LT3437IFE#TRPBF Linear Technology, LT3437IFE#TRPBF Datasheet - Page 2

• 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: -

LT3437
ABSOLUTE AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
ELECTRICAL CHARACTERISTICS
2
(Note 1)
V
V
BOOST Pin Above SW ............................................ 35V
BOOST Pin Voltage Operating ................................. 75V
BOOST Pin 100ms Transient, <15% Duty Cycle ...... 85V
SYNC, C
temperature range, otherwise specifications are at T
otherwise noted.
SYMBOL
V
I
I
Consult LTC Marketing for parts specified with wider operating temperature ranges.
SHDN
VINS
SHDN
IN
IN
Order Options
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
ORDER PART NUMBER
, SHDN, BIAS, SW Operating ............................. 60V
, SHDN 100ms Transient, <15% Duty Cycle ....... 80V
LT3437EDD
LT3437IDD
SS
, FB .......................................................... 6V
PARAMETER
SHDN Threshold
SHDN Input Current
Minimum Input Voltage (Note 3)
Supply Shutdown Current
Supply Sleep Current (Note 4)
Tape and Reel: Add #TR
MUST BE SOLDERED TO GND (PIN 4)
W
BOOST
θ
EXPOSED PAD IS GND (PIN 11)
10-LEAD (3mm × 3mm) PLASTIC DFN
GND
JA
http://www.linear.com/leadfree/
C
SW
V
SS
IN
= 45°C/W, θ
1
2
3
4
5
DD PACKAGE
TOP VIEW
W W
11
JC(PAD)
U
= 10°C/W
DD PART MARKING
10
9
8
7
6
SHDN
SYNC
FB
V
BIAS
C
LBDK
LBDJ
W
U
CONDITIONS
SHDN = 12V
SHDN = 0V, BOOST = 0V, FB/PGFB = 0V, BIAS = 0V
BIAS = 0V, FB = 1.35V
FB = 1.35V
J
= 25°C. V
The
U
●
IN
denotes the specifications which apply over the –40°C to 125°C
= 12V, SHDN = 12V, BIAS = 5V, FB = 1.25V, C
Operating Junction Temperature Range
Storage Temperature Range ................. – 65°C to 125°C
ORDER PART NUMBER
LT3437EDD (Note 2) ....................... – 40°C to 125°C
LT3437IDD (Note 2) ........................ – 40°C to 125°C
LT3437EFE (Note 2) ........................ – 40°C to 125°C
LT3437IFE (Note 2) ......................... – 40°C to 125°C
LT3437HFE (Note 2) .......................... –40°C to 140°C
DD Package ....................................... –65°C to 125°C
FE Package ........................................ –65°C to 150°C
LT3437EFE
LT3437IFE
LT3437HFE
MUST BE SOLDERED TO GND (PIN 8)
BOOST
θ
EXPOSED PAD IS GND (PIN 17)
GND
JA
SW
V
NC
NC
NC
NC
IN
= 45°C/W, θ
16-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
●
●
●
●
●
FE PACKAGE
TOP VIEW
1.15
17
JC(PAD)
MIN
= 10°C/W
FE PART MARKING
16
15
14
13
12
11
10
9
NC
SHDN
SYNC
NC
FB
V
BIAS
C
TYP
C
SS
SS
150
1.3
2.5
0.1
3437EFE
3437IFE
3437HFE
45
5
/SYNC = 0V unless
MAX
1.45
300
30
75
3
2
UNITS
3437fc
µA
µA
µA
µA
V
V