LT3437IFE#TRPBF Linear Technology, LT3437IFE#TRPBF Datasheet - Page 5

• Manufacturer Part Number: LT3437IFE#TRPBF
• Description: IC REG SW HV 500MA 16-TSSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT3437IFE#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 54 V
• Current - Output: 500mA
• Frequency - Switching: 200kHz
• Voltage - Input: 3.3 ~ 60 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

TYPICAL PERFOR A CE CHARACTERISTICS
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
600
500
400
300
200
100
100
70
60
50
30
90
80
40
20
10
0
0
–50
–50
0.1
Efficiency and Power Loss
vs Load Current
Input Current vs Temperature
SHDN Threshold
V
V
T
SLEEP MODE V
SLEEP MODE V
EFFICIENCY
A
IN
OUT
–30
RUN MODE
–25
= 25°C
= 12V
= 3.3V
–10
1
0
LOAD CURRENT (mA)
10
TEMPERATURE (°C)
TEMPERATURE (°C)
25
BIAS
BIAS
30
POWER LOSS
= 0V
= 5V
50
50
10
70
75
90
100
100
W
110
125
130
3437 G07
3437 G04
U
3437 G01
1000
150
150
500
450
400
350
300
250
200
150
100
50
0
800
700
600
500
400
300
200
100
10
0
8
6
4
0
2
–50
1.30
1.28
1.26
1.24
1.22
1.20
SHDN Pin Current
0
Bias Current vs Temperature
–50
–30
FB Voltage vs Temperature
10
–10
–25
SLEEP MODE
RUN MODE
10
TEMPERATURE (°C)
20
0
TEMPERATURE (°C)
30
V
SHDN
25
50
30
50
(V)
70
40
90
75
110
100
50
130
3437 G08
3437 G05
125
150
3437 G02
60
150
250
240
230
220
210
200
190
180
170
160
150
200
100
800
700
600
500
400
300
22
20
18
16
14
12
10
8
6
4
2
0
0
–50
–50
–50
Oscillator Frequency
vs Temperature
Switch Peak Current Limit
vs Temperature
Shutdown Supply Current
vs Temperature
–25
–25
–25
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
V
25
25
VIN
V
VIN
= 12V
50
50
50
= 60V
75
75
75
LT3437
V
VIN
100
100
100
= 80V
125
125
125
3437 G03
3437 G06
3437 G09
3437fc
5
150
150
150