Datasheet
24
LTC3778
3778f
PART NUMBER DESCRIPTION COMMENTS
LTC1622 550kHz Step-Down Controller 8-Pin MSOP; Synchronizable; Soft-Start; Current Mode
LTC1625/LTC1775 No R
SENSE
TM
Current Mode Synchronous Step-Down Controller 97% Efficiency; No Sense Resistor; 16-Pin SSOP
LTC1628-PG/ Dual, 2-Phase Synchronous Step-Down Controller Minimum Input/Output Capacitors; 3.5V ≤ V
IN
≤ 36V;
LTC1628-SYNC Power Good Output; Synchronizable 150kHz to 300kHz
LTC1709-7 High Efficiency, 2-Phase Synchronous Step-Down Controller Up to 42A Output; 0.925V ≤ V
OUT
≤ 2V
with 5-Bit VID
LTC1709-8 High Efficiency, 2-Phase Synchronous Step-Down Controller Up to 42A Output; VRM 8.4; 1.3V ≤ V
OUT
≤ 3.5V
LTC1735 High Efficiency, Synchronous Step-Down Controller Burst Mode
TM
Operation; 16-Pin Narrow SSOP;
3.5V ≤ V
IN
≤ 36V
LTC1736 High Efficiency, Synchronous Step-Down Controller with 5-Bit VID Mobile VID; 0.925V ≤ V
OUT
≤ 2V; 3.5V ≤ V
IN
≤ 36V
LTC1772 ThinSOT
TM
Step-Down Controller Current Mode; 550kHz; Very Small Solution Size
LTC1773 Synchronous Step-Down Controller Up to 95% Efficiency, 550kHz, 2.65V ≤ V
IN
≤ 8.5V,
0.8V ≤ V
OUT
≤ V
IN
, Synchronizable to 750kHz
LTC1778 Wide Operating Range, No R
SENSE
Step-Down Controller GN16-Pin, 0.8V FB Reference
LTC1876 2-Phase, Dual Synchronous Step-Down Controller with 3.5V ≤ V
IN
≤ 36V, Power Good Output, 300kHz Operation
Step-Up Regulator
LTC3701 Dual, 2-Phase Step-Down Controller Current Mode; 300kHz to 750kHz; Small 16-Pin SSOP,
2.5V ≤ V
IN
≤ 9.8V
LTC3711 5-Bit Adjustable, No R
SENSE
Step-Down Controller 0.925V ≤ V
OUT
≤ 2V; Mobile VIC Code
LTC3713 Very Low V
IN
, High Current Step-Down Synchronous Controller 1.5V ≤ V
IN
, I
OUT
≤ 20A, Generates its own 5V Gate Drive,
Uses Standard N-Channel MOSFETs
LTC3714 Intel Compatible, Wide Operating Range, No R
SENSE
Step-Down G28 Package, V
OUT
= 0.6V to 1.75V 5-Bit Mobile VID,
Controller with Internal Op Amp Active Voltage Positioning I
MVP2
, V
IN
to 36V
LTC3716 High Efficiency, 2-Phase Synchronous Step-Down Controller V
OUT
= 0.6V to 1.75V, Active Voltage Positioning I
MVP2
,
with 5-Bit Mobile VID V
IN
to 36V
LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 0702 2K • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
RELATED PARTS
Burst Mode and ThinSOT are trademarks of Linear Technology Corporation.
U
TYPICAL APPLICATIO
3778 TA01
LTC3778
20
19
18
17
16
15
14
13
12
11
RUN/SS
V
ON
PGOOD
V
RNG
I
TH
FCB
SGND
I
ON
V
FB
EXTV
CC
1
2
3
4
5
6
7
8
9
10
BOOST
TG
SW
SENSE
+
SENSE
–
PGND
BG
DRV
CC
INTV
CC
V
IN
C
B
0.22µF
D
B
CMDSH-3
M2
M1
D1
C
F
0.1µF
C
VCC
4.7µF
C
SS
0.1µF
R
F
1Ω
C2
2200pF
C
C1
2.2nF
C
C2
100pF
R
ON
1.6M
R2
190k
R1
10k
R
C
20k
100k
+
+
L1
10µH
V
IN
14V TO 28V
V
OUT
12V
5A
C
IN
22µF
50V
C
OUT
220µF
16V
C
IN
: UNITED CHEMICON THCR70E1H226ZT
C
OUT
: SANYO 16SV220M
D1: DIODES, INC B340A
L1: SUMIDA CDRH127-100
M1, M2: FAIRCHILD FDS6680A
12V/5A at 300kHz