LM5021 AC-DC Current Mode PWM Controller (jp)
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1 LM5021 LM5021 AC-DC Current Mode PWM Controller Literature Number: JAJSAC6
2 LM5021 AC-DC PWM LM5021 (PWM) LM5021 (25 A) 1 ( ENERGY STAR CECP ) Hiccup (Hiccup ) 8 LM ns 1MHz AC-DC PWM 5021 LM Steve Schulte ds composed for release on CODE S per Campbell. SN composed for Code R. SN composed with edits on text and graphics. SN added engineering disclaimer (on Prelim. documents ONLY). SN composed first pass. SN Copy and renamed from DS LM5020 for shantha - Vee ( 25 A) 0.7A (LM % LM %) (LM ) (UVLO) Hiccup : MSOP-8 MDIP-8 LM5021 LM5021 AC-DC PWM National Semiconductor Corporation DS JP 1
3 LM5021 TopView MSOP-8 and MDIP-8 1 COMP Hiccup COMP 5k 2 VIN VIN 36V 3 VCC 8.5V VCC LM OUT MOSFET MOSFET 0.3A 0.7A 5 GND 6 CS CS 0.5V OUT Low CS OUT High 90ns Low 7 RT / SYNC RT GND 8 SS /Hiccup 22 A Hiccup 2
4 (Note 1) VIN GND 0.3V 30V VIN 5mA CS GND 0.3V 1.25V RT GND 0.3V 5.5V GND 0.3V 7.0V ESD (Note 2) (Note 1) VIN (Note 5) 2kV V 30V LM5021 (Note 3) T J 25 V IN 15V R T 44.2K 3
5 LM5021 (Note 3)( ) T J 25 V IN 15V R T 44.2K Note 1: Note 2: Note 3: Note 4: Note 5: 100pF 1.5K Min Max 25 (SQC) (AOQL) VIN 20V 4
6 LM5021 FIGURE
7 LM5021 T J 25 VIN Start-Up Current VIN UVLO VIN Current vs OUT Load VIN Voltage Falling vs VCC Voltage OUT Driver Current vs Temperature Hiccup Mode Deadtime vs Softstart Capacitance 6
8 ( ) T J 25 Output Switching Frequency vs RT LM5021 Figure 2 AC HV C VIN Rstart C VIN LM5021 VIN 18 A ( ) VIN VIN UVLO 20V VCC VIN UVLO 7.25V (12.5 ) VCC VCC VCC VCC VCC UVLO 7V PWM VCC UVLO 1.2V VCC VCC UVLO Figure 2 ( BIAS WINDING) VIN VCC VIN 11V (VCC VCC ) 30V ( VIN ) VCC UVLO ( 5.8V) VCC Rstart LM5021 Rstart ( 3M ) FIGURE 2 Start-Up Circuit Block Diagram 7
9 LM5021 ( ) C IN V CC C VCC VIN 20V VCC C VIN C VCC VIN VIN' VCC C VCC C VIN VIN x C VIN = DVCC x C VCC (20V - V IN' ) C VIN 8.5V C VCC C VIN 10 F C VCC 1 F VIN 0.85V VIN 19.15V VCC (1 F ) C VIN VCC VIN LM5021 C VIN VCC VCC UVLO VCC LM5021 (Qg) 25nC MOSFET Fsw Qg Fsw 150kHz 3.75mA 2.5mA C VIN 6.25mA C VIN C VIN 8.5V C VIN VIN (19.15V 8.5V) VCC (6.25mA) Tmax Tmax Cin VCC C VIN AC (Figure 2 HV) VIN 20V C VIN PWM / PWM COMP COMP 1.25V 1/3 COMP 1.25V PWM 50 ( ) LM CS 1.8k CS 50 LM / LM mV CS 500mV OUT FET CS RC CS PWM 90nS FET LM5021 CS CS (CS GND) FET ( ) RT GND LM LM LM (OUT) 2 1 LM (Fsw) RT 8
