LTC3700EMS View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC3700EMS Datasheet PDF : 16 Pages
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LTC3700
TYPICAL PERFOR A CE CHARACTERISTICS
LDO REGULATOR
VFB2 Voltage vs Temperature
850
840
VIN2 = 4.2V
LDO = VFB2
830
820
810 ILOAD = 10µA
ILOAD = 1mA
800
790
ILOAD = 10mA
780
ILOAD = 100mA
770
760
750
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
3700 G06
LDO Line Regulation (VFB2
Voltage vs Supply)
850
840
TA = 25°C
LDO = VFB2
830
820
810 ILOAD = 10µA
ILOAD = 1mA
800
790
ILOAD = 10mA
780
ILOAD = 100mA
770
760
750
2.4 2.85 3.3 3.75 4.2 4.65 5.1 5.55 6
VIN2 INPUT VOLTAGE (V)
3700 G07
LDO Pass FET RON vs Input
Voltage
4.0
3.7
VIN = 0
ILDO = 100mA
3.4
TA = 25°C
3.1
2.8
2.5
2.2
1.9
1.6
1.3
1.0
2 2.5 3 3.5 4 4.5 5 5.5 6
VIN2 INPUT VOLTAGE (V)
3700 G08
PGOOD RON vs Input Voltage
300
270
VIN2 = 0V
VPGOOD = 100mV
240
TA = 25°C
210
180
150
120
90
60
30
0
2 3 4 5 6 7 8 9 10
VIN INPUT VOLTAGE (V)
3700 G09
LDO Supply Current
vs Input Voltage
120
LDO = VFB2
110 ILDO = 10µA
100 TA = 25°C
VIN = 0V
90
80
70
60
VIN = 9.8V
50
40
30
20
2 2.5 3 3.5 4 4.5 5 5.5 6
VIN2 INPUT VOLTAGE (V)
3700 G11
Load Transient Response
150
ILDO (mA) 100
50mA/DIV 50
0
∆VLDO 0
20mV/DIV
AC COUPLED
TA = 25°C
VIN2 = 3.3V
VLDO = 2.5V
CLDO = 10µF
20µs/DIV
3700 G12
3700f
5
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