LT1618EMS Linear Technology, LT1618EMS Datasheet - Page 13

• Manufacturer Part Number: LT1618EMS
• Description: IC DC/DC CONV STEP-UP 10-MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LT1618EMS

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.26 ~ 36 V
• Current - Output: 1.5A
• Frequency - Switching: 1.4MHz
• Voltage - Input: 1.6 ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL APPLICATIO S
200mA/DIV
1.8V TO 5V
12V Boost Converter Start-Up with Input Current Limit
5V/DIV
V
OUT
I
LI
C1: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN EMK316BJ475
D1: ON SEMICONDUCTOR MBR0520
L1: SUMIDA CR43-100
V
4.7µF
IN
12V Boost Converter with 500mA Input Current Limit
C1
(V
I
L1
IN
= 1.8V, I
0.1Ω
50µs/DIV
3
8
9
LOAD
4
ISP
V
SHDN
I
ADJ
ISN
IN
2
= 40mA)
LT1618
10µH
GND
5
U
L1
[phone]
[phone]
[phone]
[phone]
10
SW
V
FB
C
7
2k
10nF
1
1618 TA07
D1
R1
909k
R2
107k
1618 • TA06a
C2
4.7µF
V
12V
200mA/DIV
OUT
12V Boost Converter Start-Up without Input Current Limit
5V/DIV
V
OUT
I
LI
(V
90
85
80
75
70
65
60
IN
0
= 1.8V, I
20
50µs/DIV
40
LOAD
L0AD CURRENT (mA)
Efficiency
V
IN
60
= 40mA)
= 3.3V
V
80
IN
= 5V
100
1618 TA08
120 140
LT1618
1618 TA06b
sn1618 1618fas
160
13