LT3970EDDB-3.3#PBF Linear Technology, LT3970EDDB-3.3#PBF Datasheet - Page 7

• Manufacturer Part Number: LT3970EDDB-3.3#PBF
• Description: IC, STEP-DOWN REGULATOR, DFN-10
• Manufacturer: Linear Technology

Specifications of LT3970EDDB-3.3#PBF

• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 3.3V
• Output Current: 350mA
• No. Of Pins: 10
• Operating Temperature Range: -40°C To +125°C
• Peak Reflow Compatible (260 C): Yes
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
1.025
0.975
0.950
1.050
1.000
–50
EN Threshold
–25
100mA/DIV
5mV/DIV
5V/DIV
0
V
V
TEMPERATURE (°C)
OUT
SW
I
L
25
Switching Waveforms,
Burst Mode Operation
FRONT PAGE APPLICATION
V
V
I
LOAD
IN
OUT
= 12V
50
= 5V
= 10mA
75
100 125 150
2μs/DIV
3970 G23
100mV/DIV
100mA/DIV
V
OUT
3970 G26
I
L
FRONT PAGE APPLICATION
V
V
Transient Load Response; Load
Current is Stepped from 10mA
(Burst Mode Operation) to 110mA
IN
OUT
= 12V
= 5V
100μs/DIV
LT3970/LT3970-3.3/LT3970-5
200mA/DIV
5mV/DIV
5V/DIV
V
V
OUT
SW
T
I
A
L
3970 G24
Switching Waveforms, Full
Frequency Continuous Operation
FRONT PAGE APPLICATION
V
V
I
= 25°C, unless otherwise noted.
LOAD
IN
OUT
= 12V
= 5V
= 350mA
100mV/DIV
100mA/DIV
V
OUT
I
L
1μs/DIV
Transient Load Response; Load
Current is Stepped from 100mA
to 200mA
FRONT PAGE APPLICATION
V
V
IN
OUT
= 12V
= 5V
100μs/DIV
3970 G27
3970 G25
3970fa
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