LT3437IFE#TRPBF Linear Technology, LT3437IFE#TRPBF Datasheet - Page 27

• 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 APPLICATIO
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
1500pF
*FOR INPUT VOLTAGES ABOVE 60V,
V
4.5V TO
80V*
SOME RESTRICTIONS MAY APPLY
IN
U
25k
100
90
80
70
60
50
30
2.2µF
100V
CER
40
20
10
14V to 3.3V Step-Down Converter with
0
200
180
160
140
120
100
0.1
80
60
40
20
100µA No Load Quiescent Current
Efficiency and Power Loss
vs Load Current
330pF
0
V
V
T
EFFICIENCY
IN
OUT
A
Supply Current
vs Input Voltage
0
= 25°C
= 12V
= 3.3V
V
SHDN
SYNC
GND
V
10
IN
C
1
LT3437
LOAD CURRENT (mA)
20
BOOST
INPUT VOLTAGE (V)
V
BIAS
C
SW
30
POWER LOSS
SS
FB
10
0.1µF
40
50
0.1µF
27pF
100
60
10MQ100N
100µH
70
3435 TA05
1000
3437 G01
BAS21
500
450
400
350
300
250
200
150
100
50
0
80
165k
100k
V
3.3V
400mA
100µF
6.3V
TANT
3437 TA04
OUT
LT3437
27
3437fc