LTC6652(RevD) 데이터 시트보기 (PDF) - Linear Technology
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LTC6652 Datasheet PDF : 20 Pages
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LTC6652
Typical Performance Characteristics Characteristic curves are similar for most
LTC6652s. Curves from the LTC6652-1.25, LTC6652-2.5 and the LTC6652-5 represent the extremes and typical of the voltage options.
Characteristic curves for other output voltages fall between these curves and can be estimated based on their output.
1.25V Output Voltage
Temperature Drift
1.2510
3 TYPICAL PARTS
1.2505
1.2500
1.2495
1.25V Line Regulation
1.2506
1.2504
1.2502
125°C
1.2500
1.2498
1.2496
25°C
–40°C
1.25V Load Regulation (Sourcing)
0
–40°C
–50
–100
–150
25°C
125°C
–200
1.2490
–80 –40 0
40 80 120 160
TEMPERATURE (°C)
6652 G17
1.2494
02
4 6 8 10
INPUT VOLTAGE (V)
12 14
6652 G18
–250
0.1
1
OUTPUT CURRENT (mA)
10
6652 G19
1.25V Load Regulation (Sinking)
400
350
125°C
300
250
200
25°C
150
100
–40°C
50
0
0.1
1
OUTPUT CURRENT (mA)
10
6652 G20
1.25 Sinking Current Without
Output Capacitor
1.25V Low Frequency 0.1Hz to
10Hz Transient Noise
TIME (1 SECOND/DIV)
6652 G21
1.25 Sinking Current with Output
Capacitor
1mA
IOUT
0mA
1mA
IOUT
0mA
1.25V Output Voltage Noise
Spectrum
400
300
200
100
0
0.01
0.1
1
FREQUENCY (kHz)
10
6652 G22
1.25V Stability with Output
Capacitance
10µF
1µF
0.1µF
VOUT
500mV/DIV
COUT = 0µF
500µs/DIV
VOUT
500mV/DIV
6652 G23
COUT = 1µF
500µs/DIV
6652 G24
10nF
1nF
100pF
REGION OF
MARGINAL
STABILITY
NO CAP
–5
–1 0
5
LOAD CURRENT (mA)
6652 G16
6652fd
5
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