10 ( ) LM5021-1: LM5021-2: LM5021 RT 100pF RT RT 3.8V RT DC 2V RT AC 1.8V 15ns 150ns RT RT LM5021 (RT GND) LM A 0.7A (OUT) LM LM LM LM LM PWM (OUT ) 2 LM LM PWM 22 A SS COMP Hiccup Figure3 5 LM5021 Hiccup Css SS 22 A (V SS_OCV 5.2V) COMP SS COMP ( ) COMP 1.25V 2.75V COMP 1.25V COMP 2.75V 0.5V COMP COMP (V OVLD 4.6V) SS Css 10 A I OVCS SS Hiccup (V HIC 4.6V) COMP V OVLD Hiccup OUT Low SS 10 A 0.25 A I DTCS SS (V RST 0.3V) 22 A C SS SS Hiccup MOSFET Hiccup : C SS F Toff 808ms Hiccup Hiccup C SS 10 A SS Hiccup Figure5 SS Hiccup LM5021 Hiccup Hiccup 1 : C SS F Toverload 2.82ms 9
11 LM5021 ( ) FIGURE 3. Hiccup Mode Control FIGURE 4 Waveform at SS and COMP Pin due to Continuous Overload 10
12 ( ) LM5021 FIGURE 5. Waveform at SS and COMP Pin due to Brief Overload MOSFET PWM MOSFET LM5021 COMP Figure 6 PWM 1.25V 3:1 COMP COMP PWM PWM 125mV COMP COMP PWM 130mV (5mV ) 11
13 LM5021 ( ) FIGURE 6. Skip Cycle Control 12
14 LM
15 LM5021 millimeters 8 Lead MSOP Package NS Package Number MUA08A 8 Lead MDIP Package NS Package Number N08E 14
16 LM5021 AC-DC PWM (CEO) (GENERAL COUNSEL) a (b) National Semiconductor Copyright 2005 National Semiconductor Corporation / TEL.(03)
17 IMPORTANT NOTICE
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LTC / GND CNECTOR CNECTOR R Q 0.00Ω MTB0N0V SENSE LTC GND C 0.µF R 0Ω FB C 0.µF.k % R.k % µp C 00µF V BACKPLANE PLUG-IN CARD TA0 LTC GND N PACKAGE -LEAD PDIP TOP VIEW SENSE FB S PACKAGE -LEAD PLASTIC SO
8ピン擬似共振制御グリーン･モード･コントローラ
UCC8600 µ TYPICAL APPLICATION Primary Secondary C BULK R SU N P NS R DD Q ST N B R ST R ST1 C DD R OVP1 UCC8051 C SS 18 V 1 UCC8600 SS STATUS 8 1 VO_SNS VCC 8 FB OVP 7 COMP DRV 7 3 CS VDD 6 R OVP M1 3
51505agj.PDF
Type No. 2002 7 3 ******** 1.... 2 2.... 3 3.... 7 4. I/O... 9 5.... 11 6.... 12 7.... 16 8.... 16 9.... 16 10.... 17 11.... 18 CORPORATION Page 1/18 1. min. -20max. 70 min. -20max. 70 20 2 5 8 1 83.0
MAX985-994 DS.J
9-9; Rev ; 7/97 µ MAX98 Push/Pull MAX986 Open-Drain MAX989 Push/Pull MAX990 Open-Drain MAX99 Push/Pull MAX99 Open-Drain 8 SO/ SOT- 8 SO/ SOT- 8 SO/µMAX 8 SO/µMAX SO SO µ µ µ PART MAX98EUK-T MAX98ESA MAX986EUK-T
NJW4124 IC ( ) NJW4124 AC-DC 1cell/2cell IC / 1 NJW4124M / Bi-CMOS NJW4124M : DMP20 P-CHG 1 20 Q-CHG NFB 2 19 CS1 TX-SW 3 18 CS2 GND 4 17 VS PC 5 16 V
IC ( ) AC-DC 1cell/2cell IC / 1 M / Bi-CMOS M : DMP20 P-CHG 1 20 Q-CHG NFB 2 19 CS1 TX-SW 3 18 CS2 GND 4 17 VS PC 5 16 VREF ADP 6 15 V + 7 14 TDET 8 13 TH C1 9 12 TL C2 10 11 CHG-SW M - 1 - (Ta=25 C) V
pc725v0nszxf_j
PC725NSZXF PC725NSZXF PC725NSZXF PC725 DE file PC725 Date Jun. 3. 25 SHARP Corporation PC725NSZXF 2 6 5 2 3 4 Anode Cathode NC Emitter 3 4 5 Collector 6 Base PC725NSZXF PC725YSZXF.6 ±.2.2 ±.3 SHARP "S"
MB (FRONT VIEW) (TOP VIEW) VSA VSB / RESIN VSC VSA OUTC VSB /RESIN GND GND OUTC (DIP-P-M0) (FPT-P-M0) VSC (SIP-P-M0) VSA VSB / RESIN 00 kω 0 kω + + Co
