LTC3716EG Linear Technology, LTC3716EG Datasheet - Page 7

• 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
50mV/DIV
4A/DIV
–10
–12
–11
–9
–8
–7
V
I
–50 –25
CC
CC
Current Sense Pin Input Current
vs Temperature
V
OUT
Load Step (Figure 13)
V
FCB = 0V
IN
= 1.6V
= 15V, V
0
TEMPERATURE ( C)
OUT
25
= 1.25V, SLEW RATE = 30A/ s
3.50
3.45
3.30
3.20
3.40
3.35
3.25
25 s/DIV
–50
50
Undervoltage Lockout
vs Temperature
–25
75
W
100
0
TEMPERATURE ( C)
3716 G20
U
3716 G19
125
25
50
20mV/DIV
V
75
OUT(AC)
1A/DIV
1A/DIV
10
6
8
4
2
0
–50 –25
I
I
L1
L2
EXTV
vs Temperature
100
Burst Mode Operation (Figure 13)
V
3716 G23
FCB = OPEN
IN
= 15V, V
CC
125
Switch Resistance
0
TEMPERATURE ( C)
OUT
25
= 1.6V, I
10 s/DIV
50
L
= 200mA
R9, R21 = 0.01
75
3.0
2.5
2.0
1.0
4.5
4.0
3.5
1.5
0.5
RMS
0
100
–50
V
Thresholds vs Temperature
3716 G21
RUN/SS
3716 G25
125
–25
Shutdown Latch
0
TEMPERATURE ( C)
20mV/DIV
V
OUT(AC)
1A/DIV
1A/DIV
THRESHOLD
350
200
300
250
150
100
LATCHOFF
25
50
0
– 50
I
I
L1
L2
Oscillator Frequency
vs Temperature
LATCH ARMING
Constant Frequency Mode
(Figure 13)
50
V
FCB = INTV
– 25
IN
= 15V, V
75
0
TEMPERATURE ( C)
CC
OUT
100
V
3716 G24
= 1.6V, I
25
V
FREQSET
V
FREQSET
FREQSET
2 s/DIV
125
LTC3716
50
L
= OPEN
= 400mA
= 5V
= 0V
R9, R21 = 0.01
75
RMS
100
3716 G22
7
3716 G26
125