数据搜索系统,热门电子元器件搜索 |
|
L6668 数据表(PDF) 1 Page - STMicroelectronics |
|
L6668 数据表(HTML) 1 Page - STMicroelectronics |
1 / 23 page 1/23 L6668 May 2005 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. 1 General Features ■ MULTIPOWER BCD TECHNOLOGY ■ LOAD-DEPENDENT CURRENT-MODE CON- TROL: FIXED-FREQUENCY (HEAVY LOAD), FREQUENCY FOLDBACK (LIGHT LOAD), BURST-MODE (NO-LOAD) ■ ON-BOARD HIGH-VOLTAGE START-UP ■ IMPROVED STANDBY FUNCTION ■ LOW QUIESCENT CURRENT (< 2 mA) ■ SLOPE COMPENSATION ■ PULSE-BY-PULSE & HICCUP-MODE OCP ■ INTERFACE WITH PFC CONTROLLER ■ DISABLE FUNCTION (ON/OFF CONTROL) ■ LATCHED DISABLE FOR OVP/OTP FUNC- TION ■ PROGRAMMABLE SOFT-START ■ 2% PRECISION REFERENCE VOLTAGE EX- TERNALLY AVAILABLE ■ ±800 mA TOTEM POLE GATE DRIVER WITH INTERNAL CLAMP AND UVLO PULL-DOWN ■ BLUE ANGEL, ENERGY STAR, EU CODE OF CONDUCT COMPLIANT ■ SO16 PACKAGE ECOPACK ® 1.1 APPLICATIONS ■ HI-END AC-DC ADAPTERS/CHARGERS FOR NOTEBOOKS. ■ LCD/CRT MONITORS, LCD/CRT TV ■ DIGITAL CONSUMER Figure 2. Block Diagram 16 Vref + - 1.5V 12 BLANKING R SQ 25V Vcc_OK DIS 0.8V 4R 11R DIS 11 10 3 4 8 5 15 15V CLK COMP SS ISEN RCT S-COMP VCC VREF GND OUT HICCUP 13 SLOPE COMP. VREG VREG 0.4mA TIMING PWM + - 1 HV ST-BY HV generator ON/OFF and UVLO management Vcc_OK 14 PFC_STOP 2.2/2.7V - + OCP DIS OCP - + 9 SKIPADJ SOFT-START HYST. CTRL SQ R SQ R STANDBY 2.2V 7 DIS - + 6 N.C. 16 Vref + - 1.5V 12 BLANKING R SQ 25V Vcc_OK DIS 0.8V 4R 11R DIS 11 10 3 4 8 5 15 15V CLK COMP SS ISEN RCT S-COMP VCC VREF GND OUT HICCUP 13 SLOPE COMP. VREG VREG 0.4mA TIMING PWM + - 1 HV ST-BY HV generator ON/OFF and UVLO management Vcc_OK 14 PFC_STOP 2.2/2.7V - + OCP DIS OCP - + 9 SKIPADJ SOFT-START HYST. CTRL SQ R SQ R STANDBY 2.2V 7 DIS - + 6 N.C. PRELIMINARY DATA SMART PRIMARY CONTROLLER Rev. 1 Figure 1. Package Table 1. Order Codes Part Number Package L6668 SO-16 L6668TR SO-16 in Tape & Reel SO-16 (Narrow) |
类似零件编号 - L6668 |
|
类似说明 - L6668 |
|
|
链接网址 |
隐私政策 |
ALLDATASHEETCN.COM |
ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |