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Resonant LCC 90 W notebook power adapter based on the L6599 and STP12NM50N
Data Brief
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Last Updated: 18/06/2008
Pages: 4
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STEVAL-ISC002V1
Resonant LCC 90 W notebook power adapter based on the L6599 and STP12NM50N
Data Brief
Features
Dimensions (L/W/H): 132 mm / 52 mm / 22 mm Universal AC mains range: 90 VAC to 264 VAC High output power: 90 W (4.74 A, 19 VDC) Very low output noise and ripple: less than 300 m VP-P Very low standby power: less than 0.5 W at 264 V Hiccup mode: Auto recovery with SCP Latch mode: OVP acts while VOUT > 29 VDC Efficiency > 88% at universal AC mains range STEVAL-ISC002V1
Description
This demonstration board is a 90 W wide-range mains AC-DC adapter which is power factor corrected. Its electrical specifications are suitable for typical high-end portable computer power adapters. The particular benefits of this design are the very low no-load input consumption (<0.5 W) and the very high global efficiency. The architecture is based on a two-stage approach: a front-end PFC pre-regulator based on the L6563 TM PFC controller and a downstream multi-resonant half-bridge converter that makes use of the L6599 resonant controller.
June 2008
Rev 1
1/4
www.st.com 4
For further information contact your local STMicroelectronics sales office.
1
+
1 F1 CN1 T4A/250 VAC 1 680 L R1 K FL1 CX1 FG 2 R2 680 K 0.47 F 680 /250 V N 3 R3 K R50 R51 R52 R53 NC NC R23 1 M R24 1 M R29 8.2 K R25 15 K R30 22 K C14 68 PF R28 3 M R27 2 M CY1 3300PY1 NC NC
1
+
+
+
C6 R12 1 1 F/ 25 V 22 K 2 3 C7 4 R13 1000 PF 5 20 K 6 R14 C8 7 150 K 0.47 STP12N M50 R16 0 Q3 D2 2 1 1 3 2 3 R18 22 K
+
F
NV VCC 14 COMP 13 GD 12 MULT PWM-GND 11 CS ZCD VFF RUN 10 TBO 9 PWM-STOP PFC-OK 8 PWM-LATCH
1N4148 C11 2.2 nF R17 4.7 R19 1 k R20 0.27 2
R15 240 K
C9
C10 33 nF
1000 PF
4401 Q4 R21 100 K R41 2.7 K C21 NC R40 0
39 L6599 R31 C23 0.1 F D4 1N4148 U2 Q5 1 VBOOT 16 STP9NK50ZFP R43 R202 R203 CR201 2 CSS HVG 15 R44 LP-2920 L201 CN2 DELAY T1 7 STPS20L60CT NC NC 1 100 K 47 3 CF 6 OUT 14 +19 V 0.022 F/ 8 470 pF NPO R201 4 RFMIN NC 13 C24 C25 ZD3 300 VAC4 11 C201C202 NC C203 C204 GND R35 15 V R34 NTC2 5 STBY V 0.1 F 2 0.1 F 47 F 470 F CC 12 12 CR202 470 F 470 F 0 15 NC Q6 R45 /25 V / 25 V / 25 V / 25 V K / 25 V 6 ISEN LVG 11 C26 10 C12 MKDSN1.5_2P R36 47 7 LINE GND 10 9 1 NC NC R46 STPS20L60CT R204 D5 100 K 8 DISABLE 9 PFC_STOP 1N4148 100 2 STP9NM50ZFP D6 C27 R47 C18 R48 470 nF R206 1N4148 220 P 100 0.1 F R37 R205 C205 6.8 R208 39 K D7 / 500 V X7R 3.9 K 1/4 W NC 1 F C22 120 1% 1N4148 D8 ZD2 C206 R207 NC C28 R38 BZV55C22 1N4148 0 220 F 10 K C19 / 35 V 0.1 F / 25 V C20 R40 R39 680 220 200 K PF C15 22 F / 6.3 V C16 R33 2.7 0.22 F R32 K 1 M C17
+ +
2/4
Schematic diagram
Figure 1.
0.47 F /250 V BD1
CX2
26 4 VAC
FOTC1905500800A
X 1N4 148 ZD1 B ZV55-C15
R8
3 QP-25 D3 NTC1 4 L1 2 SCK2R55A D2SB60A C1 R4 R6 STTH2R06 C13 1 M 3 M 0.47 F 68 F / 450 V 6 7 R5 R7 /450 V 1.5 M 2 M STD1NK 60-1 Q1 Q2 R26 4401 82 K D1
Schematic diagram
100 K
C2 NC
R9 12 K
C5 10 nF U1
L6563
C4 47 F / 25 V C3 0.1 F R10 10 K R11 62 K
R22 6.8 k
D9 1N4148 X
Q7 KST4401 R49 4.3 K ZD4 BZV55C15
C208 R211
R212 NC 120 K 6 K 2F
Resonant LLC 90 W notebook power adapter schematic diagram
U3 R209 NC R210 C207 PC817B 2.2 K 0.22 F IC201 TL431
STEVAL-ISC002V1
AM00204
STEVAL-ISC002V1
Revision history
2
Revision history
Table 1.
Date 11-June-2008
Document revision history
Revision 1 Initial release. Changes
3/4
STEVAL-ISC002V1
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