LT3494AEDDB#PBF Linear Technology, LT3494AEDDB#PBF Datasheet - Page 4

• Manufacturer Part Number: LT3494AEDDB#PBF
• Description: IC,SMPS CONTROLLER,VOLTAGE-MODE,BIPOLAR,LLCC,8PIN,PL
• Manufacturer: Linear Technology

Specifications of LT3494AEDDB#PBF

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 8
• Mounting: Surface Mount
• Package Type: DFN EP
• Case Length: 3mm
• Screening Level: Industrial
• Lead Free Status / RoHS Status: Compliant

LT3494/LT3494A
TYPICAL PERFORMANCE CHARACTERISTICS
INDUCTOR
4
10mV/DIV
50mA/DIV
COUPLED
CURRENT
VOLTAGE
10V/DIV
–0.5
–1.0
–1.5
–2.0
V
2.0
1.5
1.0
0.5
20
15
10
OUT
SW
5
0
AC
0
–40
0
Output Voltage vs Temperature
SHDN Current vs SHDN Voltage
LT3494
FIGURE 5 CIRCUIT
LT3494 Switching Waveforms at
No Load
V
V
FIGURE 5 CIRCUIT
CC
OUT
–20
2
= 3.6V
= 16V
4
0
SHDN PIN VOLTAGE (V)
TEMPERATURE (°C)
20
6
5μs/DIV
40
8
60
10
80
12
100
14
3494 G04
3494 G07
3494 G10
120
16
100mA/DIV
INDUCTOR
10mV/DIV
COUPLED
CURRENT
VOLTAGE
10V/DIV
51.0
50.5
50.0
49.5
49.0
48.5
48.0
47.5
47.0
250
400
350
300
200
150
100
V
OUT
SW
AC
–40
–40
Peak Inductor Current (LT3494)
Minimum Switching Frequency
FIGURE 5 CIRCUIT
V
V
LT3494 Switching Waveforms at
1mA Load
V
NO LOAD
V
V
CC
OUT
FIGURE 5 CIRCUIT
CC
CC
OUT
–20
–20
= 3.6V
= 3.6V
= 3.6V
= 16V
= 16V
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
2μs/DIV
40
40
60
60
80
80
100
100
T
3494 G05
3494 G08
A
3494 G11
= 25°C unless otherwise noted.
120
120
100mA/DIV
INDUCTOR
10mV/DIV
COUPLED
CURRENT
VOLTAGE
10V/DIV
550
100
700
650
600
450
400
500
V
95
90
85
80
75
70
65
60
55
50
OUT
SW
AC
–40
3
Quiescent Current–Not Switching
Peak Inductor Current (LT3494A)
FIGURE 6 CIRCUIT
V
V
LT3494 Switching Waveforms at
25mA Load
V
V
CC
OUT
FIGURE 5 CIRCUIT
CC
OUT
–20
= 3.6V
4
= 3.6V
= 16V
= 16V
0
5
TEMPERATURE (°C)
20
6
V
500ns/DIV
CC
40
(V)
7
60
8
80
100
9
3494 G06
3494 G09
3494fb
3494 G12
120
10