LTC3770EUH#TR Linear Technology, LTC3770EUH#TR Datasheet - Page 24

• Manufacturer Part Number: LTC3770EUH#TR
• Manufacturer: Linear Technology

Specifications of LTC3770EUH#TR

• Lead Free Status / RoHS Status: Not Compliant

LTC3770
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LTC1622
LTC1625/LTC1775
LTC1628/LTC3728
LTC1735
LTC1736
LTC1772
LTC1773
LTC1778
LTC1876
LTC3708
LTC3713
LTC3731
LTC3778
Burst Mode is a trademark of Linear Technology Corporation.
24
220pF
R4
39k
R3
11k
C
PGOOD
F
RUN
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
R2
95.3k
R1
30.1k
R
51k
RUN
R
10k
100pF
C
CC1
1000pF
CC2
DESCRIPTION
550kHz Step-Down Controller
No R
Dual, 2-Phase Synchronous Step-Down Controller
High Effi ciency, Synchronous Step-Down Controller
High Effi ciency, Synchronous Step-Down Controller with 5-Bit VID
SOT-23 Step-Down Controller
Synchronous Step-Down Controller
Wide Range, No R
2-Phase, Dual Synchronous Step-Down Controller with
Step-Up Regulator
Dual, 2-Phase, No R
Output Tracking
Low V
3-Phase Synchronous Step-Down Controller
Low V
SENSE
R7
47k
R8
51k
MARGIN1
MARGIN0
●
IN
OUT
FAX: [phone]
R
75k
High Current Synchronous Step-Down Controller
ON
, No R
Current Mode Synchronous Step-Down Controller
R
100k
PG
R5
10k
R6
82k
1
2
3
4
5
6
7
8
SENSE
V
V
I
SGND
MARGIN1
MARGIN0
I
V
TH
ON
V
RNG
FB
REFIN
REFOUT
SENSE
SENSE
9
PGOOD V
Synchronous Step-Down Controller
C
0.1μF
MPGM TRACK/SS
SS
Synchronous Step-Down Controller
32
Typical Application 2.5V/10A Synchronized at 450kHz
Synchronous Step-Down Controller with
10
●
0.01μF
ON
31
www.linear.com
C
PL
RUN FCB
11
30
LTC3770EUH
FCB
R
10k
PLLFLTR PLLIN
PL
29
12
Z0 BOOST TG
C
1000pF
28
P
PLLIN
0.1μF
13
27
V
IN
14
26
V
INSNS
SW
15
25
SENSE+
SENSE–
INTV
CV
0.01μF
DRV
PGND
ZV
IN
BG
Z2
Z1
IN
CC
CC
16
24
23
22
21
20
19
18
17
COMMENTS
8-Pin MSOP; Synchronizable; Soft-Start; Current Mode
97% Effi ciency; No Sense Resistor; 16-Pin SSOP
Power Good Output; Minimum Input/Output Capacitors;
3.5V ≤ V
Burst Mode
3.5V ≤ V
Mobile VID; 0.925V ≤ V
Current Mode; 550kHz; Very Small Solution Size
Up to 95% Effi ciency, 550kHz, 2.65V ≤ V
0.8V ≤ V
GN16-Pin, 0.8V
3.5V ≤ V
Fast Transient Response Reduces C
0.6V ≤ V
1.5V ≤ V
600kHz; Up to 60A Output
0.6V ≤ V
RV
10Ω
1000pF
IN
IN
IN
OUT
IN
OUT
IN
OUT
≤ 36V
≤ 36V
≤ 36V, Power Good Output, 300kHz Operation
≤ 36V, 0.8V ≤ V
®
C
C
L1: BI TECH 1.8μH HM65-H1R8-TB
M1, M2: PHILIPS PH3230
≤ V
≤ 6V; 2-Phase Operation Reduces C
≤ (0.9)V
Operation; 16-Pin Narrow SSOP;
IN
OUT
: TDK C4532X5R1H685M
FB
: PANASONIC EEFUE0G181R
IN
CB
0.22μF
DB
CMDSH-3
CV
4.7μF
, Synchronizable to 750kHz
Reference
INTV
CC
IN
CC
, 4V ≤ V
OUT
© LINEAR TECHNOLOGY CORPORATION 2004
M1
PH3230
B340A
M2
PH3230
OUT
≤ 2V; 3.5V ≤ V
1.8μH
D1
L1
≤ (0.9)V
IN
≤ 36V, I
LT 0209 REV C • PRINTED IN USA
OUT
C
22μF
X5R
x2
; 4V ≤ V
OUT3
IN
IN
, I
OUT
+
IN
≤ 8.5V,
OUT
≤ 36V
Up to 20A
C
180μF
4V
x2
V
2.5V
10A
3770 TA02b
OUT
IN
OUT
Up to 20A
IN
≤ 36V,
C
10μF
50V
x3
V
5V TO 28V
IN
IN
3770fc