LT1956EGN-5#TRPBF Linear Technology, LT1956EGN-5#TRPBF Datasheet - Page 2
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LT1956EGN-5#TRPBF
Manufacturer Part Number
LT1956EGN-5#TRPBF
Description
IC SW REG STP-DWN HI VOLT 16SSOP
Manufacturer
Linear Technology
Type
Step-Down (Buck)r
Datasheet
1.LT1956EGNPBF.pdf
(28 pages)
Specifications of LT1956EGN-5#TRPBF
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
5V
Current - Output
1.5A
Frequency - Switching
500kHz
Voltage - Input
5.5 ~ 60 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
PACKAGE/ORDER I FOR ATIO
ELECTRICAL CHARACTERISTICS
LT1956/LT1956-5
ABSOLUTE AXI U RATI GS
Input Voltage (V
BOOST Pin Above SW ............................................ 35V
BOOST Pin Voltage ................................................. 68V
SYNC, SENSE Voltage (LT1956-5) ........................... 7V
SHDN Voltage ........................................................... 6V
BIAS Pin Voltage .................................................... 30V
FB Pin Voltage/Current (LT1956) ................... 3.5V/2mA
Consult LTC Marketing for parts specified with wider operating temperature ranges.
The
V
PARAMETER
Reference Voltage (LT1956)
SENSE Voltage (LT1956-5)
SENSE Pin Resistance (LT1956-5)
FB Input Bias Current (LT1956)
Error Amp Voltage Gain
Error Amp g
V
EA Source Current
EA Sink Current
V
V
2
C
C
C
IN
to Switch g
Switching Threshold
High Clamp
T
JMAX
= 15V, V
BOOST
EXPOSED BACKSIDE MUST BE SOLDERED
denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
GND
GND
= 125 C,
SW
V
NC
NC
NC
IN
m
16-LEAD PLASTIC TSSOP
C
1
2
3
4
5
6
7
8
m
TO GROUND PLANE
= 1.5V, SHDN = 1V, Boost o/c, SW o/c, unless otherwise noted.
JA
FE PACKAGE
= 45 C/ W,
TOP VIEW
IN
) ................................................. 60V
W
JC
(PAD) = 10 C/ W
16
15
14
13
12
11
10
9
GND
SHDN
SYNC
NC
FB/SENSE
V
BIAS
GND
W W
C
U
FE PART MARKING
ORDER PART
LT1956EFE
LT1956IFE
LT1956EFE-5
LT1956IFE-5
W
1956EFE
1956IFE
1956EFE-5
1956IFE-5
CONDITIONS
5.5V V
V
5.5V V
V
(Notes 2, 9)
dl (V
FB = 1V or V
FB = 1.4V or V
Duty Cycle = 0
SHDN = 1V
NUMBER
OL
OL
U
+ 0.2 V
+ 0.2 V
C
) = 10 A (Note 9)
IN
IN
SENSE
60V
60V
C
C
U
SENSE
(Note 1)
V
V
OH
OH
= 4.1V
= 5.7V
– 0.2
– 0.2
Operating Junction Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
T
JMAX
BOOST
LT1956EFE/LT1956EFE-5/LT1956EGN/LT1956EGN-5
(Notes 8, 10) ..................................... – 40 C to 125 C
LT1956IFE/LT1956IFE-5/LT1956IGN/LT1956IGN-5
(Notes 8, 10) ..................................... – 40 C to 125 C
GND
GND
SW
= 125 C,
V
NC
NC
NC
IN
FOUR CORNER PINS SOLDERED
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
TO GROUND PLANE
JA
GN PACKAGE
TOP VIEW
= 85 C/ W,
JC
16
15
14
13
12
11
10
(PIN 8) = 25 C/ W
9
GND
SHDN
SYNC
NC
FB/SENSE
V
BIAS
GND
C
1.204
1.195
1500
1000
MIN
4.94
4.90
200
125
100
9.5
GN PART MARKING
1.219
2000
13.8
TYP
400
225
225
0.5
1.7
0.9
2.1
5
ORDER PART
LT1956EGN
LT1956IGN
LT1956EGN-5
LT1956IGN-5
NUMBER
1956
1956I
19565
1956I5
J
1.234
1.243
3000
3200
= 25 C.
MAX
5.06
5.10
400
450
1.5
19
UNITS
Mho
Mho
1956f
V/V
A/V
k
V
V
V
V
A
A
A
V
V