LTC3423EMS#TR Linear Technology, LTC3423EMS#TR Datasheet - Page 12

• Manufacturer Part Number: LTC3423EMS#TR
• Description: IC SYNC BOOST CONV MCRPWR 10MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LTC3423EMS#TR

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.5 ~ 5.5 V
• Current - Output: 1A
• Frequency - Switching: 3MHz
• Voltage - Input: 0.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Power - Output: 750mW
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LTC3423EMSTR

LTC3423/LTC3424
RELATED PARTS
PART NUMBER
LT1306
LT1308A/LT1308B
LT1317/LT1317B
LT1610
LT1613
LT1615
LT1949
LTC3400/LTC3400B
LTC3401
LTC3402
ThinSOT is a trademark of Linear Technology Corporation.
12
TYPICAL APPLICATIO
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear.com
2.2 F
V
DD
C1
IN
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 ThinSOT
Micropower Step-Up DC/DC Converter in ThinSOT
600kHz, 1A Switch PWM DC/DC Converter
ThinSOT, 600mA, 1.2MHz Boost Converter
Single Cell, High Current (1A) Micropower, Synchronous
3MHz Step-Up DC/DC Converter
Single Cell, High Current (2A) Micropower, Synchronous
3MHz Step-Up DC/DC Converter
V
+
–
DD
V
IN
10 F
= 2.7V TO 5.5V
1 = Burst Mode OPERATION
= 0.9V TO 1.5V
1
CELL
C2
0 = FIXED FREQ
U
10
6
3
2
1
R
30.1k
t
V
SHDN
V
MODE/SYNC
R
DD
IN
t
f
OSC
LTC3423
D2
2.2 H
L1
= 1MHz
C1: TAIYO YUDEN JMK212BJ225MG
C2: TAIYO YUDEN JMK212BJ106MM
C3: TAIYO YUDEN JMK325BJ226MM
D1: ON SEMICONDUCTOR MBRM120T3
D2 TO D7: ZETEX FMND7000 DUAL DIODE
L1: SUMIDA CD43-2R2M
V
GND
0.1 F
D3
OUT
SW
Triple Output Converter
FB
V
C
4
7
8
9
5
D1
0.1 F
TM
RC
82k
C4
470pF
D4
0.1 F
D5
C5
4.7pF
R2
249k
R1
110k
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
1.1A, 0.5 /30V Internal Switch, V
92% Efficiency, 0.85V V
V
Oscillator from 100kHz to 3MHz
V
Oscillator from 100kHz to 3MHz
Q
IN
IN
IN
IN
= 20 A, 1 A Shutdown Current, V
As Low As 1.5V, I
As Low As 1.1V, 3V at 30mA from Single Cell
= 0.5V to 5.5V, Up to 97% Efficiency Synchronizable
= 0.5V to 5.5V, Up to 97% Efficiency Synchronizable
4.7 F
3423/24 TA05
V
1.8V
700mA
C3
44 F
(2 22 F)
OUT
0.1 F
3.6V
2mA
Q
LINEAR TECHNOLOGY CORPORATION 2001
IN
= 100 A
As Low As 1.8V
D6
D7
IN
, 2.6V V
LT/TP 0302 2K • PRINTED IN USA
IN
4.7 F
As Low As 1.8V
IN
OUT
–1.1V
1mA
As Low As 1V
5V
34234f