LTC1704 Linear Technology, LTC1704 Datasheet - Page 2

• Manufacturer Part Number: LTC1704
• Description: 550kHz Synchronous Switching Regulator Controller Plus Linear Regulator Controller
• Manufacturer: Linear Technology

ABSOLUTE AXI U RATI GS
LTC1704/LTC1704B
(Note 1)
Supply Voltage
Input Voltage
Peak Output Current <10 s
Operating Temperature Range (Note 2) .. – 40 C to 85 C
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
The
V
SYMBOL PARAMETER
V
PV
BV
I
I
I
V
I
Switcher Control Loop
V
I
dV
A
GBW
I
V
ELECTRICAL CHARACTERISTICS
2
VCC
PVCC
BOOST
SS
FB
COMP
I
CC
SHDN
FB
FB
PGOOD
IMAX
CC
FB
CC
CC
V
BOOST ................................................................. 12V
BOOST – SW ......................................................... 6V
SW ............................................................. –1V to 6V
FB, REGFB, REGILM,
RUN/SS, I
TG, BG (Note 7) ..................................................... 5A
= PV
CC
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
, PV
CC
V
PV
BOOST Pin Voltage
V
PV
BOOST Pin Current
RUN/SS Shutdown Threshold
RUN/SS Source Current
Feedback Voltage
Feedback Input Current
Feedback Voltage Line Regulation
Output Voltage Load Regulation
Feedback Amplifier DC Gain
Feedback Amplifier Gain Bandwidth Product
Feedback Amplifier Output Sink/Source Current
Negative Power Good Threshold
Positive Power Good Threshold
I
MAX
CC
CC
= BOOST = 5V, unless otherwise specified. (Note 3)
CC
CC
CC
Supply Voltage
Supply Current
Source Current
MAX
Supply Voltage
Supply Current
.............................................................. 6V
.......................... – 0.3V to (V
W
W W
U
CC
CONDITIONS
(Note 4)
V
Test Circuit
V
Test Circuit, No Load at Drivers
V
Test Circuit
V
V
V
V
(Note 7)
f = 100kHz (Note 7)
V
BOOST
RUN/SS
RUN/SS
RUN/SS
RUN/SS
RUN/SS
CC
IMAX
+ 0.3V)
= 3.3V to 5.5V
= 0V
– V
= 0V, V
= 0V (Notes 5, 6)
= 0V (Notes 5, 6)
= 0V
SW
(Note 4)
REGILM
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
RUN/SS
REGDR
= 0V
COMP
I
GND
MAX
SW
TG
FB
T
JMAX
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
= 125 C,
GN PACKAGE
TOP VIEW
JA
= 130 C/W
16
15
14
13
12
11
10
9
BOOST
PV
BG
PGND
PGOOD
V
REGILM
REGFB
CC
CC
–11.5
0.788
– 0.2
3.15
3.15
3.15
MIN
–15
0.2
74
6
3
U
GN PART MARKING
0.800
– 0.1
TYP
–10
–10
4.5
0.5
– 3
0.01
75
85
20
10
5
5
5
3
2
10
LTC1704EGN
LTC1704BEGN
ORDER PART
NUMBER
W
1704
1704B
0.812
MAX
– 8.5
150
5.5
5.5
5.5
A
– 6
50
50
15
0.1
8
6
6
1
= 25 C.
UNITS
1704bfa
U
MHz
%/V
mA
mA
mA
mA
dB
%
%
%
V
V
V
A
A
A
V
A
V
A
A