LTC3736EGN-2#PBF Linear Technology, LTC3736EGN-2#PBF Datasheet - Page 28

• Manufacturer Part Number: LTC3736EGN-2#PBF
• Description: IC CTRLR SW SYNC DUAL 2PH 24SSOP
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3736EGN-2#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 9.8 V
• Current - Output: 1A
• Frequency - Switching: 550kHz ~ 750kHz
• Voltage - Input: 2.75 ~ 9.8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LTC3736-2
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LTC1735
LTC1778
LTC2923
LTC3411
LTC3416
LTC3418
LTC3701
LTC3708
LTC3728/LTC3728L Dual, 550kHz, 2-Phase Synchronous Step-Down
LTC3736
LTC3736-1
LTC3737
LTC3772
LTC3776
LTC3808
LTC3809/LTC3809-1 No R
No R
28
SENSE
is a trademark of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
High Effi ciency Synchronous Step-Down Controller
No R
Power Supply Tracking Controller
1.25A (I
DC/DC Converter
4A (I
Converter with Output Tracking
8A, 4MHz Synchronous Step-Down Regulator
2-Phase, Low Input Voltage Dual Step-Down DC/DC
Controller
Fast 2-Phase, No R
Output Tracking
Switching Regulator
Dual, 2-Phase, No R
Dual, 2-Phase, No R
with Spread Spectrum
Dual, 2-Phase, No R
No R
Dual, 2-Phase, No R
DDR/QDR Memory Termination
No R
with Output Tracking
3.3V
22μF
V
C
IN
IN
OUT
SENSE
SENSE
SENSE
SENSE
●
FAX: [phone]
OUT
), 4MHz, Synchronous Step-Down DC/DC
™ Synchronous Step-Down Controller
, Low EMI, Synchronous Step-Down Controller
Step-Down DC/DC Controller
Synchronous Step-Down Controllers
), 4MHz, Synchronous Step-Down
1000pF
C
100pF
10nF
R
C
R
C
C
1μF
ITH1A
FB2A
VIN
FB1A
ITH1
SS
SENSE
, 59k
, 59k
1000pF
C
100pF
C
SENSE
SENSE
SENSE
SENSE
ITH2A
2-Phase, 750kHz, Dual Output Synchronous DC/DC Converter
ITH2
R
VIN
R
22k
ITH1
Buck Controller with
10Ω
Synchronous Controller
Synchronous Controller
Controller with Output Tracking
Synchronous Controller for
R
TRACKA
●
R
R
22k
ITH2
FB1B
www.linear.com
22pF
C
FF1
, 187k
, 59k
R
FB2B
22
23
24
1
2
3
4
5
9
7
8
6
, 118k
SW1
IPRG1
V
I
IPRG2
PLLLPF
SGND
V
PGOOD
V
I
TRACK
R
TH1
TH2
FB1
IN
FB2
TRACKB
LTC3736EUF-2
PGND
SYNC/FCB
, 118k
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
Si3447BDV
Si3447BDV
COMMENTS
Burst Mode Operation, 16-Pin Narrow SSOP , 3.5V ≤ V
Current Mode Operation Without Sense Resistor, Fast Transient
Response, 4V ≤ V
Controls Up to Three Supplies, 10-Lead MSOP
95% Effi ciency, V
95% Effi ciency, V
V
2.5V ≤ V
Constant On-Time Dual Controller, V
Operation, 5mm × 5mm QFN Package
Constant Frequency, V
28-Lead SSOP
2.75V ≤ V
V
Operation; Output Tracking
Nonsynchronous Constant Frequency with PLL, 4mm × 4mm QFN and
24-Lead SSOP Packages
2.75V ≤ V
Provides V
QFN and 24-Lead SSOP Packages
2.75V ≤ V
16-Lead SSOP Packages
2.75V to 9.8V, 3mm × 3mm DFN and 10-Lead MSOPE Packages
IN
IN
MP1
MP2
: 2.25V to 5.5V, 5mm × 7mm QFN Package
: 2.75V to 9.8V, 4mm × 4mm QFN Package Spread Spectrum
IN
IN
IN
IN
DDQ
≤ 9.8V, 550kHz, PGOOD, PLL, 16-Lead SSOP
MN1
Si3460DV
MN2
Si3460DV
≤ 9.8V, Output Tracking
≤ 9.8V, SOT-23 or 3mm × 2mm DFN Packages
≤ 9.8V; Spread Spectrum Operation; 3mm × 4mm DFN and
and V
IN
IN
IN
: 2.5V to 5.5V, I
: 2.25V to 5.5V, I
D2
≤ 36V
D1
1.5μH
1.5μH
TT
L1
L2
37362 TA02
IN
with One IC, 2.75V ≤ V
to 36V, 5V and 3.3V LDOs, 5mm × 5mm QFN or
L1, L2: VISHAY IHLP-2525CZ-
D1, D2: OPTIONAL
C
47μF
C
47μF
OUT2
2
OUT1
2
Q
V
2.5V
4A
V
1.8V
4A
© LINEAR TECHNOLOGY CORPORATION 2005
OUT1
OUT2
SD
IN
= 60μA, I
Up to 36V, Very Low Duty Cycle
= <1μA, TSSOP-20E Package
LT 0109 REV B • PRINTED IN USA
SD
IN
= <1μA, MS Package
≤ 9.8V, 4mm × 4mm
IN
≤ 36V
37362fb