Series: -
Buck: Yes
Inverting: No
Doubler: No
Divider: No
Cuk: No
Isolated: No
Operating Temperature: 0°C ~ 70°C
PWM Type: Current Mode
Number of Outputs: 1
Packaging: Tube
Boost: No
Flyback: No
Package / Case: 16-SSOP (0.154", 3.90mm Width)
Manufacturer: Linear Technology
Duty Cycle: 99%
Frequency - Max: 165kHz
Voltage - Supply: 3.7 V ~ 36 V
Pinout
DescriptionThe LTC1625CGN is one member of the LTC1625 family which is designed as one kind of synchronous step-down switching regulator controller that drives external N-Channel power MOSFETs using few external components. This device can be used in (1)Notebook and Palmtop Computers, PDAs; (2)Cellular Telephones and Wireless Modems; (3)Battery Chargers; (4)Distributed Power. A wide supply range allows operation from 3.7V to 36V at the input and 1.19V to VIN at the output.
Features of the LTC1625CGN are:(1)Highest Efficiency Current Mode Controller; (2)No Sense Resistor Required; (3)Stable High Current Operation; (4)Dual N-Channel MOSFET Synchronous Drive; (5)Wide VIN Range: 3.7V to 36V; (6)Wide VOUT Range: 1.19V to VIN; (7)±1% 1.19V Reference; (8)Programmable Fixed Frequency with Injection Lock; (9)Very Low Drop Out Operation: 99% Duty Cycle; (10)Forced Continuous Mode Control Pin; (11)Optional Programmable Soft Start; (12)Pin Selectable Output Voltage; (13)Remote Output Voltage Sense; (14)Logic Controlled Micropower Shutdown: IQ < 30uA; (15)Available in 16-Lead Narrow SSOP and SO Packages.
The absolute maximum ratings of the LTC1625CGN can be summarized as:(1)Input Supply Voltage (VIN):36V to -0.3V;(2)Topside Driver Supply Voltage (BOOST):42V to -0.3V;(3)Switch Voltage (SW):VIN + 5V to 5V;(4)Differential Boost Voltage:7.0V to -0.3V;(5)SENSE Voltage:INTVCC + 0.3V to -0.3V;(6)Peak Driver Output Current < 10ms (TG):2 A;(7)operating temperature range commercial:0°C to 70°C;(8)storage temperature range:-65°C to 150°C;(10)lead temperature (soldering, 10 sec):300°C. If you want to know more information such as the electrical characteristics about the LTC1625CGN, please download the datasheet in www.seekic.com or www.chinaicmart.com .
Parameters: | Technical/Catalog Information | LTC1625CGN |
| Vendor | Linear Technology |
| Category | Integrated Circuits (ICs) |
| Type | Step-Down (Buck) |
| Number of Outputs | 1 |
| Voltage - Input | 3.7 ~ 36 V |
| Voltage - Output | 1.19 ~ 36 V |
| Current - Output | 50mA |
| Power - Output | - |
| Package / Case | 16-SSOP |
| Packaging | Bulk |
| Internal Switch(s) | No |
| Synchronous | Yes |
| Rds (On) | - |
| Operating Temperature | 0°C ~ 70°C |
| Frequency - Switching | 150kHz |
| Drawing Number | 161; 05-08-1641; GN; 16 |
| Lead Free Status | Contains Lead |
| RoHS Status | RoHS Non-Compliant |
| Other Names | LTC1625CGN
LTC1625CGN
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LTC1625CGN Data Sheet
