to ta l E S R n e c e s s a r y f o r o p tim u m S IP p e r f o r m a n c e .
T h e d e s ig n e r m a y a ls o c h o o s e to a d d m o r e c a p a c ita n c e to r e d u c e o u tp u t r ip p le a n d n o is e .
E x a m p le u s in g S IP S 1 0 1 :
T h e S 1 0 1 d a ta s h e e t s p e c if ie s a m a x im u m E S R o f 1 0 0 m 7 f o r o u tp u t c a p a c ita n c e . T h e s y s te m
d e s ig n e r w a n ts to u s e a c a p a c ito r w ith a s p e c if ie d E S R o f 1 3 0 m 7 . S in c e 1 3 0 m 7 is m o r e th a n th e
n e e d e d 1 0 0 m 7 , tw o c a p a c ito r s m u s t b e u s e d in p a r a lle l f o r a to ta l e ff e c tiv e E S R o f 6 5 m 7 .
G e n e r a lly , g o o d , lo w E S R b u lk c a p a c ito r s w ill b e u s e d fo r b o th in p u t a n d o u tp u t c a p a c ita n c e s o th a t f e w e r
c a p a c ito r s a r e n e e d e d s in c e b o a r d r e a l e s ta te is u s u a lly a n im p o r ta n t f a c to r in to d a y 's d e s ig n s .
Impact on Output Voltage Ripple and Transient Response
If th e c u s to m e r’s a p p lic a tio n re q u ire s a v e r y lo w o u tp u t v o lta g e rip p le a n d / o r v e ry lo w o u tp u t v o lta g e o v e rs h o o t /
u n d e rs h o o t d u rin g tra n s ie n ts , th e n th e g u id e lin e s p re v io u s ly s h o w n n e e d to b e e x c e e d e d a n d g o o d la yo u t p ra c tic e s
b e c o m e m a n d a to ry.
B y u s in g fo u r 3 3 0 μ F O S C O N c a p a c ito rs , e a c h h a vin g E S R = 1 7 m 7 , th e o u tp u t v o lta g e rip p le c a n b e d e c re a s e d to
5 0 m V p k -p k o n a 1 .2 V o u tp u t S IP . A ls o d u rin g a tra n s ie n t lo a d c o n d itio n (lo a d c u rre n t s te p s fro m 2 0 % to 1 0 0 % a n d
b a c k , a t 2 A / μ s e c ) th e o u tp u t v o lta g e d o e s n o t o v e rs h o o t / u n d e rs h o o t m o re th a n 1 0 0 m V .
W h e n fa s t a n d d e e p tra n s ie n t lo a d s a re e x p e c te d , th e in p u t c a p a c ito r b e c o m e s im p o rta n t a s w e ll, e s p e c ia lly if th e S IP
is fa r fro m its in p u t v o lta g e s o u rc e . C a p a c ito rs h a v in g a s m u c h a s 2 0 0 0 μ F a n d c o m b in e d E S R lo w e r th a n 2 0 m 7 m ig h t
be needed.
P ra c tic a l re s u lts h e a v ily d e p e n d o n p h ys ic a l la yo u t a n d s p e c ific lo a d c o n d itio n s . F o r c ritic a l a p p lic a tio n s th e c u s to m e r
is e n c o u ra g e d to c o n s u lt w ith th e m a n u fa c tu re r.
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11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
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Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
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MDC_S101-084-S101-00.B01 Page 6 of 6