LTC3417AIFE#TRPBF Linear Technology, LTC3417AIFE#TRPBF Datasheet - Page 2

• 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: -

ABSOLUTE MAXIMUM RATINGS
LTC3417A
V
SYNC/MODE, SW1, SW2, RUN1,
RUN2, V
I
V
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
LTC3417AEDHC#PBF
LTC3417AEFE#PBF
LTC3417AIFE#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
SYMBOL
V
I
V
ΔV
V
g
2
FB1
TH1
m(EA)
IN1
FB1
LOADREG
IN1
IN1
LINEREG
, I
, V
, V
, I
, V
FB2
– V
IN2
FB2
TH2
IN2
EXPOSED PAD (PIN 17) IS PGND2/GNDD, MUST BE SOLDERED TO PCB
IN2
FB1
Voltages............... – 0.3V to (V
Voltages ...................................... – 0.3V to 6V
, V
, V
PARAMETER
Operating Voltage Range
Feedback Pin Input Current
Feedback Voltage
Reference Voltage Line Regulation. %/V is the
Percentage Change in V
Output Voltage Load Regulation
Error Amplifi er Transconductance
IN2
FB2
– V
, PHASE, FREQ,
RUN1
RUN2
16-LEAD (3mm × 5mm) PLASTIC DFN
I TH1
V
V
V
V
I
TH2
FB1
FB2
IN1
IN2
IN1
T
JMAX
TAPE AND REEL
LTC3417AEDHC#TRPBF
LTC3417AEFE#TRPBF
LTC3417AIFE#TRPBF
1
2
3
4
5
6
7
8
.......................................... 0.3V
= 125°C, θ
DHC PACKAGE
TOP VIEW
17
OUT
JA
= 43°C/W
16
15
14
13
12
11
10
with a Change in V
9
PGND1
SW1
PHASE
GNDA
FREQ
PGOOD
SW2
SYNC/MODE
IN1
http://www.linear.com/leadfree/
PART MARKING
3417A
LTC3417AEFE
LTC3417AIFE
/V
http://www.linear.com/tapeandreel/
A
IN2
= 25°C. V
IN
+ 0.3V)
CONDITIONS
The
V
(Note 3)
(Note 3)
V
I
I
I
TH1
TH1
TH1
IN1
IN
= 2.25V to 5V (Note 3)
, I
, I
, I
(Note 1)
= V
l
IN
TH2
TH2
TH2(PINLOAD)
denotes the specifi cations which apply over the full operating
= 3.6V unless otherwise specifi ed. (Note 2)
IN2
= 0.36V (Note 3)
= 0.84V (Note 3)
PGOOD Voltage ........................................... – 0.3V to 6V
Operating Ambient Temperature Range
(Note 2) ..................................................– 40°C to 85°C
Junction Temperature (Notes 7, 8) ...................... 125°C
Storage Temperature Range ...................– 65°C to 125°C
PACKAGE DESCRIPTION
16-Lead (3mm × 3mm) Plastic DFN
20-Lead Plastic TSSOP
20-Lead Plastic TSSOP
= ±5μA (Note 3)
EXPOSED PAD (PIN 21) IS PGND2/GNDD, MUST BE SOLDERED TO PCB
PGND2
GNDD
RUN1
RUN2
V
V
V
V
I
I
TH1
TH2
FB1
FB2
IN1
IN2
T
JMAX
20-LEAD PLASTIC TSSOP
10
1
2
3
4
5
6
7
8
9
= 125°C, θ
FE PACKAGE
TOP VIEW
21
●
JA
= 38°C/W
0.784
2.25
MIN
20
19
18
17
16
15
14
13
12
11
GNDD
PGND1
SW1
PHASE
GNDA
FREQ
PGOOD
SW2
SYNC/MODE
PGND2
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–0.02
1400
0.04
0.02
TYP
0.8
0.816
MAX
± 0.1
–0.2
5.5
0.2
0.2
UNITS
3417afb
%/V
μA
μS
%
%
V
V