 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
LT1307BCS8 Datasheet(PDF) 7 Page - Linear Technology |
|
||||||||||||||||||||||||||||||
LT1307BCS8 Datasheet(HTML) 7 Page - Linear Technology |
|
|
7 / 20 page  7 LT1307/LT1307B BLOCK DIAGRAM VC (Pin 1): Compensation Pin for Error Amplifier. Con- nect a series RC from this pin to ground. Typical values are 100k Ω and 680pF. Minimize trace area at VC. FB (Pin 2): Feedback Pin. Reference voltage is 1.22V. Connect resistor divider tap here. Minimize trace area at FB. Set VOUT according to: VOUT = 1.22V(1 + R1/R2). SHDN (Pin 3): Shutdown. Ground this pin to turn off switcher. Must be tied to VIN (or higher voltage) to enable switcher. Do not float the SHDN pin. GND (Pin 4): Ground. Connect directly to local ground plane. PIN FUNCTIONS SW (Pin 5): Switch Pin. Connect inductor/diode here. Minimize trace area at this pin to keep EMI down. VIN (Pin 6): Supply Pin. Must have 1µF ceramic bypass capacitor right at the pin, connected directly to ground. LBI (Pin 7): Low-Battery Detector Input. 200mV refer- ence. Voltage on LBI must stay between ground and 700mV. LBO (Pin 8): Low-Battery Detector Output. Open collec- tor, can sink 10 µA. A 1MΩ pull-up is recommended. Figure 2. LT1307/LT1307B Block Diagram – + – + – + – + + + Σ COMPARATOR RAMP GENERATOR R BIAS VC gm Q2 ×10 Q1 FB FB ENABLE 200mV A = 3 FF A2 A1 ERROR AMPLIFIER A4 0.15 Ω DRIVER SW GND 1307 F02 Q3 Q S 600kHz OSCILLATOR 5 LBO LBI SHDN SHUTDOWN 3 7 1 4 R6 40k R5 40k R1 (EXTERNAL) R3 30k R4 140k 2 VIN VIN VOUT 6 8 R2 (EXTERNAL) *HYSTERESIS IN LT1307 ONLY * |
Similar Part No. - LT1307BCS8 |
|
Similar Description - LT1307BCS8 |
|
|
|
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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
