LT3970EDDB-5#TRPBF Linear Technology, LT3970EDDB-5#TRPBF Datasheet - Page 3

• Manufacturer Part Number: LT3970EDDB-5#TRPBF
• Description: IC BUCK 5V 0.35A 10DFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT3970EDDB-5#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 350mA
• Frequency - Switching: 200kHz ~ 2.25MHz
• Voltage - Input: 4.2 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
PARAMETER
Minimum Input Voltage
Quiescent Current from V
LT3970 Feedback Voltage
LT3970-3.3 Output Voltage
LT3970-5 Output Voltage
LT3970 FB Pin Bias Current (Note 3)
FB/Output Voltage Line Regulation
Switching Frequency
Switch Current Limit
Catch Schottky Current Limit
Switch V
Switch Leakage Current
Catch Schottky Forward Voltage
Catch Schottky Reverse Leakage
Boost Schottky Forward Voltage
Boost Schottky Reverse Leakage
Minimum Boost Voltage (Note 4)
BOOST Pin Current
EN Pin Current
LT3970 EN Voltage Threshold
LT3970-X EN Voltage Threshold
EN Voltage Hysteresis
LT3970 PG Threshold Offset from Feedback Voltage
LT3970 PG Hysteresis
LT3970-X PG Threshold Offset from Output Voltage
LT3970-X PG Hysteresis as % of Output Voltage
PG Leakage
PG Sink Current
Minimum Switch On-Time
Minimum Switch Off-Time
CESAT
IN
CONDITIONS
V
V
V
V
–40°C to 125°C
–40°C to 150°C
–40°C to 125°C
–40°C to 150°C
V
4.2V < V
R
R
R
V
V
I
I
V
I
V
V
I
V
EN Rising, V
EN Rising, V
V
V
V
V
V
SW
SCH
SCH
SW
EN
EN
EN
EN
FB
T
T
T
IN
IN
SW
REVERSE
IN
EN
FB
FB
PG
PG
IN
= 158k, V
= 768k, V
= 41.2k, V
= 5V, V
= 5V
= 5V
= 10V
= 1.21V
= 200mA
= 200mA, V
Rising
Rising
Low
High
High, –40°C to 125°C
High, –40°C to 150°C
= 12V
= 3V
= 0.4V
A
= 100mA, V
= 12V
= 50mA, V
= 25°C. V
IN
= 12V
FB
< 40V
The
IN
IN
IN
IN
IN
= 0V
= 6V
= 6V
≥ 4.2V
≥ 4.2V
IN
= 6V
BOOST
IN
l
IN
= NC, V
= V
denotes the specifi cations which apply over the full operating
= 12V, V
= 15V
BD
LT3970/LT3970-3.3/LT3970-5
= NC
BOOST
BD
= 0V
= 3.3V unless otherwise noted. (Note 2)
l
l
l
l
l
l
l
l
l
l
l
l
l
l
1.195
1.185
3.234
3.217
4.875
3.26
4.94
1.76
0.94
0.93
MIN
640
160
535
350
4.9
6.5
80
30
0.0002
1.21
1.21
2.25
0.05
0.05
0.02
0.01
TYP
800
200
700
400
175
650
875
120
100
0.7
1.7
3.3
3.3
3.3
0.1
1.4
1.0
30
12
10
80
90
4
5
5
5
7
1
1
1
1.225
1.235
3.366
3.366
MAX
3.34
5.06
0.01
2.64
1.06
1.07
13.5
960
240
865
500
160
160
4.2
1.2
2.7
3.5
5.1
5.1
1.8
20
10
30
4
2
2
2
1
UNITS
3970fa
3
MHz
%/V
kHz
kHz
mA
mA
mV
mV
mV
mA
mV
mV
mV
μA
μA
μA
μA
nA
μA
μA
μA
nA
μA
μA
ns
ns
%
%
V
V
V
V
V
V
V
V
V
V
V
V