Datasheet
3
LTC4210-1/LTC4210-2
421012f
–75
SUPPLY CURRENT (mA)
150
–25–50
0 25 50 75 100 125
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
TEMPERATURE (°C)
–75
UNDERVOLTAGE LOCKOUT THRESHOLD (V)
150
–25–50
0 25 50 75 100 125
2.65
2.60
2.55
2.50
2.45
2.40
2.35
2.30
2.25
TEMPERATURE (°C)
–75
V
GATE
(V)
150
–25–50
0 25 50 75 100 125
40
35
30
25
20
15
10
5
0
TEMPERATURE (°C)
4210 G01 4210 G02 4210 G03
4210 G04 4210 G05 4210 G06
SUPPLY VOLTAGE (V)
0
SUPPLY CURRENT (mA)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
16
42 6 10 14 18
8
12
20
T
A
= 25°C
SUPPLY VOLTAGE (V)
0
V
GATE
(V)
40
35
30
25
20
15
10
5
0
16
42 6 10 14 18
8
12
20
T
A
= 25°C
SUPPLY VOLTAGE (V)
0
I
GATEUP
(µA)
–8.0
–8.5
–9.0
–9.5
–10.0
–10.5
–11.0
–11.5
–12.0
16
42 6 10 14 18
8
12
20
T
A
= 25°C
V
CC
= 15V
V
CC
RISING
V
CC
FALLING
V
CC
= 12V
V
CC
= 5V
V
CC
= 3V
V
CC
= 15V
V
CC
= 12V
V
CC
= 5V
V
CC
= 3V
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
t
OFF(TMRHIGH)
Turn-Off Time (TIMER Rise to GATE Fall) V
TIMER
= 0V to 2V Step, V
CC
= V
ON
= 5V 1 µs
t
OFF(ONLOW)
Turn-Off Time (ON Fall to GATE Fall) V
ON
= 5V to 0V Step, V
CC
= 5V 30 µs
t
OFF(VCCLOW)
Turn-Off Time (V
CC
Fall to IC Reset) V
CC
= 5V to 2V Step, V
ON
= 5V 30 µs
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
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to ground unless otherwise
specified.
Note 3: An internal Zener on the GATE pin clamps the charge pump
voltage to a typical maximum voltage of 26V. External overdrive of the
GATE pin beyond the internal Zener voltage may damage the device.
Without a limiting resistor, the GATE capacitance must be <0.15µF at
maximum V
CC
. If a lower GATE pin clamp voltage is desired, an external
Zener diode may be used.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Supply Current vs Supply Voltage Supply Current vs Temperature
Undervoltage Lockout Threshold
vs Temperature
V
GATE
vs Supply Voltage V
GATE
vs Temperature
I
GATEUP
vs Supply Voltage