Datasheet

LTC3114-1
6
Rev. C
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TYPICAL PERFORMANCE CHARACTERISTICS
Average Output Current vs V
OUT
PROG Regulation Voltage
vs Temperature
Output Voltage Load Regulation
Output Voltage Line Regulation
Combined LDO, PLDO Supply
Current vs V
IN
(T
A
= 25°C unless otherwise specified)
OUTPUT VOLTAGE (V)
0
AVERAGE OUTPUT CURRENT (mA)
320
360
420
400
440
380
340
300
10 20
240
280
160
200
220
260
140
120
180
100
31141 G10
V
IN
= 12V
R
PROG
= 64.7k
TEMPERATURE (°C)
–55
PROG REGULATION VOLTAGE
NORMALIZED TO 1V (%)
–0.50
0
0.50
1.00
125
31141 G11
–1.00
–1.50
–2.00
–0.25
0.25
0.75
–0.75
–1.25
–1.75
–15
25 45
85
105
–35
5
65
145
V
IN
= 12V
LOAD CURRENT (mA)
–0.2
CHANGE IN V
OUT
NORMALIZED TO 100µA (%)
0
0.2
–0.3
–0.1
0.1
0.1 10 100 1000
31141 G12
–0.4
1
V
OUT
= 5V
V
OUT
= 12V
INPUT VOLTAGE (V)
1
–0.1
CHANGE IN V
OUT
NORMALIZED TO V
IN
= 2.7V (%)
0
0.1
0.3
10 40
31141 G13
0.2
V
OUT
= 5V
V
OUT
= 12V
INPUT VOLTAGE (V)
1
6.00
COMBINED LDO, PLDO CURRENT (mA)
6.50
7.00
8.00
10 40
31141 G14
7.50
6.25
6.75
7.75
7.25
V
OUT
= 12V
Combined LDO, PLDO Supply
Current vs LDO
LDO, PLDO VOLTAGE (V)
2.7
3.50
COMBINED LDO, PLDO CURRENT (mA)
4.00
5.00
5.50
6.00
8.50
7.00
3.4
4.1
31141 G15
4.50
7.50
8.00
6.50
4.8
5.5
V
OUT
= 5V
LDO Dropout Voltage
vs Temperature
Oscillator Frequency
vs TemperatureLDO Voltage vs Temperature
TEMPERATURE (°C)
–60
4.400
LDO VOLTAGE (V)
4.410
4.430
4.440
4.450
30 60 90 120
4.490
31141 G16
4.420
–30 0 150
4.460
4.470
4.480
V
IN
= 40V
V
IN
= 5V
TEMPERATURE (°C)
–60
30
LDO DROPOUT VOLTAGE (mV)
50
40
60
30 60 90 120
80
31141 G17
–30 0 150
70
I
LDO
= 5mA
TEMPERATURE (°C)
–60
1.060
OSCILLATOR FREQUENCY (MHz)
1.100
1.080
1.120
30 60 90 120
1.160
31141 G18
–30 0 150
1.140
V
IN
= 3V
V
IN
= 24V
V
IN
= 40V
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