LTC2978A View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC2978A
Linear Technology
'LTC2978A' PDF : 82 Pages View PDF
Typical Performance Characteristics
LTC2978A
VDD33 Regulator Output Voltage
vs Temperature
3.275
3.270
3.265
3.260
3.255
3.250
3.245
3.240
3.235
–50 –35 –20 –5 10 25 40 55 70 85 100
TEMPERATURE (°C)
2978a G25
Supply Current vs Supply Voltage
10.5 VPWR = VDD33
10.4
10.3
10.2
10.1
10.0
9.9
9.8
3
3.1 3.2 3.3 3.4 3.5 3.6
VDD33 (V)
2978a G28
VDD33 Regulator Line Regulation
400
300
85°C
200
25°C
100
–40°C
0
–100
–200
–300
–400
–500
4.5 6 7.5 9 10.5 12 13.5 15
VPWR (V)
2978a G26
Supply Current vs Temperature
10.16 VPWR = 12V
10.14
10.12
10.10
10.08
10.06
10.04
10.02
–50 –35 –20 –5 10 25 40 55 70 85 100
TEMPERATURE (°C)
2978a G29
VDD33 Regulator Short-Circuit
Current vs Temperature
–86
–88
–90
–92
–94
–96
–98
–100
–102
–50 –35 –20 –5 10 25 40 55 70 85 100
TEMPERATURE (°C)
2978a G27
VOUT_EN[3:0] and VIN_EN Output
High Voltage vs Load Current
14.0
13.5
85°C
13.0
25°C
12.5
–40°C
12.0
11.5
11.0
10.5
10.0
9.5
0
1234567
CURRENT SOURCING (µA)
2978a G30
For more information www.linear.com/LTC2978A
2978af
13
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