LT3470AEDDB#TRMPBF Linear Technology, LT3470AEDDB#TRMPBF Datasheet - Page 4

• Manufacturer Part Number: LT3470AEDDB#TRMPBF
• Description: IC BUCK ADJ .25A 8DFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT3470AEDDB#TRMPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 16 V
• Current - Output: 250mA
• Voltage - Input: 4 ~ 40 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -

LT3470A
TYPICAL PERFORMANCE CHARACTERISTICS
4
90
80
70
60
50
40
30
0.1
Efficiency, V
L = TOKO D52LC 47μH
T
A
= 25°C
LOAD CURRENT (mA)
1
V
IN
OUT
600
550
500
450
400
350
300
250
200
= 12V
30
25
20
15
10
0
5
–50
–50
= 3.3V
BIAS Quiescent Current
(Bias > 3V) vs Temperature
Top and Bottom Switch Current
Limits (V
V
10
IN
–25
–25
= 24V
0
0
V
FB
IN
TEMPERATURE (°C)
V
TEMPERATURE (°C)
IN
100
= 36V
25
= 0V) vs Temperature
25
= 7V
3470a G01
50
50
75
75
100
100
90
80
70
60
50
40
30
0.1
125
125
Efficiency, V
3470a G06
3470a G04
L = TOKO D52LC 47μH
T
A
= 25°C
150
150
LOAD CURRENT (mA)
1
OUT
= 5V
V
IN
10
= 24V
30
50
40
20
10
9
7
6
5
4
2
8
3
1
0
0
–50
–50 –25
V
IN
V
vs Temperature
SHDN Bias Current
vs Temperature
IN
= 12V
V
–25
IN
Quiescent Current
100
= 36V
3470a G02
T
A
BIAS < 3V
0
0
BIAS > 3V
V
TEMPERATURE (°C)
= 25°C unless otherwise noted.
TEMPERATURE (°C)
V
SHDN
SHDN
25
25
= 36V
= 2.5V
50
50
1.245
1.260
1.255
1.250
1.240
75
75
–50
V
FB
100
100
–25
vs Temperature
125
125
3470a G07
3470a G05
0
TEMPERATURE (°C)
150
150
25
50
75
100
125
3470a G03
3470afb
150