LTC3718EG Linear Technology, LTC3718EG Datasheet - Page 20

• Manufacturer Part Number: LTC3718EG
• Description: IC DC/DC CONTRLR DDR/QDR 24-SSOP
• Manufacturer: Linear Technology

Specifications of LTC3718EG

• Applications: Controller, DDR, QDR
• Voltage - Input: 1.5 ~ 36 V
• Number Of Outputs: 1
• Voltage - Output: 0.75 ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

RELATED PARTS
LTC3718
PART NUMBER
LT
LTC1735
LTC1772
LTC1773
LTC1778
LTC1876
LTC3413
LTC3711
LTC3713
LTC3717
LTC3778
LTC3831
No R
20
TYPICAL APPLICATIO
®
1613
SENSE
and ThinSOT are trademarks of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
PGOOD
DESCRIPTION
ThinSOT
High Efficiency Synchronous Switching Regulator
ThinSOT Current Mode Step-Down Controller
Synchronous Current Mode Step-Down Controller
No R
2-Phase, Dual Synchronous Step-Down Controller with Step-Up Regulator
3A Monolithic DDR Memory Termination Regulator
5-Bit, Adjustable, No R
Low Input Voltage, High Power, No R
High Power DDR Memory Termination Regulator
No R
High Power DDR Memory Termination Regulator
SENSE
SENSE
TM
TM
Step-Up DC/DC Converter
Synchronous Step-Down Controller
Dual Output 2.5V, 10A Buck Converter and 5V to 12V/130mA Boost Converter
Synchronous Step-Down Controller
R
100k
PG
3300pF
X7R
249k
C1
R
FB
12.3k
SENSE
R
U
F1
R
237k
R
499k
R
C
REF
ON
10k
100pF
0.1 F X7R
Synchronous Step-Down Controller
C2
www.linear.com
C
R
10k
SS
F3
10
11
12
1
2
3
4
5
6
7
8
9
SENSE
RUN/SS
V
PGOOD
V
I
SGND1
I
V
V
SHDN
SGND2
V
TH
ON
ON
RNG
FB1
REF
FB2
200pF X7R
LTC3718
Synchronous Controller
107k
R
C
F2
F4
SENSE
SENSE
PGND1
INTV
PGND2
BOOST
SW1
SW2
V
V
IN1
IN2
TG
BG
CC
+
–
24
23
22
21
20
19
18
17
16
15
14
13
C
4.7 F
VCC2
D
CMDSH-3
C
X7R
B
B
0.33 F
C
0.1 F
C
4.7 F
X5R
F
VCC1
C
22 F X5R
IN2
M1
Si7440DP
M2
Si7440DP
COMMENTS
1.4MHz, 1.1V < V
4V V
Small Solution, 2.5V V
2.65V V
550kHz Operation, > 90% Efficiency
No Sense Resistor Required, 4V V
0.8V V
2.6V V
0.925V V
No Sense Resistor Required, V
4V V
I
Optional Sense Resistor, 4V V
0.6V V
V
I
OUT
OUT
3A Output Current, 2.25V V
OUT
1.8 H
L1**
from 1A to 20A
from 1A to 20A
Tracks 1/2 V
IN
IN
*SANYO POSCAP 4TPB470M
**TOKO D104C
***PANASONIC ELJPC4R7MF
****KEMET T495X336K025AS
OUT
IN
OUT
D1
B340A
D2
B340A
IN
36V, 0.8V V
OUT
36V, V
36V, Dual Output: 0.8V V
8.5V, 0.8V V
V
V
IN
IN
IN
2V, 4V V
R
1
OUT
IN
F
LINEAR TECHNOLOGY CORPORATION 2002
< 10V
or V
L2***
10 H
+
D3
MBR0520
LT/TP 1103 1K REV A • PRINTED IN USA
Tracks V
IN
REF
OUT
C
470 F
C
33 F
25V
OUT
2
IN1
2
, 3V V
IN
****
*
OUT
9.8V, 0.8V V
IN(MIN)
IN
V
6V TO 24V
V
2.5V
V
5V
V
12V
130mA
IN
6V, SSOP-16
IN
OUT1
10A
IN2
OUT2
IN
36V
or V
3718 TA03
V
5.5V
IN
IN
36V,
IN
REF
= 1.5V
,
OUT
8V,
,
36V,
OUT
(0.9)V
V
3718fa
IN
IN