LTC3716EG Linear Technology, LTC3716EG Datasheet - Page 5

• Manufacturer Part Number: LTC3716EG
• Description: IC SW REG STP-DN 5BIT SYNC36SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3716EG

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 1.75 V
• Current - Output: 35mA
• Frequency - Switching: 120kHz ~ 310kHz
• Voltage - Input: 4 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL PERFOR A CE CHARACTERISTICS
1000
600
100
800
400
200
5.1
5.0
4.9
4.8
4.7
4.6
4.5
4.4
60
90
80
70
50
40
30
20
10
0
0
0.01
0
0
Supply Current vs Input Voltage
and Mode
Internal 5V LDO Line Reg
Efficiency vs Load Current
(3 Operating Modes) (Figure 13)
OPERATION
I
Burst Mode
LOAD
5
5
= 1mA
0.1
10
10
LOAD CURRENT (A)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
CONSTANT
FREQUENCY
(BURST DISABLE)
15
15
FORCED
CONTINUOUS
MODE
SHUTDOWN
ON
1
20
20
V
V
FREQ = 200kHz
25
IN
OUT
25
10
= 5V
W
= 1.6V
30
30
3716 G01
3716 G04
3716 G07
U
100
35
35
250
200
100
100
150
50
80
60
40
20
75
50
25
0
0
0
0.1
0
0
Efficiency vs Load Current
(Figure 13)
EXTV
Maximum Current Sense Threshold
vs Duty Factor
CC
20
10
Voltage Drop
LOAD CURRENT (A)
DUTY FACTOR (%)
1
CURRENT (mA)
40
20
V
V
V
V
IN
IN
IN
IN
30
60
= 5V
= 8V
= 12V
= 20V
10
V
V
FREQ = 200kHz
V
OUT
EXTVCC
FCB
40
= 0V
80
= 1.6V
= 0V
3716 G05
3716 G02
3716 G08
100
100
50
5.05
5.00
4.85
4.75
4.70
4.95
4.90
4.80
100
90
80
70
60
50
80
70
60
50
40
30
20
10
0
– 50
5
0
INTV
Voltage vs Temperature
Maximum Current Sense Threshold
vs Percent of Nominal Output
Voltage (Foldback)
Efficiency vs Input Voltage
(Figure 13)
PERCENT OF NOMINAL OUTPUT VOLTAGE (%)
I
V
OUT
OUT
– 25
= 20A
= 1.6V
CC
EXTV
and EXTV
25
0
INPUT VOLTAGE (V)
TEMPERATURE ( C)
CC
10
SWITCHOVER THRESHOLD
INTV
25
CC
50
CC
LTC3716
50
VOLTAGE
Switch
15
75
75
100
3716 G03
3716 G06
3716 G09
5
125
100
20