LTC3525LESC6-3#TRPBF Linear Technology, LTC3525LESC6-3#TRPBF Datasheet - Page 5

• Manufacturer Part Number: LTC3525LESC6-3#TRPBF
• Description: IC DC/DC CONV 3V SC70-6
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LTC3525LESC6-3#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3V
• Current - Output: 400mA
• Voltage - Input: 0.5 ~ 4.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SC-70-6, SC-88, SOT-363
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -

SHDN (Pin 1): Logic-Controlled Shutdown Input. Connect
to a voltage >0.88V to enable the LTC3525L-3. Connect to
a voltage <0.3V to disable the LTC3525L-3.
GND (Pins 2, 5): Ground.
V
from V
than (V
ceramic bypass capacitor from V
value of 1µF is recommended.
PIN FUNCTIONS
BLOCK DIAGRAM
IN
(Pin 3): Input Voltage. The LTC3525L-3 is powered
SHDN
IN
IN
+ 0.2V typical), it is powered from V
until V
1
SHUTDOWN
SHUTDOWN
OUT
V
THERMAL
OUT
V
UVLO
V
BEST
REF
SHUTDOWN
exceeds V
START-UP
VB
SHUTDOWN
V
REF
TSD
UVLO
IN
V
SEL
. Once V
IN
to GND. A minimum
GATE DRIVERS
CONDUCTION
ANTI-CROSS
LOGIC
AND
OUT
OUT
is greater
. Place a
5
I
PK
GND
I
VAL
WAKE
COMPARATOR
6
10µH
INTEGRATOR
–
+
2
SW
I
PK
ADJUST
GND
OFFSET
COMPARATOR
V
Synchronous Rectifier. Connect the output filter capacitor
from V
10µF ceramic is recommended. Use 22µF for reduced
output ripple. The output disconnect feature disconnects
V
SW (Pin 6): Switch Pin. Connect an inductor from this
pin to V
across SW and V
to zero to minimize EMI.
OUT
OUT
I
VALLEY
–
+
+
–
(Pin 4): Output Voltage Sense and the Output of the
from V
ADJUST
OUT
IN
COMPARATOR
. An internal antiringing resistor is connected
SLEEP
to GND, close to the IC. A minimum value of
–
+
IN
OFFSET
when SHDN is <0.3V.
IN
V
FB
REF
after the inductor current has dropped
+
–
ADJUST
SWITCH
WELL
3
V
IN
LTC3525L-3
3525L BD
4
V
OUT
1µF
10µF
V
V
IN
OUT
3525lfa
5