ltc3445euf-pbf Linear Technology Corporation, ltc3445euf-pbf Datasheet - Page 7

• Manufacturer Part Number: ltc3445euf-pbf
• Description: I2c Controllable Buck Regulator With Two Ldos In A 4mm ? 4mm Qfn
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR A CE CHARACTERISTICS
0.604
0.602
0.600
0.598
0.596
0.594
0.592
0.590
0.498
–50
LDO Reference Voltage
vs Temperature
–25
0
2.590
2.588
2.586
2.580
2.584
2.582
2.578
2.576
2.574
TEMPERATURE (°C)
200
160
120
40
80
25
0
0mA
0
0
LDO Dropout Voltage
vs Load Current
LDO Output Voltage
vs Load Current
50
10
10
75
–50°C
25°C
150°C
20
LOAD CURRENT (mA)
LOAD CURRENT (mA)
W
100 125
30
20
3445 G22
U
40
V
CC2
150
30
50
= 3.6V
V
CC2
60
40
0.604
0.608
0.606
0.602
0.600
0.598
0.596
= 5.5V
70
3445 G25
3445 G28
0
LDO Reference Voltage
vs Load Current
50
80
10
20
LOAD CURRENT (mA)
30
V
CC2
40
= 5.5V
20mV/DIV
20mA/DIV
50
CURRENT
OUTPUT
LOAD
1.204
1.202
1.200
1.198
1.196
1.194
V
LDO
60
CC2
LDO Load Step (10mA to 40mA)
= 2.5V
0
LDO Output Voltage
vs Load Current
70
3445 G23
80
10
LOAD CURRENT (mA)
20
1.201
1.200
1.198
1.197
1.196
1.194
1.202
1.199
1.195
V
V
40µs/DIV
CC2
CC2
2.5
30
= 5.5V
= 2.5V
LDO Output Voltage vs V
40
3.1
50
3445 G29
3.7
3445 G26
V
10mA
50mA
CC2
60
LTC3445
(V)
4.3
CC2
4.9
3445 G24
3445fa
7
5.5