ltc3704ems-trpbf Linear Technology Corporation, ltc3704ems-trpbf Datasheet - Page 2

• Manufacturer Part Number: ltc3704ems-trpbf
• Description: Wide Input Range, No Rsense Positive-to-negative Dc/dc Controller
• Manufacturer: Linear Technology Corporation

ABSOLUTE AXI U RATI GS
LTC3704
(Note 1)
V
INTV
INTV
GATE Voltage ........................... – 0.3V to V
I
NFB Voltage .............................................. –2.7V to 2.7V
RUN, MODE/SYNC Voltages ....................... – 0.3V to 7V
FREQ Voltage ............................................– 0.3V to 1.5V
SENSE Pin Voltage ................................... – 0.3V to 36V
Operating Temperature Range (Note 2) .. – 40°C to 85°C
Junction Temperature (Note 3) ............................ 125°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ELECTRICAL CHARACTERISTICS
The
V
SYMBOL
Main Control Loop
V
I
V
V
V
I
V
I
ΔV
g
V
V
I
I
2
ΔV
ΔV
ΔV
Q
RUN
NFB
SENSE(ON)
SENSE(OFF)
TH
m
IN(MIN)
RUN
RUN
RUN(HYST)
NFB
ITH(BURST)
SENSE(MAX)
IN
IN
NFB
IN
NFB
ITH
LTC3704E ............................................ –40°C to 85°C
LTC3704I ........................................... –40°C to 125°C
= V
Voltage ............................................... – 0.3V to 2.7V
●
Voltage ............................................... – 0.3V to 36V
+
–
CC
CC
denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
INTVCC
Voltage ........................................... – 0.3V to 7V
Output Current ........................................ 50mA
PARAMETER
Minimum Input Voltage
Input Voltage Supply Current
Rising RUN Input Threshold Voltage
Falling RUN Input Threshold Voltage
RUN Pin Input Threshold Hysteresis
RUN Input Current
Negative Feedback Voltage
NFB Pin Input Current
Line Regulation
Load Regulation
Error Amplifier Transconductance
Burst Mode Operation I
Maximum Current Sense Input Threshold
SENSE Pin Current (GATE High)
SENSE Pin Current (GATE Low)
= 5V, V
Continuous Mode
Burst Mode Operation, No Load
Shutdown Mode
RUN
W
= 1.5V, R
W W
TH
T
Pin Voltage
= 80k, V
MODE/SYNC
INTVCC
U
CONDITIONS
(V
V
V
V
V
V
V
V
V
2.5V ≤ V
V
I
Falling I
Duty Cycle < 20%
V
V
TH
MODE/SYNC
MODE/SYNC
RUN
INTVCC
INTVCC
ITH
ITH
ITH
MODE/SYNC
SENSE
SENSE
INTVCC
= 0V, unless otherwise specified.
Pin Load = ±5μA (Note 5)
= 0.4V (Note 5)
= 0.4V (Note 5)
= 0.4V (I-Grade) (Notes 2 and 5)
+ 0.3V
= 0V
= 0V
= 30V
TH
= Open
= Open
IN
= Open, No Switching) (Note 4)
Voltage
≤ 30V
= 5V, V
= 0V, V
= 0V, V
PACKAGE/ORDER I FOR ATIO
ITH
ITH
ITH
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
= 0.75V
= 0V (Note 5)
= 0.5V to 0.90V (Note 5)
LTC3704EMS
LTC3704IMS
ORDER PART
NUMBER
MODE/
SYNC
FREQ
RUN
NFB
http://www.linear.com/leadfree/
I
TH
T
JMAX
10-LEAD PLASTIC MSOP
1
2
3
4
5
●
●
●
●
= 125°C, θ
MS PACKAGE
TOP VIEW
–1.218
–1.212
–1.205
1.223
1.198
MIN
120
2.5
– 1
50
U
JA
= 120°C/ W
MS PART MARKING
–1.230
1.348
1.248
0.002
– 0.1
0.17
TYP
550
250
100
650
150
7.5
0.1
10
40
10
9
8
7
6
1
SENSE
V
INTV
GATE
GND
IN
LTYT
LTCFW
W
A
CC
= 25°C.
–1.242
–1.248
–1.255
1.273
1.298
MAX
1000
0.02
500
150
100
180
20
15
75
5
UNITS
U
μmho
3704fb
%/V
mV
mV
μA
μA
μA
nA
μA
μA
μA
%
V
V
V
V
V
V
V
V