236AC1 데이터 시트보기 (PDF) - Linear Technology
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236AC1 Datasheet PDF : 12 Pages
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LT1236
ELECTRICAL CHARACTERISTICS VIN = 15V, IOUT = 0, TA = 25°C, unless otherwise noted.
realized by preconditioning the IC with a 100-200 hour, 125°C burn in.
Long term stability will also be affected by differential stresses between the
IC and the board material created during board assembly. Temperature
cycling and baking of completed boards is often used to reduce these
stresses in critical applications.
Note 7: Hysteresis in output voltage is created by package stress that
differs depending on whether the IC was previously at a higher or lower
temperature. Output voltage is always measured at 25°C, but the IC is
cycled to 50°C or 0°C before successive measurements. Hysteresis is
roughly proportional to the square of temperature change. Hysteresis is
not normally a problem for operational temperature excursions, but can be
significant in critical narrow temperature range applications where the
instrument might be stored at high or low temperatures.
TYPICAL PERFOR A CE CHARACTERISTICS
Ripple Rejection
115
f = 150Hz
110
LT1236-10
105
100
LT1236-5
95
90
85
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
LT1236 G01
Start-Up (Series Mode)
13
12 VIN = 0V TO 12V
11
LT1236-10
10
9
8
7
6
LT1236-5
5
4
3
0 2 4 6 8 10 12 14
TIME (µs)
LT1236 G04
Ripple Rejection
130
VIN = 15V
120 COUT = 0
110
LT1236-10
100
90
80
LT1236-5
70
60
50
10
100
1k
FREQUENCY (Hz)
10k
LT1236 G02
Start-Up (Shunt Mode), LT1236-10
11
LT1236-10
10
9
VOUT + 2V 1k
0V
VOUT
8
OUT
NC IN
GND
7
6
5
0 2 4 6 8 10 12
TIME (µs)
LT1236 G05
Minimum Input/Output
Differential, LT1236-10
1.6
TJ = 125 °C
1.4
1.2 TJ = –55 °C
1.0
TJ = 25 °C
0.8
0.6
0.4
0.2
0
0 2 4 6 8 10 12 14 16 18 20
OUTPUT CURRENT (mA)
LT1236 G03
Output Voltage Noise Spectrum
400
350
300
250
200
150
LT1236-10
100
LT1236-5
50
0
10
100
1k
1M
FREQUENCY (Hz)
LT1236 G06
4
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