LTC3440EMS Linear Technology, LTC3440EMS Datasheet - Page 7

• Manufacturer Part Number: LTC3440EMS
• Description: IC DC/DC CONV BUCK-BOOST 10-MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost)r

Specifications of LTC3440EMS

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 2.5 ~ 5.5 V
• Current - Output: 600mA
• Frequency - Switching: 2MHz
• Voltage - Input: 2.5 ~ 5.5 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: -

BLOCK DIAGRA
+
2.5V TO 5.5V
1 = Burst Mode
0 = FIXED FREQUENCY
MODE/SYNC
OPERATION
V
R
IN
T
R
T
7
1
2
2.7A
2.4V
SYNC
OSC
+
–
+
–
SW A
W
SW1
CURRENT
SW B
SUPPLY
SLEEP
LIMIT
UVLO
3
CONDUCTION
ANTICROSS
OPERATION
Burst Mode
5μs DELAY
CONTROL
DRIVERS
PHASING
OUTPUT
LOGIC
GATE
PWM
AND
AND
5
GND
COMPARATORS
PWM
4
SW C
SW2
I
SENSE
AMP
–
+
–
+
–0.4A
–
SHUTDOWN
SW D
+
CURRENT
REVERSE
LIMIT
ERROR
AMP
CLAMP
+
–
1.22V
10
6
9
8
SHDN/SS
V
FB
V
OUT
C
R
C
SS
SS
LTC3440
V
IN
2.5V TO 5.5V
R1
R2
V
OUT
3440fb
7
3440 BD