LTC3770EUH#TR Linear Technology, LTC3770EUH#TR Datasheet - Page 2

• Manufacturer Part Number: LTC3770EUH#TR
• Manufacturer: Linear Technology

Specifications of LTC3770EUH#TR

• Lead Free Status / RoHS Status: Not Compliant

ABSOLUTE MAXIMUM RATINGS
LTC3770
(Note 1)
Input Supply Voltage (V
Boosted Topside Driver Supply Voltage
SENSE
DRV
V
PLLFLTR, I
TRACK/SS, FCB, Z0, Z1, Z2, RUN, PLLIN, MARGIN0,
MARGIN1 Voltages ....................INTV
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
LTC3770EG#PBF
LTC3770EUH#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
2
ON
BOOST ................................................... 38V to –0.3V
, V
CC
RNG
+
, (BOOST – SW) Voltages .................. 7V to –0.3V
, SW Voltage ..................................... 32V to –5V
, PGOOD Voltages .....INTV
TH
, V
TRACK/SS
MARGIN1
MARGIN0
V
PGOOD
FB
REFOUT
MPGM
V
SGND
V
REFIN
RUN
V
RNG
, V
V
I
I
ON
ON
TH
FB
T
REFIN
JMAX
28-LEAD PLASTIC SSOP
TAPE AND REEL
LTC3770EG#TRPBF
LTC3770EUH#TRPBF
10
11
12
13
14
1
2
3
4
5
6
7
8
9
IN
= 125°C, θ
G PACKAGE
, V
TOP VIEW
Voltages .......... 2.7V to –0.3V
INSNS
JA
= 130°C/W
) ............ 32V to –0.3V
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CC
CC
FCB
Z0
BOOST
TG
SW
PGND
BG
INTV
Z2
Z1
ZV
V
PLLIN
PLLFLTR
IN
IN
+ 0.3V to –0.3V
+ 0.3V to –0.3V
CC
http://www.linear.com/leadfree/
PART MARKING
LTC3770EG
3770
http://www.linear.com/tapeandreel/
INTV
TG, BG, INTV
TG, BG, INTV
Operating Ambient Temperature
Range (Note 4) .........................................–40°C to 85°C
Junction Temperature (Note 2) ............................. 125°C
Storage Temperature Range ...................–65°C to 125°C
QFN Refl ow Peak Body Temperature ..................... 245°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
PACKAGE DESCRIPTION
28-Lead Plastic SSOP
32-Lead (5mm × 5mm) Plastic QFN
CC
MARGIN1
MARGIN0
, ZV
V
SGND
V
REFIN
RNG
V
I
I
IN
ON
TH
FB
CC
CC
Voltages .................................. 7V to –0.3V
1
2
3
4
5
6
7
8
32-LEAD (5mm 5mm) PLASTIC QFN
Peak Currents ....................................4A
RMS Currents ...............................50mA
32 31 30 29 28 27 26 25
9 10 11 12
MUST BE SOLDERED TO THE PCB
EXPOSED PAD IS SGND (PIN 33)
T
JMAX
= 125°C, θ
UH PACKAGE
TOP VIEW
33
13
JA
= 34°C/W
14 15 16
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
24
23
22
21
20
19
18
17
SENSE
SENSE
PGND
BG
DRV
INTV
Z2
Z1
CC
CC
+
–
3770fc