LTC3736EGN-1#PBF Linear Technology, LTC3736EGN-1#PBF Datasheet - Page 28

• Manufacturer Part Number: LTC3736EGN-1#PBF
• Description: IC CTRLR SW SYNC DUAL 2PH 24SSOP
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3736EGN-1#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 9.8 V
• Current - Output: 1A
• Frequency - Switching: 450kHz ~ 580kHz
• 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: -

RELATED PARTS
TYPICAL APPLICATIO
LTC3736-1
PART NUMBER
LTC1628/
LTC1628-PG
LTC1735
LTC1772
LTC1773
LTC1778
LTC2923
LTC3251 Series
LTC3252
LTC3416
LTC3701
LTC3708
LTC3728/LTC3728L
LTC3736
LTC3737
LTC6902
No R
28
SENSE
is a trademark of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Dual High Efficiency, 2-Phase Synchronous
Step-Down Controllers
High Efficiency Synchronous Step-Down Controller
Constant Frequency Current Mode Step-Down
DC/DC Controller
Synchronous Step-Down Controller
No R
Power Supply Tracking Controller
500mA High Efficiency, Low Noise, Inductorless
Step-Down DC/DC Converters
Dual, Low Noise, Inductorless Step-Down DC/DC Converter
4A, 4MHz, Synchronous Step-Down DC/DC Converter
with Output Tracking
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
Dual, 2-Phase, No R
Tracking
Dual, 2-Phase, No R
Multiphase Oscillator with Spread Spectrum Frequency
Modulation
●
SENSE
FAX: [phone]
10µF
V
5V
C
IN
×2
IN
TM
Synchronous Step-Down Controller
2-Phase, Spread Spectrum Dual Output, Synchronous DC/DC Converter
SENSE
SENSE
SENSE
R
220pF
10nF
C
C
1µF
C
U
VIN
R
ITH1
VIN
SS
59k
FB2A
10Ω
220pF
C
100pF
C
ITH2B
Buck Controller with
R
ITH2
, Synchronous Controller with Output
15k
Controller with Output Tracking
ITH1
●
C
100pF
R
ITH1A
59k
FB1A
www.linear.com
2200pF
R
R
15k
ITH2
TRACKA
590Ω
R
187k
FB1B
22
23
24
R
118k
1
2
3
4
5
9
7
8
6
FB2B
SW1
IPRG1
V
I
IPRG2
FREQ
SGND
V
PGOOD
V
I
TRACK
TH1
TH2
FB1
IN
FB2
LTC3736EUF-1
R
TRACKB
1.18k
PGND
SENSE1
SENSE2
25
RUN/SS
SSDIS
PGND
PGND
PGND
SW2
BG1
BG2
TG1
TG2
+
+
21
20
19
18
17
16
15
14
13
12
11
10
MP1, MP2: FDC638P
MN1, MN2: FDC637N
L1, L2: VISHAY IHLP-2525CZ-01
C
OUT1
MP1
MP2
, C
OUT2
COMMENTS
Constant Frequency, Standby, 5V and 3.3V LDOs, V
28-Lead SSOP
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
TSSOP-20E Package
Duty Cycle Operation, 5mm × 5mm QFN Package
5mm × 5mm QFN or 28-Lead SSOP
V
V
2-, 3-, or 4-Phase Outputs; 10-Pin MSOP Package
2.5V ≤ V
Current Mode Operation Without Sense Resistor,
2-Phase, Spread Spectrum Operation, 10-Pin MSOP Package
Spread Spectrum Operation, 4mm × 3mm 12-Pin DFN Package
95% Efficiency, V
2.5V ≤ V
Constant On-Time Dual Controller, V
Constant Frequency, V
Resistor Programs Nominal Frequency and Spreading;
: SANYO 4TPB150MC
IN
IN
: 2.75V to 9.8V, I
: 2.75V to 9.8V, I
MN1
MN2
IN
IN
IN
IN
≤ 36V
≤ 9.8V, I
≤ 9.8V, 550kHz, PGOOD, PLL, 16-Lead SSOP
≤ 8.5V, I
1.5µH
1.5µH
L1
L2
IN
+
: 2.25V to 5.5V, I
OUT
OUT
OUT
+
OUT
C
150µF
37361 TA02
C
150µF
IN
OUT2
OUT1
Up to 4A, SOT-23 Package, 550kHz
Up to 5A, 4mm × 4mm QFN Package
Up to 5A, 4mm × 4mm QFN Package
Up to 4A, 10-Lead MSOP
to 36V, 5V and 3.3V LDOs,
© LINEAR TECHNOLOGY CORPORATION 2004
V
2.5V
2A
V
1.8V
2A
OUT1
OUT2
IN
≤ 36V
SD
LT/TP 0804 1K • PRINTED IN USA
IN
Up to 36V, Very Low
= <1µA,
IN
to 36V,
37361f