LTC3401 Linear Technology, LTC3401 Datasheet - Page 16

• Manufacturer Part Number: LTC3401
• Description: 1A/ 3MHz Micropower Synchronous Boost Converter
• Manufacturer: Linear Technology

LTC3401
TYPICAL APPLICATIO
RELATED PARTS
PART NUMBER
LT1306
LT1308A/LT1308B
LT1317/LT1317B
LT1610
LT1613
LT1615
LT1619
LT1930A
LT1949
LTC3400
LTC3402
LTC3423
ThinSOT is a trademark of Linear Technology Corporation.
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
DESCRIPTION
Sync, Fixed Frequency, Step-Up DC/DC Converter
High Current, Micropower, Single Cell 600kHz DC/DC Converter
Micropower 600kHz PWM DC/DC Converter
1.7MHz, Single Cell Micropower DC/DC Converter
1.4MHz, Single Cell DC/DC Converter in SOT-23
Micropower Step-Up DC/DC Converter in SOT-23
High Efficiency Boost DC/DC Controller
2.2MHz DC/DC Converter in SOT-23
600kHz, 1A Switch PWM DC/DC Converter
Single Cell, High Current (600mA) Micropower, Synchronous
1.2MHz Step-Up DC/DC Converter
Single Cell, High Current (2A) Micropower, Synchronous
3MHz Step-Up DC/DC Converter
Single Cell, High Current (2A) Micropower, Synchronous
3MHz Step-Up DC/DC Converter for V
V
C1: TAIYO YUDEN JMK212BJ475MG
C2: TAIYO YUDEN JMK325BJ226MM
D1: ON SEMICONDUCTOR MBRM120T3
D2 TO D7: ZETEX FMND7000 DUAL DIODE
L1: SUMIDA CD43-4R7M
+
IN
4.7 F
1 = Burst Mode OPERATION
U
2
CELLS
=1.8V TO 3V
C1
0 = FIXED FREQ
1M
R3
www.linear.com
10
3
2
6
1
R
30k
t
V
SHDN
MODE/SYNC
PGOOD
R
IN
t
OUT
Triple Output Converter
L1, 4.7 H
LTC3401
D2
< 2.6V
V
GND
OUT
SW
FB
V
D3
0.1 F
0.1 F
C
4
7
8
9
5
0.1 F
D1
R5
82k
D4
C3
470pF
COMMENTS
Internal 2A Switches, V
5V at 1A from Single Li-Ion Cell
V
3V at 30mA from 1V, 5V at 200mA from 3.3V
V
I
1A Gate Drive, 1.1V to 20V Input, Separate V
V
1.1A, 0.5 /30V Internal Switch, V
V
Oscillator from 100kHz to 1.2MHz, ThinSOT
V
Oscillator from 100kHz to 3MHz, 10-Lead MSOP Package
V
Oscillator from 100kHz to 3MHz
Q
D6
D7
IN
IN
IN
IN
IN
OUT
= 20 A, 1 A Shutdown Current, V
0.1 F
D5
As Low As 1.5V, I
As Low As 1.1V, 3V at 30mA from Single Cell
= 2.6V to 16V, 5V at 450mA from 3.3V Input
= 0.85V to 5.5V, Up to 92% Efficiency Synchronizable
= 0.5V to 5.5V, Up to 97% Efficiency Synchronizable
909k
549k
C4
4.7pF
= 1.5V, Up to 97% Efficiency Synchronizable
R2
R1
4.7 F
–2.5V
1mA
4.7 F
C2
22 F
8V
2mA
V
3.3V
500mA
3401 TA09
OUT
Q
IN
= 100 A
As Low As 1.8V
LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 0502 1.5K REV A • PRINTED IN USA
IN
As Low As 1.8V
IN
As Low As 1V
TM
CC
Package
for Gate Drive
3401fa