Datasheet

2
LTC4210-1/LTC4210-2
421012f
(Note 1)
Supply Voltage (V
CC
) ............................................... 17V
Input Voltage (SENSE, TIMER) .. –0.3V to (V
CC
+ 0.3V)
Input Voltage (ON)..................................... –0.3V to 17V
Output Voltage (GATE) ........ Internally Limited (Note 3)
Operating Temperature Range
LTC4210-1C/LTC4210-2C ....................... 0°C to 70°C
LTC4210-1I/LTC4210-2I .................... –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
ORDER PART
NUMBER
LTC4210-1CS6
LTC4210-2CS6
LTC4210-1IS6
LTC4210-2IS6
T
JMAX
= 125°C, θ
JA
= 230°C/ W
TIMER 1
GND 2
ON 3
6 V
CC
5 SENSE
4 GATE
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
S6 PART MARKING
LTYW
LTYX
LTF5
LTF6
Consult LTC Marketing for parts specified with wider operating temperature ranges.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply Voltage ● 2.7 16.5 V
I
CC
V
CC
Supply Current ● 0.65 3.5 mA
V
LKOR
V
CC
Undervoltage Lockout Release V
CC
Rising ● 2.2 2.5 2.65 V
V
LKOHYST
V
CC
Undervoltage Lockout Hysteresis 100 mV
I
INON
ON Pin Input Current ● –10 0 10 µA
I
INSENSE
SENSE Pin Input Current V
SENSE
= V
CC
● –10 5 10 µA
V
CB
Circuit Breaker Trip Voltage V
CB
= (V
CC
– V
SENSE
) ● 44 50 56 mV
I
GATEUP
GATE Pin Pull-Up Current V
GATE
= 0V ● –5 –10 –15 µA
I
GATEDN
GATE Pin Pull-Down Current V
TIMER
= 1.5V, V
GATE
= 3V or 25 mA
V
ON
= 0V, V
GATE
= 3V or
V
CC
– V
SENSE
= 100mV, V
GATE
= 3V
∆V
GATE
External N-Channel Gate Drive V
GATE
– V
CC
, V
CC
= 2.7V ● 4.0 6.5 8 V
V
GATE
– V
CC
, V
CC
= 3V ● 4.5 7.5 10 V
V
GATE
– V
CC
, V
CC
= 3.3V ● 5.0 8.5 12 V
V
GATE
– V
CC
, V
CC
= 5V ● 10 12 16 V
V
GATE
– V
CC
, V
CC
= 12V ● 9.0 12 16 V
V
GATE
– V
CC
, V
CC
= 15V ● 6.0 11 18 V
I
TIMERUP
TIMER Pin Pull-Up Current Initial Cycle, V
TIMER
= 1V ● –2 –5 –8.5 µA
During Current Fault Condition, V
TIMER
= 1V ● –25 –60 –100 µA
I
TIMERDN
TIMER Pin Pull-Down Current After Current Fault Disappears, V
TIMER
= 1V ● 2 3.5 µA
Under Normal Conditions, V
TIMER
= 1V 100 µA
V
TIMER
TIMER Pin Threshold High Threshold, TIMER Rising ● 1.22 1.3 1.38 V
Low Threshold, TIMER Falling
● 0.15 0.2 0.25 V
V
TMRHYST
TIMER Low Threshold Hysteresis 100 mV
V
ON
ON Pin Threshold ON Threshold, ON Rising ● 1.22 1.3 1.38 V
V
ONHYST
ON Pin Threshold Hysteresis 80 mV
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are T
A
= 25°C. V
CC
= 5V, unless otherwise noted. (Note 2)
ELECTRICAL CHARACTERISTICS