CINCON
Features
* Industry Standard Pin out
* High Efficiency to 94%
* 300KHz Switching Frequency
* 6.0 –14VDC Wide Input Range
* 0.75 – 5.0VDC Wide Output Range
* Over Temperature Protection
* Continuous Short Circuit Protection
* Remote ON/OFF
* Cost Efficient Open Frame Design
* UL/C-UL60950 Certified
* Output Voltage Sequencing (Tracking)
* Power Good Signal
MODEL
NUMBER
INPUT
VOLTAGE
︳
SIPSMT20W-12 SERIES
20 AMP SIP&SMT PACKAGES
DC-DC CONVERTERS
OUTPUT
VOLTAGE
0.75VDC
1.2VDC
1.5VDC
OUTPUT
CURRENT
20A
20A
20A
20A
20A
20A
20A
20A
INPUT CURRENT
NO LOAD
40mA
50mA
50mA
50mA
60mA
65mA
75mA
95mA
FULL LOAD
1603mA
2381mA
2874mA
3409mA
3745mA
4630mA
5978mA
8865mA
Efficiency
(%)
78
84
87
88
89
90
92
94
SIP20W-12S05A
SMT20W-12S05A
6.0 – 14VDC
1.8VDC
2.0VDC
2.5VDC
3.3VDC
6.5 – 14VDC
NOTE : Nominal Input Voltage 12 VDC
Q1
+VIN
5.0VDC
L1
+VO
C1
Q2
D1
R sense
C2
+SENSE
COM
COM
Vo,set (V)
0.7525
1.2
1.5
1.8
2.0
2.5
3.3
5.0
Rtrim (KΩ)
Open
22.46
13.05
9.024
7.417
5.009
3.122
1.472
R1
PGood
ON/OFF
SEQ
PWM IC
ERR AMP
R trim
R2
TRIM
Table 1. External Resistor Values
for programming output voltage
Figure 1. Simplified Schematic
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25
℃
Unless Otherwise Noted
INPUT SPECIFICATIONS:
Input Voltage Range....……………....……12V..……….......6.0 – 14.0V
12V..……….......6.5 – 14.0V
Under Voltage Lock-out ………………Power up ……………. 5.0V typ.
Power down…….…....4.0V typ.
Input Filter Type……...………………….……………………Capacitive
Positive Remote on/off Control :
Module ON…………………………..Open Circuit or = Vin
Module OFF……………………………………….....…< 0.4 Vdc
GENERAL SPECIFICATIONS:
Efficiency........................................…………..…………............See Table
Isolation Voltage.................................…..…..………....…....Non-isolation
Switching Frequency .............................……......................300KHz typ.
Over Temperature Protection ……………………………………130℃ typ.
Operating Ambient Temperature Range...…….....…….... -40℃ to +85℃
Power Derating Curve ……………….……….……………….see Figure2,3
Storage Temperature Range ...…..............……..…....... -55℃ to +125℃
Dimensions:
SIP Package: 2.4 x 0.51 x 0.327 inches (61.0 x 12.95 x 8.3 mm)
SMT Package: 1.7 x 0.53 x 0.366 inches (43.2 x 13.46x 9.30 mm)
Structure…...….………………………Non-potted With Open Frame Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy…………………....…………………....…±1.5% max.
Transient Response: 25% Step Load Change.....…....….......<200u sec.
Ripple and Noise, 20MHz BW Note3....………………..30mV rms max.
75mV pk-pk max.
Temperature Coefficient....................….………….......±0.03%/C max.
Short Circuit Protection...................…....……..…..………..Continuous
Line Regulation, Note1..….………...………………..……....±0.2% max.
Load Regulation, Note2………………….........……….…....±0.5% max.
External Trim Adj. Range (see Table1)……….……Vo=0.75 – 5.0Vdc
Sequencing Slew Rate Capability (dV
SEQ
/dt)………..….0.1 – 1.0V/msec
Sequencing Delay Time………….…………………………20msec max.
Tracking Accuracy……………………Power up……….….200mV max.
Power down……….…400mV max.
Capacitive Load, Low ESR …………..…..…….….……….8000uF max.
Power Good Signal Asserted Logic High….….Vo=90%-110%Vo,nom
NOTE :
1. Measured From High Line to Low Line, Vo,set=3.3Vdc
2. Measured From Full Load to Zero Load, Vo,set=3.3Vdc
3. The output noise is measured with 10uf tantalum capacitor
and 1uf ceramic capacitor across output.
4.The Input Terminal Recommend to Parallel With 200uF Capacitor
ESR<25mΩ to Reduce The Input Ripple Voltage
5.Suffix “N” to the Model Number with Negative Logic Remote on/off
Model ON………………..…………Open Circuit or < 0.4VDC
Module OFF……………………………………>+2.8VDC to Vin
6.Suffix “P” to the Model Number with Power Good function.
Dimensions:
SIP Packages
SMT Packages
0.327(8.30)max.
2.40(61.0)
0.23(5.8)
SIZE SIP
BOTTOM VIEW OF BOARD
PIN CONNECTION
Pin FUNCTION
+Output
1
+Output
2
3
+Sense
+Output
4
0.120
(3.05)
1.70
(43.2)
0.297
(7.54)
0.366
(9.30)
max.
1 2 3 4 5
0.14(3.6)
0.100(2.54)
0.400(10.20)
6 7 8 9 10 11 12
0.510(12.95)
0.010(0.25)
min.
0.025(0.64)
0.900(22.90)
0.250(6.35)
0.28(7.1)
0.025(0.64)
0.190 0.190 0.190 0.190 0.190
(4.83) (4.83) (4.83) (4.83) (4.83)
0.065
(1.65)
0.29(7.4)
LAYOUT PATTERN
TOP VIEW
All Dimmension In Inches(mm)
Tolerance :
.XX=± 0.02 ( .X=± 0.5 )
.XXX=± 0.010 ( .XX=± 0.25 )
0.33(8.4)
1.1mm PLATED THROUGH HOLE
1.6mm PAD SIZE
5
6
7
8
9
10
11
12
Common
No Pin / PGood
Common
+V Input
+V Input
Sequency
Trim
On/Off Control
SEQ
COM
+VO
TRIM +SENSE PGood
(Option)
0.405 0.530
(10.29) (13.46)
0.063
(1.60)
+VIN
ON/OFF
SURFACE MOUNT CONTACT
0.075
(1.91)
L1 INDUCTOR
0.112
(2.84)
0.248
(6.31)
SIP20W-12S05A Vo=3.3V Derating Curve
25.0
20.0
15.0
0LFM
10.0
5.0
0.0
20
30
40
50
60
70
80
90
100
100LFM
200LFM
300LFM
400LFM
0.0
25.0
20.0
15.0
SMT20W-12S05A Vo=3.3V Derating Curve
Output Current (A)
Output Current (A)
0LFM
10.0
5.0
100LFM
200LFM
300LFM
400LFM
20
30
40
50
60
70
80
90
100
Ambient Temperature(C)
Figure2. Typical Power De-rating for 12V IN
Ambient Temperature(C)
Figure3. Typical Power De-rating for 12V IN
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