LTC3736 LINER [Linear Technology], LTC3736 Datasheet - Page 28

• Manufacturer Part Number: LTC3736
• Description: Dual 2-Phase, No RSENSE Synchronous Controller with Output Tracking
• Manufacturer: LINER [Linear Technology]

RELATED PARTS
TYPICAL APPLICATIO
LTC3736
PART NUMBER
LTC1622
LTC1628/
LTC1628-PG
LTC1708-PG
LTC1735
LTC1772
LTC1773
LTC1778
LTC1872
LTC2923
LTC3411
LTC3412
LTC3700
LTC3701
LTC3708
LTC3728/LTC3728L
No R
28
SENSE
is a trademark of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
3.3V
10 F
V
C
IN
IN
2
DESCRIPTION
Synchronizable Low Input Voltage Current Mode
Step-Down DC/DC Controller
Dual High Efficiency, 2-Phase Synchronous
Step-Down Controllers
Dual High Efficiency, 2-Phase Synchronous
Step-Down Switching Regulators
High Efficiency Synchronous Step-Down Controller
Constant Frequency Current Mode Step-Down
DC/DC Controller
Synchronous Step-Down Controller
No R
Constant Frequency Current Mode Step-Up Controller
Power Supply Tracking Controller
1.25A (I
2.5A (I
Constant Frequency Step-Down Controller with LDO Regulator
2-Phase, Low Input Voltage Dual Step-Down DC/DC Controller
Fast 2-Phase, No R
Output Tracking
Dual, 550kHz, 2-Phase Synchronous Step-Down
Switching Regulator
SENSE
OUT
OUT
2-Phase, Single Output Synchronous DC/DC Converter (3.3V
R
), 4MHz, Synchronous Step-Down DC/DC Converter
4.7nF
TM
C
100pF
220pF
C
VIN
C
C
), 4MHz, Synchronous Step-Down DC/DC Converter
ITH1A
1 F
ITH1
SS
VIN
Synchronous Step-Down Controller
10
R
59k
FB1A
R
C
15k
22pF
ITH1
ITH2B
SENSE
U
R
Buck Controller with
118k
FB1B
www.linear.com
1M
22
23
24
1
2
3
4
5
9
7
8
6
SW1
IPRG1
V
I
IPRG2
PLLLPF
SGND
V
PGOOD
V
I
TRACK
TH1
TH2
FB1
IN
FB2
LTC3736EUF
PGND
SYNC/FCB
SENSE1
SENSE2
25
RUN/SS
PGND
PGND
PGND
SW2
BG1
TG1
TG2
BG2
+
+
21
20
19
18
17
16
15
14
13
12
11
10
C
L1, L2: VISHAY IHLP-2525CZ-01
MP1
MP2
OUT1
COMMENTS
Constant Frequency, Standby, 5V and 3.3V LDOs, V
28-Lead SSOP
1.3V V
Burst Mode Operation, 16-Pin Narrow SSOP, Fault Protection,
3.5V V
2.65V V
Fast Transient Response, 4V V
Controls Up to Three Supplies, 10-Lead MSOP
I
95% Efficiency, V
I
Duty Cycle Operation, 5mm 5mm QFN Package
5mm 5mm QFN or 28-Lead SSOP
V
2.5V V
Current Mode Operation Without Sense Resistor,
2.5V V
95% Efficiency, V
2.65 V
2.5V V
Constant On-Time Dual Controller, V
Constant Frequency, V
, C
SD
SD
IN
OUT2
= <1 A, MS Package
= <1 A, TSSOP-16E Package
2V to 10V, Burst Mode Operation, 8-Lead MSOP
: SANYO 4TPB150MC
IN
OUT
IN
IN
IN
IN
MN1
Si7540DP
MN2
Si7540DP
IN
IN
9.8V, 550kHz, 10-Lead SSOP
to 1.8V
36V
9.8V, I
9.8V, SOT-23 Package, 550kHz
9.8V, 550kHz, PGOOD, PLL, 16-Lead SSOP
3.5V, Current Mode, 3.5V V
8.5V, I
IN
IN
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
OUT
1.5 H
1.5 H
OUT
OUT
L1
L2
IN
Up to 4A, SOT-23 Package, 550kHz
Up to 4A, 10-Lead MSOP
to 36V, 5V and 3.3V LDOs,
at 8A)
+
LINEAR TECHNOLOGY CORPORATION 2004
+
C
150 F
C
150 F
IN
OUT2
OUT1
3736 TA02
OUT
OUT
LT/TP 0304 1K • PRINTED IN USA
IN
36V
Up to 36V, Very Low
= 0.8V, I
= 0.8V, I
V
1.8V
8A
OUT
IN
36V
Q
Q
= 60 A,
= 60 A,
IN
to 36V,
3736f