数据搜索系统,热门电子元器件搜索 |
|
UC2577TDKTTT-ADJ 数据表(PDF) 2 Page - Texas Instruments |
|
UC2577TDKTTT-ADJ 数据表(HTML) 2 Page - Texas Instruments |
2 / 14 page PARAMETER TEST CONDITIONS MIN TYP MAX UNITS System Parameters Circuit Figure 1 (Note 3) Output Voltage VIN = 5V to 10V, ILOAD = 100mA to 800mA 11.40 12.0 12.60 V TJ = 25 °C 11.60 12.40 V Line Regulation VIN = 3.0V to 10V, ILOAD = 300mA 20 100 mV TJ = 25 °C50 mV Load Regulation VIN = 5V, ILOAD = 100mA to 800mA 20 100 mV TJ = 25 °C50 mV Efficiency VIN = 5V, ILOAD = 800mA 80 % Device Parameters Input Supply Current VFB = 1.5V (Switch Off) 7.5 14 mA TJ = 25 °C10 mA ISWITCH = 2.0A, VCOMP = 2.0V (Max Duty Cycle) 45 85 mA TJ = 25 °C70 mA Input Supply UVLO ISWITCH = 100mA 2.70 2.95 V TJ = 25 °C2.85 V Oscillator Frequency Measured at SWITCH Pin, ISWITCH = 100mA 42 52 62 kHz TJ = 25 °C48 56 kHz Reference Voltage Measured at FB Pin, VIN = 3.0V to 40V, VCOMP = 1.0V 1.206 1.230 1.254 V TJ = 25 °C 1.214 1.246 V Reference Voltage Line Regulation VIN = 3.0V to 40V 0.5 mV Error Amp Input Bias Current VCOMP = 1.0V 100 800 nA TJ = 25 °C 300 nA Error Amp Transconductance ICOMP = −30µA to +30µA, VCOMP = 1.0V 1600 3700 5800 µmho TJ = 25 °C 2400 4800 µmho Error Amp Voltage Gain VCOMP = 0.8V to 1.6V, RCOMP = 1.0MW (Note 4) 250 800 V/V TJ = 25 °C 500 V/V Error Amplifier Output Swing Upper Limit VFB = 1.0V 2.0 2.4 V TJ = 25 °C2.2 V Lower Limit VFB = 1.5V 0.3 0.55 V TJ = 25 °C0.40 V Error Amp Output Current VFB = 1.0V to 1.5V, VCOMP = 1.0V ±90 ±200 ±400 µA TJ = 25 °C ±130 ±300 µA Soft Start Current VFB = 1.0V, VCOMP = 0.5V 1.5 5.0 9.5 µA TJ = 25 °C2.5 7.5 µA Maximum Duty Cycle VCOMP = 1.5V, ISWITCH = 100mA 90 95 % TJ = 25 °C93 % Unless otherwise stated, these specifications apply for TA = −40°C to +125°C, VIN = 5V, VFB = VREF, ISWITCH = 0, and TA =TJ. ELECTRICAL CHARACTERISTICS RECOMMENDED OPERATING RANGE Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V Output Switch Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65V Output Switch Current (Note 2) . . . . . . . . . . . . . . . . . . . . . 6.0A Power Dissipation . . . . . . . . . . . . . . . . . . . . . . Internally Limited Storage Temperature Range . . . . . . . . . . . . . −65°C to +150°C Lead Temperature (Soldering, 10 sec.) . . . . . . . . . . . . . . 260 °C Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . 150 °C Minimum ESD Rating (C = 100pF, R = 15k Ω) . . . . . . . . . . . 2kV ABSOLUTE MAXIMUM RATINGS (Note 1) UC2577-ADJ Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . 3.0V ≤ VIN ≤ 40V Output Switch Voltage . . . . . . . . . . . . . . . 0V ≤ VSWITCH ≤ 60V Output Switch Current . . . . . . . . . . . . . . . . . . . . ISWITCH ≤ 3.0A Junction Temperature Range . . . . . . . . . . −40°C ≤ TJ ≤ +125°C 2 |
类似零件编号 - UC2577TDKTTT-ADJ |
|
类似说明 - UC2577TDKTTT-ADJ |
|
|
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 |