 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
LT1576CS8 Datasheet(PDF) 2 Page - Linear Technology |
|
|
|||||||||||||||||||||||||||||
LT1576CS8 Datasheet(HTML) 2 Page - Linear Technology |
|
|
2 / 28 page  2 LT1576/LT1576-5 ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION (Note 1) Input Voltage .......................................................... 25V BOOST Pin Above Input Voltage ............................. 10V SHDN Pin Voltage ..................................................... 7V BIAS Pin Voltage ...................................................... 7V FB Pin Voltage (Adjustable Part) ............................ 3.5V FB Pin Current (Adjustable Part) ............................ 1mA SYNC Pin Voltage ..................................................... 7V Operating Junction Temperature Range LT1576C ............................................... 0 °C to 125° C LT1576I ........................................... – 40 °C to 125°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C ORDER PART NUMBER LT1576CS8 LT1576CS8-SYNC LT1576IS8 LT1576IS8-SYNC LT1576CS8-5 LT1576CS8-5 SYNC LT1576IS8-5 LT1576IS8-5 SYNC S8 PART MARKING 1576 1576SN 1576I 576ISN *Default is the adjustable output voltage device with FB pin and shutdown function. Option -5 replaces FB with SENSE pin for fixed 5V output applications. -SYNC replaces SHDN with SYNC pin for applications requiring synchronization. Consult factory for Military grade parts. 1 2 3 4 8 7 6 5 TOP VIEW S8 PACKAGE 8-LEAD PLASTIC SO VSW VIN BOOST GND FB OR SENSE* VC BIAS SHDN OR SYNC* θJA =80°C/ W WITH FUSED GROUND PIN CONNECTED TO GROUND PLANE OR LARGE LANDS PARAMETER CONDITIONS MIN TYP MAX UNITS Feedback Voltage 1.195 1.21 1.225 V All Conditions q 1.18 1.24 V Sense Voltage (Fixed 5V) 4.94 5.0 5.06 V All Conditions q 4.90 5.10 V SENSE Pin Resistance 13 18.5 26 k Ω Reference Voltage Line Regulation 5V ≤ VIN ≤ 25V 0.01 0.03 %/V Feedback Input Bias Current q 0.5 2 µA Error Amplifier Voltage Gain (Notes 2, 8) 200 400 Error Amplifier Transconductance ∆I (VC) = ±10µA (Note 8) 800 1050 1300 µMho q 400 1700 µMho VC Pin to Switch Current Transconductance 1.5 A/ V Error Amplifier Source Current VFB = 1.1V q 40 110 190 µA Error Amplifier Sink Current VFB = 1.4V q 50 130 200 µA VC Pin Switching Threshold Duty Cycle = 0 0.8 V VC Pin High Clamp 2.1 V Switch Current Limit VC Open, VFB = 1.1V, DC ≤ 50% q 1.5 2 3.50 A Slope Compensation (Note 9) DC = 80% 0.3 A Switch On Resistance (Note 7) ISW = 1.5A 0.2 0.35 Ω q 0.45 Ω Maximum Switch Duty Cycle VFB = 1.1V 90 94 % q 86 94 % ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA, TJ = 25°C, VIN = 15V, VC = 1.5V, Boost = VIN + 5V, switch open, unless otherwise noted. 15765 5765SN 1576I5 76I5SN |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | 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 |
New Zealand ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
