LT3437IFE#TRPBF Linear Technology, LT3437IFE#TRPBF Datasheet - Page 7

• 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
1600
1500
1400
1300
1200
1100
1000
900
800
700
600
500
400
6
5
3
2
4
1
0
–50
2.0
Dropout Operation
Maximum Sync Frequency
vs Temperature
V
I
BOOST DIODE = DIODES INC B1100
LOAD
OUT
–25
2.5
= 5V
= 250mA
3.0
0
INPUT VOLTAGE (V)
TEMPERATURE (°C)
100mA/DIV
50mV/DIV
3.5
25
V
I
OUT
OUT
4.0
50
Step Response
LOAD STEP 0mA TO 200mA
4.5
75
V
V
I
OUT
100
5.0
IN
OUT
W
= 12V
= 100mA
= 3.3V
125
5.5
3437 G19
3437 G22
U
6.0
150
1ms/DIV
AC COUPLED
100mA/DIV
20mV/DIV
V
94.5
94.0
93.5
93.0
92.5
92.0
91.5
I
OUT
SW
–50
Maximum Duty Cycle
vs Temperature
Burst Mode Operation
V
V
I
Q
I
IN
OUT
LOAD
= 100µA
= 12V
–25
3437 G25
= 3.3V
= 250mA
0
TEMPERATURE (°C)
25
10µs/DIV
50
75
100mA/DIV
100
50mV/DIV
V
125
I
OUT
OUT
3437 G20
3437 G23
Step Response
LOAD STEP 100mA TO 300mA
150
AC COUPLED
100mA/DIV
20mV/DIV
V
OUT
I
0.6
0.5
0.4
0.3
0.2
0.1
SW
0
–50
1ms/DIV
V
vs Temperature
Burst Mode Defeated
V
V
I
V
Q
IN
OUT
SYNC
C
= 1.7mA
–25
= 12V
Switching Threshold
= 3.3V
= 3.3V
0
TEMPERATURE (°C)
25
10µs/DIV
3437 G26
50
75
LT3437
100
125
3437 G21
3437 G24
3437fc
7
150