PT6670 Series
5V/3.3V Input 20W Boost
Integrated Switching Regulator
Preliminary Specifications (continued)
PT6670 SERIES
Typ
Characteristics
(Ta = 25°C unless noted)
Symbols
Conditions
Min
Max
Units
Switching Frequency
ƒo
Over Vin range
—
300
—
—
kHz
0.1A ≤ Io ≤ Iomax
Absolute Maximum
Ta
Ta
-40
-40
+85
+65
°C
°C
Operating Temperature Range
Recommended Operating
Temperature Range
Free Air Convection (40-60 LFM)
Over Vin and Io ranges with heat tab
—
Storage Temperature
Mechanical Shock
Ts
—
—
—
-40
—
—
+125
—
°C
Per Mil-STD-883D, Method 2002.3
500
G’s
Mechanical Vibration
Per Mil-STD-883D, Method 2007.2,
20-2000 Hz, soldered in a PC board
—
—
7.5
14
—
—
G’s
Weight
—
—
grams
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.
T Y P I C A L
C H A R A C T E R I S T I C S
PT6671/2/3 (@ V =+3.3V) (See Note A)
PT6674/5 Series (@ V =+5.0V) (See Note A)
in
in
Efficiency vs Output Current
Efficiency vs Output Current
90
85
80
75
70
65
60
55
50
100
90
80
PT6671
PT6672
PT6673
PT6675
PT6674
70
60
50
0
0.5
1
1.5
2
2.5
3
3.5
4
0
0.5
1
1.5
2
2.5
3
Iout (A)
Iout (A)
Ripple vs Output Current
Ripple vs Output Current
180
160
140
120
100
80
250
200
150
100
50
PT6673
PT6672
PT6671
PT6674
PT6675
60
40
20
0
0
0
0.5
1
1.5
2
2.5
3
3.5
4
0
0.5
1
1.5
2
2.5
3
Iout (A)
Iout (A)
Power Dissipation vs Output Current
Power Dissipation vs Output Current
5
4.5
4
5
4
3
2
1
0
3.5
3
PT6673
PT6672
PT6671
PT6674
PT6675
2.5
2
1.5
1
0.5
0
0
0.5
1
1.5
2
2.5
3
3.5
4
0
0.5
1
1.5
2
2.5
3
Iout (A)
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.
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
TI [ TEXAS INSTRUMENTS ]
