LTC3701EGN Linear Technology, LTC3701EGN Datasheet - Page 20

• Manufacturer Part Number: LTC3701EGN
• Description: IC DC/DC CNTRLR STPDN DUAL16SSOP
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3701EGN

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 10 V
• Current - Output: 1A
• Frequency - Switching: 550kHz
• Voltage - Input: 2.5 ~ 10 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL APPLICATIO
LTC3701
RELATED PARTS
PART NUMBER
LTC1622
LTC1628/
LTC1628-PG
LTC1629/
LTC1629-PG
LTC1702A
LTC1708-PG
LTC1735
LTC1767
LTC1772
LTC1773
LTC1778
LTC1872
LTC1929
LTC3411
LTC3412
LTC3700
LTC3728/LTC3728L
PolyPhase and No R
20
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
SENSE
Dual High Efficiency, 2-Phase Synchronous
20A TO 200A PolyPhase
DESCRIPTION
Synchronizable Low Input Voltage Current Mode
Step-Down DC/DC Controller
Step Down Controllers
No R
Dual High Efficiency, 2-Phase Synchronous
Step-Down Switching Regulators
High Efficiency Synchronous Step-Down Controller
1.2A I
Constant Frequency Current Mode Step-Down
DC/DC Controller
Synchronous Step-Down Controller
No R
Constant Frequency Current Mode Step-Up Controller
Constant Frequency Current Mode 2-Phase
Synchronous Controller
1.25A (I
2.5A (I
Constant Frequency Step-Down Controller with LDO Regulator
Dual, 550kHz, 2-Phase Synchronous Step-Down
Switching Regulator
78.7k
169k
are trademarks of Linear Technology Corporation.
R6
R7
SENSE
SENSE
OUT
OUT
Dual Input Voltage Single Output, 2-Phase, 550kHz, Step-Down DC/DC Converter
OUT
, 1.25MHz, High Efficiency Step-Down DC/DC Converter 90% Efficiency, V
10k
R8
), 4MHz, Synchronous Step-Down DC/DC Converter
TM
Synchronous Step-Down Controller
), 4MHz, Synchronous Step-Down DC/DC Converter
2-Phase Dual Synchronous Controller
220pF
C5
U
C1: SANYO 6TPA47M
C2, C3: TAIYO YUDEN LMK325BJ106K-T
D1, D2: IR10BQ015
TM
1
2
3
4
5
6
7
8
High Efficiency Controllers
SENSE1
I
V
SGND
V
I
PLLLPF
SENSE2
TH
TH
FB1
FB2
www.linear.com
/RUN1
/RUN2
LTC3701
–
–
EXTCLK/MODE
SENSE1
SENSE2
PGATE1
PGATE2
PGOOD
PGND
V
IN
+
+
16
15
14
13
12
11
10
9
0.03
0.03
R1
R2
L1, L2: MURATA LQN6C-4R7
M1, M2: Si3443DV
R1, R2: DALE 0.25W
M1
M2
COMMENTS
V
Constant Frequency, Standby, 5V and 3.3V LDOs, V
28-Lead SSOP
Expandable Up to 12 Phases, No Heat Sinks, V
28-Lead SSOP
550kHz, No Sense Resistor, GN24, V
1.3V V
Burst Mode Operation, 16-Pin Narrow SSOP, Fault Protection,
3.5V V
I
2.5V V
2.65V V
Current Mode Operation Without Sense Resistor,
Fast Transient Response, 4V V
2.5V V
Up to 42A, No Heat Sink, 3.5V V
95% Efficiency, V
I
95% Efficiency, V
I
2.65 V
Constant Frequency, V
5mm 5mm QFN or 28-Lead SSOP
SD
SD
SD
IN
D1
D2
4.7 H
4.7 H
= 6 A, MS8E Package
= <1 A, MS Package
= <1 A, TSSOP-16E Package
2V to 10V, Burst Mode Operation, 8-Lead MSOP
L1
L2
OUT
IN
+
IN
IN
IN
IN
9.8V, 550kHz, 10-Lead SSOP
36V
9.8V, I
C1
47 F
9.8V, SOT-23 Package, 550kHz
3.5V, Current Mode, 3.5V V
8.5V, I
IN
IN
IN
: 3V to 25V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
OUT
OUT
IN
3701 TA04
Up to 4A, SOT-23 Package, 550kHz
C2
10 F
C3
10 F
Up to 4A, 10-Lead MSOP
to 36V, 5V and 3.3V LDOs,
LINEAR TECHNOLOGY CORPORATION 2002
V
2.5V TO 9.8V
V
V
2.5V
2A
V
2.5V TO 9.8V
IN1
IN1
OUT
IN2
IN
OUT
IN
V
OUT
OUT
IN2
LT/TP 0403 1K • PRINTED IN USA
IN
36V
= 1.2V, I
36V
to 7V
= 0.8V, I
= 0.8V, I
IN
Q
IN
= 1mA,
36V
Q
Q
to 36V,
= 60 A,
= 60 A,
IN
to 36V,
3701fa