Series: -
Output Type: Adjustable
Number of Outputs: 1
Mounting Type: Surface Mount
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package: 8-SOIC
Operating Temperature: -40°C ~ 85°C
Synchronous Rectifier: Yes
Packaging: Tube
Type: Step-Down (Buck)
Current - Output: 500mA
Manufacturer: Linear Technology
PWM Type: Current Mode, Hybrid
Voltage - Output: 0.8 V ~ 8.5 V
Voltage - Input: 2.65 V ~ 8.5 V
Frequency - Switching: 35kHz ~ 350kHz
DescriptionThe LTC1627IS8 is one member of the LTC1627 family which is designed as one kind of monolithic synchronous step-down switching regulator that can be used in (1)Cellular Telephones; (2)Portable Instruments; (3)Wireless Modems; (4)RF Communications; (5)Distributed Power Systems; (6)Scanners; (7)Single and Dual Cell Lithium.
Features of the LTC1627IS8 are:(1)High Efficiency: Up to 95%; (2)Constant Frequency 350kHz Operation; (3)2.65V to 8.5V VIN Range; (4)VOUT from 0.8V to VIN, IOUT to 500mA; (5)No Schottky Diode Required; (6)Synchronizable Up to 525kHz; (7)Selectable Burst ModeTM Operation; (8)Low Dropout Operation: 100% Duty Cycle; (9)Precision 2.5V Undervoltage Lockout; (10)Secondary Winding Regulation; (11)Current Mode Operation for Excellent Line and Load Transient Response; (12)Low Quiescent Current: 200mA; (13)Shutdown Mode Draws Only 15mA Supply Current; (14)±1.5% Reference Accuracy; (15)Available in 8-Lead SO Package.
The absolute maximum ratings of the LTC1627IS8 can be summarized as:(1)Input Supply Voltage: 0.3V to 10V; (2)Driver Supply Voltage (VIN VDR): 0.3V to 10V; (3)ITH Voltage: 0.3V to 5V; (4)Run/SS, VFB Voltages: 0.3V to VIN; (5)Sync/FCB Voltage: 0.3V to VIN; (6)VDR Voltage (VIN </= 5V): 5V to 0.3V; (7)P-Channel Switch Source Current (DC): 800mA; (8)N-Channel Switch Sink Current (DC): 800mA; (9)Peak SW Sink and Source Current: 1.5A; (10)Operating Ambient Temperature Range: 0°C to 70°C; (11)Junction Temperature: 125°C; (12)Storage Temperature Range: 65°C to 150°C; (13)Lead Temperature (Soldering, 10 sec): 300°C. If you want to know more information such as the electrical characteristics about the LTC1627IS8, please download the datasheet in www.seekic.com or www.chinaicmart.com .
Parameters: | Technical/Catalog Information | LTC1627IS8 |
| Vendor | Linear Technology |
| Category | Integrated Circuits (ICs) |
| Type | Step-Down (Buck) |
| Number of Outputs | 1 |
| Voltage - Input | 2.65 ~ 8.5 V |
| Voltage - Output | 0.8 ~ 8.5 V |
| Current - Output | 500mA |
| Power - Output | - |
| Package / Case | 8-SOIC (3.9mm Width) |
| Packaging | Tube |
| Internal Switch(s) | Yes |
| Synchronous | Yes |
| Rds (On) | 600 mOhm (N-Chan), 500 mOhm (P-chan) |
| Operating Temperature | -40°C ~ 85°C |
| Frequency - Switching | 35kHz ~ 350kHz |
| Drawing Number | 161; 05-08-1610; S; 8 |
| Lead Free Status | Contains Lead |
| RoHS Status | RoHS Non-Compliant |
| Other Names | LTC1627IS8
LTC1627IS8
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LTC1627IS8 Data Sheet