DATA SHEET DS0 00 ASSP BIPOLAR MB MB IC V (VSA =. V ±. ) (VSB =. V ±. ) (+ V ) ( = 0. V ) ( ) (ICC = 0. ma = V) DIP, SIP, SOIP, (DIP-P-M0) (SIP-P-M0) (FPT-P-M0) MB (FRONT VIEW) (TOP VIEW) VSA VSB / RESIN
リードタイプ円板型セラミックコンデンサ（安全規格認定品）樹脂モールド面実装タイプセラミックコンデンサ（安全規格認定品）
!! !! D max. e F±1.0 T max. 25.0 min. 3.0 max. ød (in mm) Lead Code Coating Extension e ød A3 Up to the end of crimp 0.6±0.05 D max. T max. e F±0.8 Lead Code J3 3.5± 1.0 0.5 Coating Extension e ød Up
NJW4108 IC ( ) NJW4108 1cell/2cell IC NJW4108V / Bi-CMOS NJW4108V : SSOP20 P-CHG 1 20 Q-CHG NFB 2 19 CS1 CNT 3 18 CS2 GND 4 17 VS NC 5 16 VREF F-CHG 6
IC ( ) 1cell/2cell IC V / Bi-CMOS V : SSOP20 P-CHG 1 20 Q-CHG NFB 2 19 CS1 CNT 3 18 CS2 GND 4 17 VS NC 5 16 VREF F-CHG 6 15 V + 7 14 TDET 8 13 TH C1 9 12 TL C2 10 11 V - 1 - (Ta=25 C) V + +15 V C1 V C1
The DatasheetArchive - Datasheet Search Engine
Bipolar Analog Integrated Circuit 3 IC 3 5 V, 8 V, 12 V, 15 V, 18 V, 24 V 6 1 A Marking Side TO-22 MP-45G 4 MIN. µpc1435 5 V µpc1435 3 SIP TO-22 MP-45G 1 2 3 1 INPUT 2 GND 3 OUTPUT µ PC1435HF TO-22 MP-45G
ELCODIS.COM - ELECTRONIC COMPONENTS DISTRIBUTOR
Bipolar Analog Integrated Circuit 3 IC 3 5 V, 8 V, 12 V, 15 V, 18 V, 24 V 6 1 A Marking Side TO-22 MP-45G 4 MIN. µpc1435 5 V µpc1435 3 SIP TO-22 MP-45G 1 2 3 1 INPUT 2 GND 3 OUTPUT µ PC1435HF TO-22 MP-45G
ECO-MODE™ 搭載、1.5A、42V、降圧型 SWIFT™ DC/DC コンバータ
www.tij.co.jp TPS54140 Ω µ µ µ µ VIN PWRGD TPS54140 EN BOOT PH 90 85 80 SS /TR RT /CLK COMP VSENSE GND Efficiency - % 75 70 65 60 55 V= I 12 V, V O = 3.3 V, f sw = 1200 khz 50 0 0.25 0.50 0.75 1 1.25 1.50
F9222L_Datasheet.pdf
Introduction Fuji Smart power device M-POWER2 for Multi-oscillated current resonant type power supply Summary System: The ideal and Fuji s original system It includes many functions(soft-switching,stand-by).
32R22J NN332AEVB
32R22J Total Pages 4 Page The product specifications described in this book are subject to change without notice for the product which is currently under development. At the final stage of your design,
HA1631S01/02/03/04シリーズ データシート
H1631S1/2/3/4 CMOS (/ ) R3DS85JJ5 Rev.5. 215.7.1 H1631S1/2/3/4 CMOS IC 1.8V H1631S1/2 H1631S3/4 CMPK-5 SOP-8 1/8 H1631S1/3 : I DDtyp = 5μ () H1631S2/4 : I DDtyp = 5μ () : V DD = 1.8 5.5V : V IOmax = 5mV
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PGA116 PGA112 PGA113 PGA117 PGA112, PGA113 PGA116, PGA117 www.tij.co.jp µµ µµ ± µ +5V +3V AV DD 1 C BYPASS.1µF DV DD C BYPASS.1µF C BYPASS.1µF V CAL/CH CH1 3 2 1kΩ MUX CAL1 PGA112 PGA113 R F 1 Output Stage
pc910l0nsz_j
PC90L0NSZ0F PC90L0NSZ0F µ µ µ PC90L PC90L Date Sep.. 00 SHARP Corporation 7 NC Anode Cathode NC 7 GND V O (Open collector) V E (Enable) V CC H H L L H H H L H L L H L: (0) H: () PC90L0NSZ0F PC90L0YSZ0F