LTC3735EUHF Linear Technology, LTC3735EUHF Datasheet - Page 5

• Manufacturer Part Number: LTC3735EUHF
• Description: IC CTRLR DC/DC 2PH HI EFF 38-QFN
• Manufacturer: Linear Technology

Specifications of LTC3735EUHF

• Applications: Controller, Intel Mobile CPU
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 1.71 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 38-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Input: -

TYPICAL PERFOR A CE CHARACTERISTICS
1500
2500
2000
1000
100
500
60
50
20
10
90
80
70
60
80
70
40
30
0
0
0
0
Active Mode Efficiency
(Figure 14)
4
Maximum Current Sense Threshold
vs V
Supply Current vs PV
and Mode
V
SENSE(CM)
RUN/SS
5
1
V
IN
LOAD CURRENT (A)
= 1.25V
10
PV
= 7.5V
(Soft-Start)
5
V
CC
V
2
IN
RUN/SS
VOLTAGE (V)
= 20V
SHUTDOWN
15
(V)
ON
3
CC
20
6
Voltage
V
PSI = 0
ID
W
= 1.468V
4
25
3735 G01
3735 G07
3735 G04
U
30
5
7
75
50
25
90
80
70
60
76
68
64
60
72
0
0.01
0
0
Maximum Current Sense Threshold
vs Sense Common Mode Voltage
Deeper Sleep Mode Efficiency
(Figure 14)
Maximum Current Sense Threshold
vs Duty Factor
PSI = 0
20
COMMON MODE VOLTAGE (V)
1
V
IN
LOAD CURRENT (A)
DUTY FACTOR (%)
0.1
= 7.5V
40
2
V
IN
= 20V
60
3
1
80
4
3735 G05
3735 G02
3735 G08
100
10
5
–10
–20
–30
100
90
70
80
60
50
90
80
70
60
50
40
80
70
60
50
40
30
20
10
30
20
10
0
0
5
0
0
Maximum Current Sense Threshold
vs Percent of Nominal Output
Voltage (Foldback)
Current Sense Threshold
vs I
PERCENT OF NOMINAL OUTPUT VOLTAGE (%)
Efficiency vs Input Voltage
(Figure 14)
I
V
OUT
OUT
TH
= 20A
= 1.6V
0.5
Voltage
25
INPUT VOLTAGE (V)
10
1
V
ITH
50
(V)
LTC3735
1.5
15
75
2
3735 G03
3735 G06
3735 G09
5
3735f
100
2.5
20