LTC1642A Datasheet, PDF (2/16 Pages) Linear Technology – Hot Swap Controller

LTC1642A
ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage (V_CC) .................................– 0.3V to 33V
SENSE Pin ................................... – 0.3V to (V_CC + 0.3V)
ON, FB, OV, COMP ⁺, COMP ^–
RESET, FAULT, COMPOUT .....................– 0.3V to 18.5V
Operating Temperature Range
LTC1642AC ............................................. 0°C to 70°C
LTC1642AI ......................................... – 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
ORDER PART
NUMBER
LTC1642ACGN
LTC1642AIGN
GN PART
MARKING
1642A
1642AI
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.
DC ELECTRICAL CHARACTERISTICS
The ● 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
V_CC
I_CC
V_LKHI
V_LKLO
V_LKHYST
V_FB
∆V_FB
V_FBHST
I_FB(IN)
V_OV
∆V_OV
V_OVHYST
I_OV(IN)
V_RST
∆V_RST
I_RST
V_BRK
∆V_BRK
I_BRK
V_CR
∆V_CR
I_CR
Operating Voltage Range
V_CC Supply Current
V_CC Undervoltage Lockout
V_CC Undervoltage Lockout
V_CC Undervoltage Lockout Hysteresis
FB Pin Voltage Threshold
FB Pin Threshold Supply Variation
FB Pin Voltage Threshold Hysteresis
FB Pin Input Current
OV Pin Voltage Threshold
OV Pin Threshold Supply Variation
OV Pin Voltage Theshold Hysteresis
OV Pin Input Current
RST TMR Pin Voltage Threshold
RST TMR Pin Threshold Supply Variation
RST TMR Pin Current
BRK TMR Pin Voltage Threshold
BRK TMR Pin Threshold Supply Variation
BRK TMR Pin Current
CRWBR Pin Voltage Theshold
CRWBR Pin Threshold Supply Variation
CRWBR Pin Current
● 2.97
16.5
V
ON = V_CC
V_CC Rising
V_CC Falling
●
1.25
3.0
mA
● 2.55 2.73 2.95
V
● 2.35 2.50 2.95
V
230
mV
FB Falling
● 1.208 1.220 1.232
V
FB Falling, 2.97V ≤ V_CC ≤ 16.5V
●
5
15
mV
3
mV
V_OV = 5V
OV Rising
●
0
±1
µA
● 1.208 1.220 1.232
V
OV Rising, 2.97V ≤ V_CC ≤ 16.5V
●
5
15
mV
3
mV
V_FB = 5V
RST TMR Rising
●
0
±1
µA
● 1.200 1.220 1.250
V
RST TMR Rising, 2.97V ≤ V_CC ≤ 16.5V ●
5
15
mV
Timer On
Timer Off, V_RSTTMR = 1.5V
● – 1.5 – 2.0 – 2.5
µA
10
mA
BRK TMR Rising
● 1.200 1.220 1.250
V
BRK TMR Rising, 2.97V ≤ V_CC ≤ 16.5V ●
5
15
mV
Timer On
Timer Off, V_BRKTMR = 1.5V
● – 15 – 20 – 30
µA
10
mA
CRWBR Rising
● 375
410
425
mV
2.97V ≤ V_CC ≤ 16.5V
CRWBR On, V_CRWBR = 0V
CRWBR On, V_CRWBR = 2.1V
CRWBR Off, V_CRWBR = 1.5V
●
4
15
mV
● – 30 – 45 – 60
µA
● –1000 –1500
µA
2.3
mA
1642af
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