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SP6136EB

P1-P3P4-P6P7-P9
Rev 5/01/06 SP6136 Evaluation Manual Copyright © 2006 Sipex Corporation
Page 7 of 9
Step by step design procedures:
a. R2 = 21.8kΩ
b. CZ3 = 272pF
c. Let fc =80kHz then:
d. RZ2 = 34.4kΩ
e. CZ2 = 538pF
f. CP1 = 7.7pF
g. RZ3 = 0.97kΩ
h. CF1 = 22pF to stabilize SP6136ER1 internal Error Amplify
The above component values were used as a starting point for compensating the converter
and after laboratory testing the values shown in circuit schematic of page 1 were used for
optimum operation.
Figure 12- Gain/Phase measurement of SP6136EB shown on page 1, cross-over
frequency (fc) is 85KHz with a corresponding phase of 65 degrees
Rev 5/01/06 SP6136 Evaluation Manual Copyright © 2006 Sipex Corporation
Page 8 of 9
PCB LAYOUT DRAWINGS
Figure 13. SP6136EB Component Placement
Figure 14. SP6136EB PCB Layout Top Side
Figure 15. SP6136EB PCB Layout Bottom Side
Rev 5/01/06 SP6136 Evaluation Manual Copyright © 2006 Sipex Corporation
Page 9 of 9
Figure 16. SP6136EB PCB Layout Inner Layer 1 & Inner Layer 2
Table 2: SP6136EB List of Materials
Line Ref. Qty. Manuf. Manuf. Layout Component Vendor
No.
Des.
Part Number
Size
Phone Number
1 PCB 1 Sipex 146-6610-00 1.175"x1.934" SP6136EB 978-667-7800
2 U1 1 Sipex SP6136ER1 QFN-16 Synchronous Buck Controller 978-667-7800
3 MT 1 Vishay Semi Si4354DY
SO-8
NFET, 30V, 18.5mOhm
402-563-6866
4 MB 1 Vishay Semi Si4886DY
SO-8
NFET, 30V, 13.5mOhm
402-563-6867
5 L1 1 Inter-Technical SC7232-2R2M 7.2x6.6mm 2.2uH Coil 13A 10.4mOhm 914-347-2474
6 DBST 1 Vishay Semi SD101AWS 1.5x4.6mm Schottky, 60V 402-563-6866
7 C1, CBST, CS 3 TDK C1608X7R1C104K 0603 0.1 uF Ceramic X5R 16V 978-779-3111
8 CSP 1 TDK C1608JB1H682K 0603 6.8nF Ceramic X5R 50V 978-779-3111
9 CIN 1 TDK C3225X5R1C226M 1210 22uF Ceramic X5R 16V 978-779-3111
10 COUT 1 TDK C3225X5R0J107M 1210 100uF Ceramic X5R 6.3V 978-779-3111
11 CVCC 1 TDK C2012X5R1A475K 0805 4.7uF Ceramic X5R 10V 978-779-3111
12 C2 1 TDK C1608X7R1E103J 0603 0.01uF Ceramic X7R 25V 978-779-3111
13 CSS 1 TDK C1608X7R1E473K 0603 47nF Ceramic X7R 25V 978-779-3111
14 CP1 1 TDK C1608CH1H120J 0603 12pF Ceramic COG 50V 978-779-3111
15 CZ2 1 TDK C1608CH1H561J 0603 560pF Ceramic COG 25V 978-779-3111
16 CF1 1 TDK C1608CH1H220J 0603 22pF Ceramic COG 50V 978-779-3111
17 CZ3 1 TDK C1608CH1H271J 0603 270pF Ceramic COG 50V 978-779-3111
18 R1 1 Panasonic ERJ-3EKF6812V 0603 68.1K Ohm Thick Film Res 1% 800-344-4539
19 R2 1 Panasonic ERJ-3EKF2152V 0603 21.5K Ohm Thick Film Res 1% 800-344-4539
20 R3, R4 Not populated
21 R5 1 Panasonic ERJ-3EKF1002V 0603 10.0K Ohm Thick Film Res 1% 800-344-4539
22 RZ2 1 Panasonic ERJ-3EKF3092V 0603 30.9K Ohm Thick Film Res 1% 800-344-4540
23 RZ3 1 Panasonic ERJ-3EKF1001V 0603 1K Thick Film Res 1% 800-344-4539
24 RS1, RS2 2 Panasonic ERJ-3EKF5111V 0603 5.11K Ohm Thick Film Res 1% 800-344-4540
25 RS3 1 Panasonic ERJ-3EKF2002V 0603 10K Ohm Thick Film Res 1% 800-344-4541
26 J1 1 Sullins PTC36SAAN .32x.12 36-Pin (3x12) Header 800-344-4539
27 (J1) 1 Sullins STC02SYAN .2x.1 Shunt 800-344-4539
28
VIN, VOUT, VCC,
GIN, GO, GND, SS,
PWRGD, UVIN
9 Vector Electronic K24C/M .042 Dia Test Point Post 800-344-4539
ORDERING INFORMATION
Model Temperature Range Package Type
SP6136EB..…...........................− 40°C to +85°C.............……..SP6136 Evaluation Board
SP6136ER1............................. − 40°C to +85°C.....................................…….16-pin QFN
P1-P3P4-P6P7-P9

SP6136EB

Mfr. #:
Buy SP6136EB
Manufacturer:
MaxLinear
Description:
Power Management IC Development Tools Synchronous Buck Controller
Lifecycle:
New from this manufacturer.
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