Series: -
Number of Outputs: 2
Buck: Yes
Inverting: No
Doubler: No
Divider: No
Cuk: No
Isolated: No
PWM Type: Current Mode
Operating Temperature: -40°C ~ 85°C
Packaging: Tube
Boost: No
Flyback: No
Frequency - Max: 360kHz
Manufacturer: Linear Technology
Duty Cycle: 99.4%
Package / Case: 28-SSOP (0.209", 5.30mm Width)
Voltage - Supply: 3.5 V ~ 30 V
DescriptionThe LTC1628IG is one member of the LTC1628 family which is designed as one kind of high efficiency, 2-phase synchronous step-down switching regulator that can be used in (1)notebook and palmtop computers, PDAs; (2)battery chargers; (3)portable instruments; (4)battery-operated digital devices; (5)DC power distribution systems.
Features of the LTC1628IG are:(1)Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise; (2)OPTI-LOOPTM Comp-ensation Minimizes COUT; (3)Dual N-Channel MOSFET Synchronous Drive; (4)±1% Output Voltage Accuracy; (5)DC Programmed Fixed Frequency 150kHz to 300kHz; (6)Wide VIN Range: 3.5V to 36V Operation; (7)Very Low Dropout Operation: 99% Duty Cycle; (8)Adjustable Soft-Start Current Ramping; (9)Foldback Output Current Limiting; (10)Latched Short-Circuit Shutdown with Defeat Option; (11)Output Overvoltage Protection; (12)Remote Output Voltage Sense; (13)Low Shutdown IQ = 20A; (14)5V and 3.3V Standby Regulators; (15)Small 28-Lead SSOP Package; (16)Selectable Constant Frequency or Burst Mode Operation.
The absolute maximum ratings of the LTC1628IG can be summarized as:(1)Input Supply Voltage: 36V to -0.3V; (2)Lead Temperature (Soldering, 10 sec): 300°C;(3)Storage Temperature Range:65°C to 150°C;(4)Junction Temperature: 125°C;(5)Operating Temperature Range:0°C to 70°C;(6)Operating Ambient Temperature Range: 0°C to 70°C;(7)INTVCC Peak Output Current: 50 mA;(8)Peak Output Current <10ms (TG1, TG2, BG1, BG2): 3 A;(9)FLTCPL Voltage: INTVCC to 0.3V;(10)Top Side Driver Voltages:42V to 0.3V. If you want to know more information such as the electrical characteristics about the LTC1628IG, please download the datasheet in www.seekic.com or www.chinaicmart.com .
Parameters: | Technical/Catalog Information | LTC1628IG |
| Vendor | Linear Technology |
| Category | Integrated Circuits (ICs) |
| Type | Step-Down (Buck) |
| Number of Outputs | 2 |
| Voltage - Input | 3.5 ~ 30 V |
| Voltage - Output | Adj down to 0.8V |
| Current - Output | 3A |
| Power - Output | - |
| Package / Case | 28-SSOP |
| Packaging | Tube |
| Internal Switch(s) | No |
| Synchronous | Yes |
| Rds (On) | - |
| Operating Temperature | -40°C ~ 85°C |
| Frequency - Switching | 220kHz |
| Drawing Number | 161; 05-08-1640; G; 16 |
| Lead Free Status | Contains Lead |
| RoHS Status | RoHS Non-Compliant |
| Other Names | LTC1628IG
LTC1628IG
|
LTC1628IG Data Sheet
