LTC3417 Linear Technology, LTC3417 Datasheet - Page 2

• Manufacturer Part Number: LTC3417
• Description: Dual Synchronous 1.4A/800mA 4MHz Step-Down DC/DC Regulator
• Manufacturer: Linear Technology

ABSOLUTE AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
LTC3417
V
MODE, SW1, SW2, RUN1,
RUN2, V
I
V
PGOOD Voltage .......................................... – 0.3V to 6V
Consult LTC Marketing for parts specified with wider operating temperature ranges.
The
V
SYMBOL
V
I
V
∆V
V
g
ELECTRICAL CHARACTERISTICS
2
FB1
TH1
Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
m(EA)
IN1
FB1
LOADREG
IN
IN1
IN1
LINEREG
, I
, V
= 3.6V unless otherwise specified. (Note 2)
, V
●
, I
, V
FB2
16-LEAD (3mm × 5mm) PLASTIC DFN
RUN1
RUN2
EXPOSED PAD (PIN 17) IS PGND2/GNDD
– V
IN2
I TH1
V
V
FB2
V
V
I
denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
TH2
TH2
FB1
FB2
IN1
IN2
IN2
IN2
T
MUST BE SOLDERED TO PCB
FB1
JMAX
Voltages ............. – 0.3V to (V
1
2
3
4
5
6
7
8
Voltages ..................................... – 0.3V to 6V
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 Amplifier Transconductance
, V
, V
DHC PACKAGE
= 125°C, θ
TOP VIEW
IN2
FB2
17
– V
, PHASE, FREQ,
W
JA
http://www.linear.com/leadfree/
= 43°C/ W
IN1
16
15
14
13
12
11
10
9
......................................... 0.3V
PGND1
SW1
PHASE
GNDA
FREQ
PGOOD
SW2
MODE
W W
OUT
U
with a Change in V
DHC PART MARKING
LTC3417EDHC
ORDER PART
IN1
W
NUMBER
/V
U
3417
IN2
IN
+ 0.3V)
CONDITIONS
V
(Note 3)
(Note 3)
V
I
I
I
TH1
TH1
TH1
IN1
IN
U
= 2.25V to 5V (Note 3)
(Note 1)
, I
, I
, I
= V
TH2
TH2
TH2(PINLOAD)
IN2
= 0.36V (Note 3)
= 0.84V (Note 3)
Operating Ambient Temperature Range
(Note 2) .................................................. – 40°C to 85°C
Junction Temperature (Notes 7, 8) ...................... 125°C
Storage Temperature Range
PGND2
GNDD
DFN Package ................................... – 65°C to 125°C
TSSOP Package ............................... – 65°C to 150°C
RUN1
RUN2
EXPOSED PAD (PIN 21) IS PGND2/GNDD
= ±5µA (Note 3)
V
V
V
V
I
I
TH1
TH2
FB1
FB2
IN1
IN2
T
MUST BE SOLDERED TO PCB
20-LEAD PLASTIC TSSOP
JMAX
10
1
2
3
4
5
6
7
8
9
= 125°C, θ
FE PACKAGE
TOP VIEW
21
JA
= 38°C/ W
20
19
18
17
16
15
14
13
12
11
●
●
GNDD
PGND1
SW1
PHASE
GNDA
FREQ
PGOOD
SW2
MODE
PGND2
0.784
MIN
2.25
www.DataSheet4U.com
–0.02
1400
0.04
0.02
TYP
0.8
ORDER PART
LTC3417EFE
NUMBER
A
0.816
MAX
±0.1
–0.2
= 25°C.
5.5
0.2
0.2
UNITS
3417fb
%/V
µA
µS
%
%
V
V