 English |
|
|
|
|
|
|
|
| LTC3115-2_15 Datasheet, PDF (35/42 Pages) Linear Technology – 40V, 2A Synchronous Buck-Boost DC/DC Converter | |||
| |||
| ◁ |
LTC3115-2
Typical Applications
Industrial 12V 1MHz Regulator with 10.6V Input Undervoltage Lockout Threshold
10V TO
40V
ENABLED WHEN VIN
REACHES 10.6V
DISABLED WHEN VIN
FALLS BELOW 8.7V
CBST1
0.1µF
L1
10µH
CBST2
0.1µF
R1
2M
R2
255k
CIN
10µF
RT
35.7k
BST1 SW1
PVIN
VIN
SW2 BST2
PVOUT
LTC3115-2
RUN
VC
FB
PWM/SYNC
PVCC
RT
VCC
GND
PGND
CO
22µF
RFB
CFB
820pF
40.2k
C1
4.7µF
31152 TA04a
CIN: MURATA GRM55DR61H106K
CO: TDK CKG57NX5R1H226M
L1: WÃRTH 744 066 100
RTOP
1M
RBOT
90.9k
12V
1.4A
CFF
33pF
RFF
10k
PWM Mode Efficiency
vs Load Current
100
90
80
70
60
50
40
0.01
VIN = 10.6V
VIN = 12V
VIN = 24V
VIN = 36V
0.1
1
LOAD CURRENT (A)
31152 TA04b
0A to 1.5A Load Step, VIN = 24V
VOUT
(500mV/DIV)
INDUCTOR
CURRENT
(1A/DIV)
500µs/DIV
31152 TA04c
0A to 1.5A Load Step, VIN = 10.6V
0A to 1.5A Load Step, VIN = 40V
VOUT
(500mV/DIV)
VOUT
(500mV/DIV)
INDUCTOR
CURRENT
(1A/DIV)
500µs/DIV
31152 TA04d
INDUCTOR
CURRENT
(1A/DIV)
For more information www.linear.com/LTC3115-2
500µs/DIV
31152 TA04e
31152fa
35
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese