Datasheet
LTC2928
2
2928f
Supply Voltages
HV
CC
...................................................... –0.3V to 18V
V
CC
........................................................ –0.3V to 6.5V
Input Voltages
V1, V2, V3, V4 ....................................... –0.3V to 12V
MS1, MS2, RDIS .................................. –0.3V to 6.5V
SQT1, SQT2, VSEL ............................... –0.3V to 6.5V
RT1, RT2, RT3, RT4 .............................. –0.3V to 6.5V
ON, OVA .........................................–0.3 to V
CC
+ 0.3V
STMR, PTMR, RTMR ..................... –0.3 to V
CC
+ 0.3V
Output Voltages
EN1, EN2, EN3, EN4 (Note 3) ................. –0.3V to 12V
CMP1, CMP2, CMP3, CMP4 ................. –0.3V to 6.5V
(Note 1, 2)
ABSOLUTE
AXI U RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
TOP VIEW
G PACKAGE
36-LEAD PLASTIC SSOP
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
CMP1
CMP2
EN2
V2
OVA
EN1
V1
REF
RT1
RT2
RT3
RT4
SQT1
SQT2
MS1
MS2
RDIS
CAS
CMP4
CMP3
V3
EN3
V4
EN4
RTMR
PTMR
STMR
VSEL
GND
HV
CC
V
CC
RST
OV
FLT
DONE
ON
T
JMAX
= 125°C, θ
JA
= 95°C/W
13 14 15 16
TOP VIEW
39
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
17 18 19
38 37 36 35 34 33 32
24
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1OVA
EN1
V1
N/C
REF
RT1
RT2
RT3
RT4
SQT1
SQT2
MS1
EN3
V4
EN4
RTMR
PTMR
STMR
VSEL
GND
HV
CC
V
CC
RST
OV
V2
EN2
CMP2
CMP1
CMP4
CMP3
V3
MS2
RDIS
CAS
ON
N/C
DONE
FLT
23
22
21
20
9
10
11
12
T
JMAX
= 125°C, θ
JA
= 34°C/W
EXPOSED PAD (PIN 39) PCB GND CONNECTION OPTIONAL
ORDER PART NUMBER G PART MARKING ORDER PART NUMBER UHF PART MARKING
LTC2928CG
LTC2928IG
LTC2928CG
LTC2928IG
LTC2928CUHF
LTC2928IUHF
LTC2928CUHF
LTC2928IUHF
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
F LT , RST, OV, CAS ................................ –0.3V to 6.5V
DONE, REF ................................... –0.3V to V
CC
+ 0.3V
RMS Currents
IV
CC
.................................................................±10mA
IHV
CC
...............................................................±20mA
I
REF
..................................................................±10mA
Operating Ambient Temperature Range
LTC2928C ................................................ 0°C to 70°C
LTC2928I ............................................. –40°C to 85°C
Storage Temperature Range
SSOP Package ................................... –65°C to 150°C
QFN Package ...................................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
SSOP Package .................................................. 300°C