LT3494AEDDB#PBF Linear Technology, LT3494AEDDB#PBF Datasheet - Page 12

• Manufacturer Part Number: LT3494AEDDB#PBF
• Description: IC,SMPS CONTROLLER,VOLTAGE-MODE,BIPOLAR,LLCC,8PIN,PL
• Manufacturer: Linear Technology

Specifications of LT3494AEDDB#PBF

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 8
• Mounting: Surface Mount
• Package Type: DFN EP
• Case Length: 3mm
• Screening Level: Industrial
• Lead Free Status / RoHS Status: Compliant

RELATED PARTS
LT3494/LT3494A
TYPICAL APPLICATION
Figure 6. One Li-Ion Cell Input Boost Converter with the LT3494A
PART NUMBER
LT1613
LT1615/LT1615-1 300mA/80mA (I
LT1930/LT1930A 1A (I
LT1945 (Dual)
LT1946/LT1946A 1.5A (I
LT3467/LT3467A 1.1A (I
LT3463/LT3463A Dual Output, Boost/Inverter, 250mA (ISW), Constant Off-Time, High
LT3471
12
3V TO 4.2V
V
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
IN
C1, C2: X5R OR X7R WITH SUFFICIENT VOLTAGE RATING
C3: TAIYO YUDEN TMK316BJ106ML
D1: CENTRAL SEMICONDUCTOR CMDSH-3
L1: MURATA LQH32CN100K53
15
10
Output Voltage Ripple vs Load Current
5
0
0.1
100MHz MEASUREMENT BW
DESCRIPTION
550mA (I
Converters
Dual Output, Boost/Inverter, 350mA (I
Effi ciency Step-Up DC/DC Converter
Converters
Converters with Soft-Start
Effi ciency Step-Up DC/DC Converters with Integrated Schottkys
Dual Output, Boost/Inverter, 1.3A (I
Boost-Inverting DC/DC Converter
C2
4.7μF
SW
SW
SW
), 1.2MHz/2.2MHz, High Effi ciency Step-Up DC/DC
●
LOAD CURRENT (mA)
SW
), 1.2MHz/2.7MHz, High Effi ciency Step-Up DC/DC
), 1.3MHz/2.1MHz, High Effi ciency Step-Up DC/DC
FAX: [phone]
10μH
1
L1
), 1.4MHz, High Effi ciency Step-Up DC/DC Converter
3
5
4
SW
V
SHDN
CTRL
SW
CC
LT3494A
), High Effi ciency Step-Up DC/DC Converters
1
D1
10
V
CAP
GND
OUT
FB
8
7
6
2
●
3494 F06c
www.linear.com
R1
3494 F06
SW
C1
0.47μF
100
SW
), High Effi ciency
), Constant Off-Time, High
C3
10μF
V
OUT
V
25
24
23
22
21
20
19
18
17
16
15
OUT
COMMENTS
V
ThinSOT Package
V
ThinSOT Package
V
ThinSOT Package
V
10-Lead MS Package
V
8-Lead MS Package
V
ThinSOT Package
V
DFN Package
V
DFN Package
IN
IN
IN
IN
IN
IN
IN
IN
Effi ciency and Power Loss vs Load Current
: 0.9V to 10V, V
: 1V to 15V, V
: 2.6V to 16V, V
: 1.2V to 15V, V
: 2.45V to 16V, V
: 2.4V to 16V, V
: 2.3V to 15V, V
: 2.4V to 16V, V
80
75
50
45
40
R1 VALUE REQUIRED
70
65
60
55
0.1
LOAD FROM CAPACITOR
(MΩ)
3.57
3.40
3.24
3.09
2.94
2.80
2.67
2.49
2.37
2.21
2.05
OUT(MAX)
LOAD CURRENT (mA)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
1
LOAD FROM V
= 34V, I
© LINEAR TECHNOLOGY CORPORATION 2006
= 34V, I
= 34V, I
= ±34V, I
= 40V, I
= ±40V, I
= ±40V, I
= 34V, I
MAXIMUM OUTPUT CURRENT AT
10
Q
= 20μA, I
Q
Q
Q
V
V
OUT
Q
Q
Q
Q
IN
OUT
LT 0507 REV B • PRINTED IN USA
= 3mA, I
= 4.2A/5.5mA, I
= 1.2mA, I
= 40μA, I
= 3.2mA, I
= 40μA, I
= 2.5mA, I
= 3.6V
3V INPUT (mA)
= 16V
3494 F06b
13.0
14.0
15.0
16.5
17.5
19.0
20.0
21.5
23.0
25.0
27.0
SD
100
SD
< 1μA,
SD
SD
SD
300
250
200
150
100
50
0
< 1μA,
SD
SD
< 1μA,
< 1μA,
< 1μA,
< 1μA,
< 1μA,
SD
< 1μA,
3494fb