LTC1703CG Linear Technology, LTC1703CG Datasheet - Page 4

• 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

LTC1703
TYPICAL PERFOR A CE CHARACTERISTICS
4
100
5.0
4.5
3.5
3.0
2.0
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
4.0
2.5
80
70
90
– 50
–50
0
RUN/SS Source Current
vs Temperature
Efficiency vs Load Current
Supply Current vs Temperature
V
V
TEST CIRCUIT 1
C
IN
L
CC
= 0pF
– 25
–25
= 5V
= 5V
0
0
LOAD CURRENT (A)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
V
V
V
OUT
OUT
OUT
25
25
BOOST1, BOOST2
= 3.3V
= 2.5V
= 1.6V
50
50
PV
V
CC
10
CC
75
75
W
100
100
1703 G07
1703 G01
1703 G04
U
125
125
15
20mV/
–0.5
–1.0
–1.5
–2.0
–2.5
DIV
2.5
2.0
1.5
1.0
0.5
70
60
50
40
30
20
10
0
0
–50
–50
Transient Response
Normalized Frequency
vs Temperature
Nonoverlap Time vs Temperature
V
TEST CIRCUIT 1
C
V
V
I
±2.2% MAX DEVIATION
LOAD
CC
L
IN
OUT
TG FALLING EDGE
= 2000pF
–25
–25
BG RISING EDGE
= 5V
= 5V
= 1.8V
= 0A-10A-0A
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
10µs/DIV
25
25
BG FALLING EDGE
TG RISING EDGE
50
50
75
75
100
100
1703 G08
1703 G02
1703 G05
125
125
35
20
15
30
25
10
5
0
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
13
15
14
12
11
12
0
MOSFET Driver Supply Current
vs Gate Capacitance
–50 –25
–50
TEST CIRCUIT 1
ONE DRIVER LOADED
MULTIPLY BY # OF ACTIVE
DRIVERS TO OBTAIN TOTAL
DRIVER SUPPLY CURRENT
Driver R
Driver Rise/Fall vs Temperature
TEST CIRCUIT 1
C
V
V
L
PVCC
BOOST
= 2000pF
–25
2000
= 5V
GATE CAPACITANCE (pF)
– V
ON
SW
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
4000
vs Temperature
= 5V
25
25
6000
50
50
75
75
8000
100
100
1703 G03
1703 G09
1703 G06
10000
1703fa
125
125