PT6674 Datasheet, PDF (2/5 Pages) Texas Instruments – 5V/3.3V Input 20W Boost Integrated Switching Regulator

PT6670 Series
5V/3.3V Input 20W Boost
Integrated Switching Regulator
Preliminary Specifications (continued)
Characteristics
(Ta = 25°C unless noted)
Switching Frequency
Absolute Maximum
Operating Temperature Range
Recommended Operating
Temperature Range
Storage Temperature
Mechanical Shock
Mechanical Vibration
Weight
Symbols
ƒo
Ta
Ta
Ts
—
—
—
Conditions
Over Vin range
0.1A ≤ Io ≤ Iomax
Free Air Convection (40-60 LFM)
Over Vin and Io ranges with heat tab
—
Per Mil-STD-883D, Method 2002.3
Per Mil-STD-883D, Method 2007.2,
20-2000 Hz, soldered in a PC board
—
PT6670 SERIES
Min
Typ
Max
—
300
—
-40
—
+85
-40
—
+65
-40
—
+125
—
500
—
—
7.5
—
—
14
—
Notes: (1) The PT6670 Series requires two 560µF electrolytic capacitors (input and output) for proper operation in all applications.
(2) This product does not include short circuit protection.
TYPICAL CHARACTERISTICS
Units
kHz
°C
°C
°C
G’s
G’s
grams
PT6671/2/3 (@ V_in=+3.3V) (See Note A)
Efficiency vs Output Current
90
85
80
75
PT6671
70
PT6672
PT6673
65
60
55
50
0
0.5
1
1.5
2
2.5
3
3.5
4
Iout (A)
Ripple vs Output Current
180
160
140
120
100
80
60
40
20
0
0
0.5
1
1.5
2
2.5
3
3.5
4
Iout (A)
Power Dissipation vs Output Current
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
0.5
1
1.5
2
2.5
3
3.5
4
Iout (A)
PT6673
PT6672
PT6671
PT6673
PT6672
PT6671
PT6674/5 Series (@ V_in=+5.0V) (See Note A)
Efficiency vs Output Current
100
90
80
PT6675
PT6674
70
60
50
0
0.5
1
1.5
2
2.5
3
Iout (A)
Ripple vs Output Current
250
200
150
PT6674
PT6675
100
50
0
0
0.5
1
1.5
2
2.5
3
Iout (A)
Power Dissipation vs Output Current
5
4
3
PT6674
PT6675
2
1
0
0
0.5
1
1.5
2
2.5
3
Iout (A)
Note A: All characteristic data in the above graphs has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.
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