Datasheet

LTC4413-1/LTC4413-2
6
441312fd
TYPICAL PERFORMANCE CHARACTERISTICS
Effi ciency vs Load Current Power Loss vs Load Current
Overvoltage Thresholds
vs Temperature (LTC4413-2 Only)
Overvoltage Hysteresis
vs Temperature (LTC4413-2 Only)
OVI Current vs Voltage
(LTC4413-2 Only)
OVI-OVP Voltage Drop
vs OVI Voltage (LTC4413-2 Only)
I
Q
OVI vs Temperature
(LTC4413-2 Only)
OVI-OVP vs Temperature
(LTC4413-2 Only)
ENB Turn-Off, 2μs to Disconnect
IN from 180mA Load
CH1 IN 1V/DIV
CH3 ENB
1V/DIV
4μs/DIV
441312 G19
CH2 OUT
1V/DIV
CH4 I
IN
100mV/DIV
LOAD (mA)
93
EFFICIENCY (%)
99
100
92
91
98
95
97
96
94
1 100 1000 10000
441312 G20
90
10
120°C
80°C
40°C
0°C
–40°C
LOAD (mA)
1
0
POWER LOSS (mW)
10
1000
100 10 1000 1000
0
441312 G21
1
100
120°C
80°C
40°C
0°C
–40°C
TEMPERATURE (°C)
–40
5.8
6.0
6.4
80
441312 G22
5.6
5.4
0 40 120
5.2
5.0
6.2
OVPIH/OVPIL (V)
OVP RISING
OVP FALLING
TEMPERATURE (°C)
–40
OVP HYSTERESIS (mV)
200
250
300
120
441312 G23
150
100
0
0
40
80
50
400
350
V
OVI
(V)
0
80
100
140
610
441312 G24
60
40
24
812
20
0
120
I
OVI
(μA)
T
A
= 25°C
OVI (V)
0
3
4
6
610
441312 G25
2
1
24
812
0
5
OVP (V)
T
A
= 25°C
TEMPERATURE (°C)
–40
I
Q
OVI (μA)
100
120
140
120
441312 G26
80
60
0
0
40
80
40
20
180
160
I
Q
OVI = 13V
I
Q
OVI = 6.5V
TEMPERATURE (°C)
–40
OVI-OVP (mV)
80
120
120
441312 G27
40
0
0
40
80
–20
20
60
100
160
60
100
20
140
V
OHOVP
= 13V
V
OHOVP
= 6.5V