LTC3424_15 Datasheet, PDF (6/12 Pages) Linear Technology – Low Output Voltage, 3MHz Micropower Synchronous Boost Converters

LTC3423/LTC3424
BLOCK DIAGRA
V_IN
3
+ _{1V TO}
V_OUT + 0.3
SW
4
OPTIONAL
P
V_OUT
7
V_OUT
1.5V TO 5.5V
SHDN 10 SHUTDOWN
ANTICROSS
CONDITION
GND
5
CURRENT
LIMIT
N
I_SENSE
AMP
+
10mV
I_ZERO
AMP
1.6A TYP (LTC3423)
2.8A TYP (LTC3424)
V_DD
2.7V TO 5.5V
6 V_DD
R_{t 1}
OSC
SYNC
PWM
LOGIC
CURRENT
COMP
SLEEP
+–
Σ
Burst Mode
CONTROL
SLOPE COMP
1.25V
ERROR
AMP
R1
FB
8
V_C
9
R2
2 MODE/SYNC
3423/24 BD
34234f
6