lt1766efe-trpbf Linear Technology Corporation, lt1766efe-trpbf Datasheet - Page 2

• Manufacturer Part Number: lt1766efe-trpbf
• Description: High Voltage 1.5a, 200khz Step-down Switching Regulators
• Manufacturer: Linear Technology Corporation

PACKAGE/ORDER I FOR ATIO
ELECTRICAL CHARACTERISTICS
LT1766/LT1766-5
ABSOLUTE AXI U RATI GS
(Note 1)
Input Voltage (V
BOOST Pin Above SW ............................................ 35V
BOOST Pin Voltage ................................................. 68V
SYNC, SENSE Voltage (LT1766-5) ........................... 7V
SHDN Voltage ........................................................... 6V
BIAS Pin Voltage .................................................... 30V
FB Pin Voltage/Current (LT1766) ................... 3.5V/2mA
The
V
PARAMETER
Reference Voltage (V
SENSE Voltage (LT1766-5)
SENSE Pin Resistance (LT1766-5)
FB Input Bias Current (LT1766)
Consult LTC Marketing for parts specified with wider operating temperature ranges.
2
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
IN
ORDER PART NUMBER
= 15V, V
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
LT1766EFE
LT1766IFE
LT1766HFE
LT1766EFE-5
LT1766IFE-5
EXPOSED PAD (PIN 17) IS GND, MUST BE CONNECTED TO PCB
C
= 1.5V, SHDN = 1V, BOOST open circuit, SW open circuit, unless otherwise noted.
BOOST
REF
IN
GND
GND
SW
V
) ................................................. 60V
W
NC
NC
NC
) (LT1766)
IN
θ
http://www.linear.com/leadfree/
JA
16-LEAD PLASTIC TSSOP
= 45°C/W, θ
1
2
3
4
5
6
7
8
FE PACKAGE
TOP VIEW
W W
17
JC
(PAD) = 10°C/W
U
FE PART MARKING
16
15
14
13
12
11
10
9
GND
SHDN
SYNC
NC
FB/SENSE
V
BIAS
GND
C
1766EFE
1766IFE
1766HFE
1766EFE-5
1766IFE-5
W
CONDITIONS
5.5V ≤ V
V
5.5V ≤ V
V
OL
OL
U
+ 0.2 ≤ V
+ 0.2V ≤ V
IN
IN
≤ 60V
≤ 60V
(LT1766E/LT1766I GRADE)
C
U
C
≤ V
≤ V
OH
OH
– 0.2
– 0.2V
Operating Junction Temperature Range
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ORDER PART NUMBER
LT1766EFE/LT1766EFE-5/LT1766EGN/
LT1766EGN-5 (Note 8,10) ................. – 40°C to 125°C
LT1766IFE/LT1766IFE-5/
LT1766IGN/LT1766IGN-5 (Note 8,10) – 40°C to 125°C
LT1766HGN/LT1766HFE ................... – 40°C to 140°C
LT1766EGN
LT1766IGN
LT1766HGN
LT1766EGN-5
LT1766IGN-5
FOUR CORNER PINS SOLDERED TO GROUND PLANE
BOOST
GND
GND
SW
V
θ
NC
NC
NC
IN
JA
= 85°C/W, θ
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
GN PACKAGE
TOP VIEW
●
●
●
JC
(PIN 8) = 25°C/W
1.204
1.195
MIN
4.94
4.90
9.5
GN PART MARKING
16
15
14
13
12
11
10
9
1.219
GND
SHDN
SYNC
NC
FB/SENSE
V
BIAS
GND
–0.5
13.8
TYP
C
5
1766
1766I
1766H
17665
1766I5
J
1.234
1.243
= 25°C.
MAX
–1.5
5.06
5.10
19
UNITS
1766fb
kΩ
µA
V
V
V
V