High Effiency DC /DC Converter
20 Watt TSI-20N Series
TSI-20N series is a small size (33×21.5×6mm size) and light weight ( g) step-down DC-DC converter with 20W.
Since it can operate from ultra low output voltage of 0.8V, it can be used for latest DSP, ASIC applications. High efficiency,
ulra high-speed response by synchronous rectification topology. No external components required.
Input: +3.3V/+5.0V Output: +1.8V, +2.0V, +2.5V, +3.3V (+0.8V ~ +3.6V)
Features
- High-speed response
- Ultra high Efficiency 93%
- ON/OFF Control
- Non-Isolated Type Converter
- Amazing Minimum Size
- Operating Temp. -40°C~+85°C
- No Heat Sink required
- Adjustable Output
- Latest Power-IC adopted
- Synchronous Rectification Circuit
- High Reliability, High Performance
- Additional external capacitor not required
- Short-Circuit, Over-Current Protection
Model
Standard Input Input Voltage
Output
Voltage
Vdc
Output
Current
A
Non-Load
Current
Ripple &
Noise
Efficiency
Package
Voltage
Vdc
Range
Vdc~Vdc
mA(typ) mVpp(typ) %(typ)
type
SIP
TSI 20N-0510V
TSI 20N-0510D
TSI 20N-0510S
5.0
+3.0~5.5 (*1) +3.3(0.8~3.6)
6
3
40 93
DIP
SMD
(*1) Input Voltage should be 0.5V or more higher than output voltage.
Specification
Standard Output Voltage When Vadj pin is open, output voltage will be set at +3.3V. (The accuracy of output V setting is ±3% max.)
Adjustable Output V Rang Output Voltage is adjustable according to the range above.
Line Reg.
0.7%typ. 1.5%max. (For the regulation of Input Voltage Range 3.8~5.5V)
2.0%typ. 4.0%max. (For 0~6A of Load Reg., at Rating Input.
Load Reg.
Temp. Coefficient
Ripple & Noise
Efficiency
±0.02%/°C typ. (For the change of Operating Temp. -10°C~+50°C)
120mVpp max. (Rating Input, Rating Output, Room Temp.) (Measurements Frequency Band Width 20MHz)
93% (Rating Input/ Output, Room Temp., Refer Table 1)
Over-Current Protection
Over-Voltage Protection
Standby Current
Remote ON/OFF
Remote Sensing
Operates at 105% or moreRating Load Current, auto recovery type. Avoid long time of short-circuit condition.
None
2.4mA typ.
Between 1pin(ON/OFF) 5~8pin(S.GND) [Open: Output ON, Short: Output OFF(Refer to application)]
The voltage between converter's output pin voltage between 7-8pin and sensing voltage difference
[voltage between 6-9pin] is 10% of sensing voltage (0.1V~0.3V) or below.
Operating Temp. Range Operating Temp. -40°C~+85°C (Refer to the thermal derating graph.)
Storage Temp. Range
Humidity Range
Cooling Condition
Vibration
Storage Temp. -40°C~+85°C
20% ~ 95%R.Hmax. (Max. Wet-bulb Temp. 35°C, non-condensing)
Refer to the thermal derating graph
5~10Hz Every amplitude 10mm (3directions, each for 1hour), 10~55Hz acceleration 2G (3directions, each for 1hour)
4g typ.
Weight
External Dimensions
SIP type W=24 L=33 H=5.0 typ. (mm) (For dimensions refer to outline.)
DIP type W=22.25 L=33 H=6.0 typ. (mm) (For dimensions refer to outline.)
SMD type W=23.9 L=33 H=6.0 typ. (mm) (For dimensions refer to outline.)
* The above specification will be provided at rating value, when there is no specified condition described.
1