LTC3716EG Linear Technology, LTC3716EG Datasheet - Page 9
LTC3716EG
Manufacturer Part Number
LTC3716EG
Description
IC SW REG STP-DN 5BIT SYNC36SSOP
Manufacturer
Linear Technology
Type
Step-Down (Buck)r
Datasheet
1.LTC3716EG.pdf
(28 pages)
Specifications of LTC3716EG
Internal Switch(s)
No
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
0.6 ~ 1.75 V
Current - Output
35mA
Frequency - Switching
120kHz ~ 310kHz
Voltage - Input
4 ~ 36 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
36-SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
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PI FU CTIO S
V
coupled to the IC’s signal ground pin.
FU CTIO AL DIAGRA
IN
f
IN
AMPMD
U
DIFFOUT
V
V
U
(Pin 32): Main Supply Pin. Should be closely de-
OS
OS
R
–
+
C
+
5V
LP
LP
ATTENOUT
PLLFLTR
ATTENIN
EXTV
PGOOD
INTV
PLLIN
SGND
FCB
V
U
IN
CC
0.18 A
CC
50k
0V POSITION
U
10k
3V
OSCILLATOR
4.8V
PHASE DET
0.60V
4.5V
R1
U
+
–
–
+
+
–
–
+
CLK1
CLK2
TO SECOND
CHANNEL
–
+
–
+
A1
INTERNAL
SUPPLY
V
LDO
REG
5V
REF
0.66V
EAIN
0.54V
FCB
VID0
W
VID1
DUPLICATE FOR SECOND
CONTROLLER CHANNEL
5-BIT VID DECODER
VID2
6V
1.2 A
VID3
0.86V
5V
SLOPE
FB
COMP
VID4
I
S
R
1
0.55V
–
+
Q
Q
–
TYPICAL ALL
40k
DROP
VID PINS
OUT
DET
45k
+
–
+
B
SHDN
5V
+
RST
PGOOD (Pin 36): Open-Drain Logic Output. PGOOD is
pulled to ground when the voltage on the EAIN pin is not
within 10% of its set point.
FB
BOT
V
TOP ON
–
BIAS
SHDN
FCB
START
SOFT-
45k
RUN
OV
–
+
2.4V
EA
I
2
SWITCH
–
+
+
–
LOGIC
V
FB
0.60V
0.66V
TOP
BOT
INTV
CC
INTV
30k
30k
CC
SENSE
SENSE
BOOST
RUN/SS
PGND
EAIN
SW
TG
BG
I
TH
+
–
INTV
CC
C
C
D
C2
C
C
B
B
L
C
R
SS
C
3
V
1
IN
R
SENSE
D1
LTC3716
+
2
4
C
IN
9