Electronic Components Datasheet Search |
|
SP4446 Datasheet(PDF) 2 Page - Sipex Corporation |
|
SP4446 Datasheet(HTML) 2 Page - Sipex Corporation |
2 / 10 page 2 Rev. 7/14/03 SP4446 High Output Voltage Boost Regualtor, LCD Bias Regulator © Copyright 2003 Sipex Corporation PIN DESCRIPTION V IN ....................................................................... 15V SW Voltage .............................................. -0.4 to 34V FB Voltage .......................................................... 2.5V All other pins .................................. -0.3 to V CC + 0.3V Current into FB ................................................. ±1mA T J Max ............................................................. 125°C Operating Temperature Range ............ -40°C to 85°C Peak Output Current < 10us SW .................... 500mA Storage Temperature ...................... -65°C to +150°C Power Dissipation. ......................................... 200mW PARAMETER SYMBOL MIN TYP MAX UNITS CONDITIONS Input voltage VIN 1.0 8.0 V Switch Current Limit = 150mA Supply Current IQ 20 30 µA ♦ No Switching 0.01 1 µA SHDN = 0V Reference Voltage VFB 1.17 1.22 1.27 V ♦ FB Hysteresis HYST 8 mV VFB Input Bias Current IFB 15 80 nA ♦ VFB = 1.22V Line Regulation ∆Vo/∆VI 0.04 %/V 1.2 ≤ VIN ≤ 8V Switch Off Time TOFF 300 nS VFB > 1V 1200 nS VFB < 0.3V Switch Saturation Voltage VCESAT 50 mV ♦ ISW = 50mA 150 mV ISW = 150mA Switch Current Limit ILIM 100 150 200 mA ♦ SHDN Bias Current ISHDN 512 µA ♦ VSHDN = 5V SHDN High Threshold (on) VIH 0.9 V SHDN Low Threshold (off) VIL 0.25 V Switch Leakage Current ISWLK 25 µA ♦ Switch Off, VSW = 5V ELECTRICAL CHARACTERISTICS Specifications are at VIN = 3.3V, VSHDN = VIN, TA = 25°C, ♦ denotes the specifications which apply over the full operating temperature range, unless otherwise specified. ABSOLUTE MAXIMUM RATINGS Lead Temperature (Soldering, 10 sec) ............ 300°C ESD Rating ................................................. 2kV HBM These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. PIN NUMBER PIN NAME DESCRIPTION 1SW Switch input to the internal power switch. 2 GND Ground 3FB Feedback 4 SHDN Shutdown. Pull high (on) to enable. Pull low (off) for shutdown. 5VIN Input Voltage. Bypass this pin with a capacitor as close to the device as possible. |
Similar Part No. - SP4446 |
|
Similar Description - SP4446 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List 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 |