ltc3704ems-trpbf Linear Technology Corporation, ltc3704ems-trpbf Datasheet - Page 28

• Manufacturer Part Number: ltc3704ems-trpbf
• Description: Wide Input Range, No Rsense Positive-to-negative Dc/dc Controller
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIO
RELATED PARTS
LTC3704
PART NUMBER
LT
LT1619
LTC1624
LTC1700
LTC1871
LTC1872
LT1930
LT1931
LT1964
LTC3401/LTC3402
ThinSOT is a trademark of Linear Technology Corporation.
28
®
1175
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
C
330pF
C2
OPTIONAL
68.1k
●
1%
1nF
R5
C9
DESCRIPTION
Negative Linear Low Dropout Regulator
Current Mode PWM Controller
Current Mode DC/DC Controller
No R
No R
SOT-23 Boost Controller
1.2MHz, SOT-23 Boost Converter
Inverting 1.2MHz, SOT-23 Converter
ThinSOT
1A/2A 3MHz Synchronous Boost Converters
FAX: [phone]
1.21k
1%
R1
R
9.1k
C
C
10nF
C1
SENSE
SENSE
TM
Linear Low Dropout Regulator
Synchronous Step-Up Controller
Boost, Flyback and SEPIC Controller
3.65k
1%
R
80.6k
1%
R2
T
U
C
C
C
C
C
●
IN
OUT1
OUT2
DC
VCC
High Efficiency Positive-to-Negative Converter
RUN
I
NFB
FREQ
MODE/SYNC
: TDK C5570X5R1C476M
www.linear.com
TH
: TDK C5750X7R1E226M
: TDK C2012X5R0J475K
154k
: TDK C5750X5R0J107M
: PANASONIC EEFUE0J151R
1%
R4
LTC3704
INTV
SENSE
GATE
GND
V
CC
IN
47μF
16V
C
4.7μF
C
VCC
IN
D1: FAIRCHILD MBR2035CT
L1, L2: COILTRONICS VP5-0053 (*COUPLED INDUCTORS, WITH 3
M1: INTERNATIONAL RECTIFIER IRF7822
L1*
WINDINGS IN PARALLEL ON PRIMARY AND SECONDARY)
COMMENTS
User-Selectable Current Limit from 200mA to 800mA,
0.4V Dropout at 500mA, 45μA Operating Current
300kHz Fixed Frequency, Boost, SEPIC, Flyback Topology
SO-8; 200kHz Operating Frequency; Buck, Boost, SEPIC Design;
V
Up to 95% Efficiency, Operation as Low as 0.9V Input
2.5V ≤ V
Programmable f
Delivers Up to 5A, 550kHz Fixed Frequency, Current Mode
Up to 34V Output, 2.6V ≤ V
Positive-to-Negative DC/DC Conversion, Miniature Design
200mA Output Current, Low Noise, 340mV Drop Out at 200mA,
5-Lead ThinSOT
Up to 97% Efficiency, Very Small Solution, 0.5V ≤ V
IN
M1
Up to 36V
22μF
X7R
C
25V
DC
IN
≤ 30V, Current Mode Control,
D1
L2*
OSC
from 50kHz to 1MHz
IN
© LINEAR TECHNOLOGY CORPORATION 2006
C
100μF
6.3V
≤ 16V, Miniature Design
OUT1
3704 TA02
+
LT 0307 REV B • PRINTED IN USA
C
150μF
6.3V
V
–5V
V
5V TO 15V
GND
5A
OUT2
OUT
IN
IN
≤ 5V
3704fb