LTC3417AIFE#TRPBF Linear Technology, LTC3417AIFE#TRPBF Datasheet - Page 4

• Manufacturer Part Number: LTC3417AIFE#TRPBF
• Description: IC DC/DC CONV DUAL 20TSSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

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: -

LTC3417A
TYPICAL PERFORMANCE CHARACTERISTICS
4
250mA/DIV
250mA/DIV
20mV/DIV
20mV/DIV
100
V
95
90
85
80
75
70
65
60
V
0.001
OUT
OUT
I
I
OUT1 Effi ciency vs Load Current
L
L
V
V
IN
OUT
OUT1 Burst Mode Operation
OUT2 Burst Mode Operation
V
V
I
REFER TO FIGURE 4
V
V
I
REFER TO FIGURE 4
LOAD
LOAD
= 2.5V
IN
OUT
IN
OUT
= 1.8V
= 3.6V
= 3.6V
= 2.5V
= 1.8V
= 60mA
0.01
= 100mA
LOAD CURRENT (A)
0.1
2μs/DIV
2μs/DIV
REFER TO FIGURE 4
Burst Mode
OPERATION
PULSE SKIP
FORCED
CONTINUOUS
1
3417 G07
3417 G04
3417 G01
10
250mA/DIV
250mA/DIV
20mV/DIV
20mV/DIV
V
100
V
OUT
95
90
85
80
75
70
65
60
OUT
0.001
I
I
L
L
OUT2 Effi ciency vs Load Current
V
V
OUT1 Pulse Skipping
Mode Operation
V
V
I
REFER TO FIGURE 4
OUT2 Pulse Skipping
Mode Operation
LOAD
IN
OUT
V
V
I
REFER TO FIGURE 4
IN
OUT
LOAD
IN
OUT
= 3.6V
= 3.6V
= 3.6V
= 2.5V
= 1.8V
= 100mA
= 2.5V
= 60mA
0.01
LOAD CURRENT (A)
2μs/DIV
2μs/DIV
0.1
REFER TO FIGURE 4
Burst Mode
OPERATION
PULSE SKIP
FORCED
CONTINUOUS
1
3417 G08
3417 G02
3417 G05
10
250mA/DIV
250mA/DIV
20mV/DIV
20mV/DIV
V
V
100
OUT
95
70
OUT
90
85
80
75
I
L
I
L
2
OUT1 Effi ciency vs V
(Burst Mode Operation)
V
V
I
REFER TO FIGURE 4
V
OUT1 Forced Continuous
Mode Operation
OUT2 Forced Continuous
Mode Operation
LOAD
IN
OUT
OUT
V
V
I
REFER TO FIGURE 4
LOAD
IN
OUT
= 3.6V
2.5
= 3.6V
= 1.8V
= 1.8V
= 100mA
= 2.5V
= 60mA
I
LOAD
3
= 1.4A
3.5
V
2μs/DIV
IN
2μs/DIV
(V)
I
LOAD
4
REFER TO FIGURE 4
IN
= 460mA
4.5
5
3417 G09
3417afb
3417 G03
3417 G06
5.5