LTC3809EMSE-1 Linear Technology, LTC3809EMSE-1 Datasheet - Page 8

• Manufacturer Part Number: LTC3809EMSE-1
• Description: IC CTRLR DC/DC SYNC 10-MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3809EMSE-1

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 9.8 V
• Current - Output: 1A
• Frequency - Switching: 550kHz
• Voltage - Input: 2.75 ~ 9.8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP Exposed Pad, 10-HMSOP, 10-eMSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LTC3809-1
FUNCTIONAL DIAGRAM
8
11
5
2
1
V
IN
RUN
GND
TRACK/SS
MODE
0.7μA
C
UNDERVOLTAGE
t = 0.74ms
INTERNAL
SOFT-START
IN
REFERENCE
VOLTAGE
LOCKOUT
V
1μA
IN
9
BURST DEFEAT
V
IN
V
IN
MUX
0.6V
V
REF
TRK/SS
BURSTDIS
FCB
SENSE
UVSD
+
SLOPE
V
IN
0.3V
+
–
0.15V
ICMP
6
IPRG
CLK
+
–
OSC
+
–
S
R
BURSTDIS
Q
SLEEP
FCB
SWITCHING
LOGIC AND
BLANKING
CIRCUIT
I
REV
I
REV
OV
UV
ANTI-SHOOT-
THROUGH
RICMP
EAMP
GND
PV
IN
+
–
+
–
+
–
+
+
–
0.6V
TRK/SS
SW
GND
V
REF
0.68V
0.54V
V
10
8
7
FB
4
3
TG
SW
BG
I
V
TH
FB
R
C
C
MP
MN
C
C
OUT
L
38091 FD
R
R
B
A
38091fc
V
OUT