LTC1642 Datasheet, PDF (2/12 Pages) Linear Technology – Hot Swap Controller

LTC1642
ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage (V_CC) .................................– 0.3V to 33V
SENSE Pin ................................... – 0.3V to (V_CC + 0.3V)
GATE Pin ...................................................– 0.3V to 27V
All Other Pins ..........................................– 0.3V to 16.5V
Operating Temperature Range
LTC1642C ............................................... 0°C to 70°C
LTC1642I ............................................ – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
CRWBR 1
BRK TMR 2
RST TMR 3
ON 4
RESET 5
FAULT 6
FB 7
GND 8
16 V_CC
15 SENSE
14 GATE
13 REF
12 COMP^–
11 COMP⁺
10 COMPOUT
9 OV
GN PACKAGE
16-LEAD PLASTIC SSOP
T_JMAX = 150°C, θ_JA = 130°C/W
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1642CGN
LTC1642IGN
DC ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T_A = 25°C.
V_CC = 5V unless otherwise specified.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
I_CC
V_LKHI
V_LKLO
V_LKHYST
V_CC
V_FB
∆V_FB
V_FBHST
V_OV
∆V_OV
V_OVHYST
V_RST
∆V_RST
I_RST
V_BRK
∆V_BRK
I_BRK
V_CR
∆V_CR
I_CR
V_CC Supply Current
V_CC Undervoltage Lockout (Low to High)
V_CC Undervoltage Lockout (High to Low)
V_CC Undervoltage Lockout Hysteresis
Operating Voltage Range
ON = V_CC
FB Pin Voltage Threshold (FB Falling)
FB Pin Threshold Line Regulation
FB Pin Voltage Threshold Hysteresis
2.97V ≤ V_CC ≤ 16.5V
OV Pin Voltage Threshold (OV Rising)
OV Pin Threshold Line Regulation
OV Pin Voltage Theshold Hysteresis
2.97V ≤ V_CC ≤ 16.5V
RST TMR Pin Voltage Threshold (RST TMR Rising)
RST TMR Pin Threshold Line Regulation
RST TMR Pin Current
BRK TMR Pin Voltage Threshold (BRK TMR Rising)
2.97V ≤ V_CC ≤ 16.5V
Timer On
Timer Off, V_RSTTMR = 1.5V
BRK TMR Pin Threshold Line Regulation
BRK TMR Pin Current
CRWBR Pin Voltage Theshold
2.97V ≤ V_CC ≤ 16.5V
Timer On
Timer Off, V_BRKTMR = 1.5V
CRWBR Pin Threshold Line Regulation
CRWBR Pin Current
2.97V ≤ V_CC ≤ 16.5V
CRWBR On, V_CRWBR = 0V
CRWBR On, V_CRWBR = 2.1V
CRWBR Off, V_CRWBR = 1.5V
q
1.25
3.0
mA
q 2.55 2.73 2.95
V
q 2.35 2.50 2.80
V
230
mV
2.97
16.5
V
q 1.208 1.220 1.232
V
q
5
15
mV
3
mV
q 1.208 1.220 1.232
V
q
5
15
mV
3
mV
q 1.200 1.220 1.250
V
q
5
15
mV
q – 2.5 –2.0 –1.5
µA
10
mA
q 1.200 1.220 1.250
V
q
5
15
mV
q – 30 –20 –15
µA
10
mA
q 375 410 425
mV
q
4
15
mV
q – 60 – 45 – 30
µA
q
–1500 –1000
µA
2.3
mA
2