LTC3417AIFE#TRPBF Linear Technology, LTC3417AIFE#TRPBF Datasheet - Page 5
LTC3417AIFE#TRPBF
Manufacturer Part Number
LTC3417AIFE#TRPBF
Description
IC DC/DC CONV DUAL 20TSSOP
Manufacturer
Linear Technology
Type
Step-Down (Buck)r
Datasheet
1.LTC3417AEDHCPBF.pdf
(20 pages)
Specifications of LTC3417AIFE#TRPBF
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
2
Voltage - Output
0.8 ~ 5 V
Current - Output
1A, 1.5A
Frequency - Switching
1.5MHz, 0.6MHz ~ 4MHz
Voltage - Input
2.25 ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL PERFORMANCE CHARACTERISTICS
0.20
0.19
0.16
0.14
0.18
0.17
0.15
100
94
92
90
88
86
84
82
95
80
70
90
85
75
2
0
2
OUT2 Effi ciency vs V
(Pulse Skipping Mode)
Effi ciency vs Frequency OUT1
R
DS(ON)
N-CHANNEL SWITCH
2.5
2.5
1
P-CHANNEL SWITCH
I
LOAD
vs V
I
3
3
LOAD
FREQUENCY (MHz)
= 800mA
IN
2
3.5
3.5
= 250mA
OUT2
V
V
IN
IN
(V)
(V)
V
REFER TO FIGURE 4
4
4
3
OUT
IN
= 2.5V
T
V
V
I
4.5
4.5
OUT
A
IN
OUT
= 27°C
= 3.6V
T
4
= 300mA
= 1.8V
A
= 27°C
5
5
3417 G13
3417 G10
3417 G16
5.5
5.5
5
100mV/DIV
500mA/DIV
V
I
OUT1
OUT1
–10
90
85
80
75
70
65
60
–2
–4
–6
–8
4
2
0
6
2
Load Step OUT1
Effi ciency vs Frequency OUT2
0
Frequency vs V
V
V
I
REFER TO FIGURE 4
LOAD
FREQ = 143k TO GROUND
IN
OUT
= 3.6V
2.5
= 1.8V
= 0.25A to 1.4A
FREQ = V
1
3
FREQUENCY (MHz)
100μs/DIV
3.5
V
IN
IN
IN
2
(V)
4
T
V
V
I
4.5
OUT
A
IN
OUT
3
= 27°C
= 3.6V
= 100mA
= 2.5V
5
3417 G11
3417 G14
3417 G17
5.5
4
100mV/DIV
500mA/DIV
V
I
0.105
0.100
0.095
0.090
0.085
0.080
OUT2
OUT2
–10
–15
15
10
–5
5
0
–50
2
Load Step OUT2
V
V
I
REFER TO FIGURE 4
R
Frequency vs Temperature
LOAD
IN
OUT
DS(ON)
N-CHANNEL SWITCH
= 3.6V
–25
2.5
= 2.5V
= 0.25A to 0.8A
P-CHANNEL SWITCH
vs V
3
0
TEMPERATURE (˚C)
IN
LTC3417A
100μs/DIV
3.5
25
OUT1
V
FREQ = V
FREQ = 143k TO GROUND
IN
(V)
50
4
IN
4.5
75
T
A =
100
5
27°C
3417 G12
3417 G15
3417 G18
3417afb
5
5.5
125