LTC1703CG Linear Technology, LTC1703CG Datasheet - Page 2

• Manufacturer Part Number: LTC1703CG
• Description: IC REG SW DUAL SYNC VID 28SSOP
• Manufacturer: Linear Technology

Specifications of LTC1703CG

• Applications: Controller, Mobile Intel Pentium® III
• Voltage - Input: 3 ~ 7 V
• Number Of Outputs: 2
• Voltage - Output: 0.9 ~ 2 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage
Input Voltage
Peak Output Current < 10µs
Operating Temperature Range
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
LTC1703
SYMBOL
Main Control Loop
V
PV
BV
I
IPV
I
V
∆V
I
∆V
V
∆V
I
V
I
ELECTRICAL CHARACTERISTICS
The
V
2
CC
BOOST
FB
FCB
SS
CC
FB
FCB
RUN
CC
CC
CC
FB
OUT
FCB
V
BOOST n ............................................................... 15V
BOOST n – SW n .................................................... 7V
SW n .......................................................... – 1V to 8V
VID n ....................................................... – 0.3V to 7V
All Other Inputs ......................... – 0.3V to V
TG n , BG n ............................................................... 5A
LTC1703C .............................................. 0°C to 85°C
LTC1703I ........................................... – 40°C to 85°C
CC
= 5V unless otherwise specified. (Note 3)
●
CC ...........................................................................................
denotes specifications which apply over the full operating temperature range, otherwise specifications are T A = 25°C.
PARAMETER
V
PV
BOOST Pin Voltage
V
PV
BOOST Pin Current
Feedback Voltage
Feedback Voltage Line Regulation
Feedback Current
Output Voltage Load Regulation
FCB Threshold
FCB Feedback Hysteresis
FCB Pin Current
RUN/SS Pin RUN Threshold
Soft Start Source Current
CC
CC
CC
CC
Supply Voltage
Supply Current
Supply Voltage
Supply Current
W
W W
U
CC
CONDITIONS
(Note 2)
V
Test Circuit 1
RUN/SS1 = RUN/SS2 = 0V (Note 5)
Test Circuit 1 (Note 4)
RUN/SS1 = RUN/SS2 = 0V (Note 5)
Test Circuit 1 (Note 4)
RUN/SS1 = RUN/SS2 = 0V
Test Circuit 1, LTC1703C
Test Circuit 1, LTC1703I
V
FB2 Only (Note 8)
(Note 6)
RUN/SS n = 0V
BOOST
CC
+ 0.3V
= 3V to 7V
7V
– V
SW
(Note 2)
PACKAGE/ORDER I FOR ATIO
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:
RUN/SS1
BOOST1
COMP1
SENSE
SGND
I
PV
MAX1
VID0
VID1
SW1
BG1
TG1
FCB
FB1
CC
10
11
12
13
14
1
2
3
4
5
6
7
8
9
T
28-LEAD PLASTIC SSOP
JMAX
= 125°C, θ
G PACKAGE
TOP VIEW
http://www.linear.com/leadfree/
JA
= 55°C/ W
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
28
27
26
25
24
23
22
21
20
19
18
17
16
15
0.792
0.790
– 1.5
MIN
0.75
0.45
2.7
3
3
I
BOOST2
BG2
TG2
SW2
PGND
FAULT
RUN/SS2
COMP2
FB2
V
VID4
VID3
VID2
MAX2
CC
U
±0.005
±0.001
±0.001
0.800
0.800
– 3.5
0.55
TYP
2.2
2.2
1.3
0.1
0.1
0.8
30
20
6
ORDER PART
W
LTC1703CG
LTC1703IG
0.808
0.810
±0.05
NUMBER
MAX
±0.2
– 5.5
0.85
0.65
100
100
±1
±1
10
7
7
7
8
6
3
UNITS
U
1703fa
%/V
mA
mA
mA
mV
µA
µA
µA
µA
µA
µA
%
V
V
V
V
V
V
V