LTC3112_15 Datasheet, PDF (10/32 Pages) Linear Technology – 15V, 2.5A Synchronous Buck-Boost DC/DC Converter

LTC3112
Block Diagram
2.7V TO 15V
V_IN
V_CC
4.7µH
BST1
V_IN
SW1
A
ADRV
SW2
V_OUT
BST2
D
DDRV
V_CC IOUT
24µA/A
5V
V_OUT
V_CC
B
BDRV
GND
V_CC
C
CDRV
GND
ADRV BDRV
CDRV DDRV
DRIVERS
V_CC
RUN
OFF ON
OVP
V_CC
–
300mA ⁺
+
10A _–
+
6A –
I_ZERO
I_PEAK
I_LIMIT
V_{CC +}
2.3V _–
UVLO
OVERVOLTAGE
PROTECTION
V_IN
V_CC
4.2V
REGULATOR
/CLAMP
REFERENCE 1.2V
LOGIC
REVERSE I_LIM
–1A
V_CC
PLL
750kHz
OSCILLATOR
Burst Mode OPERATION
FB
0.8V
SOFT-START
RAMP
COMP
0.9V
PWM/
SYNC
3112fc
10
For more information www.linear.com/LTC3112