LTC1921IMS8 Linear Technology, LTC1921IMS8 Datasheet - Page 2

• Manufacturer Part Number: LTC1921IMS8
• Description: IC DUAL PWR SUPPLY MONITOR 8MSOP
• Manufacturer: Linear Technology

Specifications of LTC1921IMS8

• Applications: Dual Power Supply Monitor
• Voltage - Supply: 10 V ~ 80 V
• Current - Supply: 160µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Input: -

ABSOLUTE AXI U RATI GS
LTC1921
PACKAGE/ORDER I FOR ATIO
(Note 1) All voltages referred to RTN
Supply Voltage
(V
Transient Voltage (V
(Note 2) ........................................................ 0V to 200V
Transient Voltage (V
(Note 2) ...................................................... 0V to –200V
OUT A, OUT B, OUT F Pins ......................... 0.3V to – 8V
Consult LTC Marketing for parts specified with wider operating temperature ranges.
temperature range, otherwise specifications are at T
FUSE B = –48V, unless otherwise noted.
PARAMETER
Power Supply
Supply Voltage Range (RTN – V
Supply Current (I
Supply Monitor
Undervoltage Threshold
Undervoltage Recovery Threshold
Overvoltage Threshold
Overvoltage Threshold Hysteresis
Fuse Monitor
Input Resistance, FUSE A, FUSE B
Fuse Comparison Threshold |V
Output
Propagation Delay
Output Switch Resistance, OUT F, OUT A, OUT B
2
ELECTRICAL CHARACTERISTICS
A
, V
FUSE A
OUT F
RTN
B
V
, FUSE A, FUSE B) ....................... 100V to –100V
T
A
JMAX
8-LEAD PLASTIC MSOP
1
2
3
4
= 150 C,
MS8 PACKAGE
A
TOP VIEW
+ I
B
)
JA
W
= 300 C/W
A
A
, V
, V
8
7
6
5
FUSEA
V
FUSE B
OUT B
OUT A
A
B
B
B
, RTN – V
, FUSE A, FUSE B)
, FUSE A, FUSE B)
W W
– V
A
|, |V
U
B
)
FUSEB
MS8 PART MARKING
LTC1921CMS8
LTC1921IMS8
– V
ORDER PART
NUMBER
B
W
|
LTZV
LTZU
U
A
CONDITIONS
LTC1921C
LTC1921I
C
V
I
OUT
OUT
A
= 25 C. (Note 5) RTN = 0V, V
= V
= 10mA
= 100pF, Overdrive = 1V
B
The
= –35V, V
U
denotes specifications which apply over the full operating
FUSEA
Maximum Junction Temperature ......................... 150 C
Operating Temperature Range (Note 3)
Specified Temperature Range (Note 4)
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
FUSE A
OUT F
LTC1921C/LTC1921I .......................... – 40 C to 85 C
LTC1921C/LTC1921I .......................... – 40 C to 85 C
RTN
= V
V
A
T
FUSEB
JMAX
1
2
3
4
8-LEAD PLASTIC SO
= 150 C,
S8 PACKAGE
= 0V
TOP VIEW
A
= –48V, V
JA
= 190 C/W
8
7
6
5
B
V
FUSE B
OUT B
OUT A
= –48V, FUSE A = –48V,
B
–39.5
–43.5
–71.5
MIN
0.9
0.5
10
1
S8 PART MARKING
–160
TYP
220
LTC1921CS8
LTC1921IS8
11
25
ORDER PART
NUMBER
1921
1921I
–37.5
–42.5
–68.5
–250
–300
MAX
1.6
4.5
4.5
80
50
UNITS
1921f
M
V
A
A
V
V
V
V
V
V
V
s