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LT1963A Datasheet(PDF) 6 Page - Linear Technology

Part # LT1963A
Description  Low Dropout Negative Micropower Regulator in ThinSOT
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1963A Datasheet(HTML) 6 Page - Linear Technology

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LT1964
6
1964f
TEMPERATURE (
°C)
60
58
56
54
52
50
48
46
44
1964 G19
VIN = VOUT(NOMINAL) – 1V +
0.5VP-P RIPPLE AT f = 120Hz
IL = –200mA
–50
–25
0
25
50
75
100
125
TEMPERATURE (
°C)
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
1964 G20
NOTE: THE MINIMUM INPUT VOLTAGE
ACCOUNTS FOR THE OPERATING
THRESHOLD OF THE SHDN PIN WHICH
IS TIED TO THE IN PIN INTERNALLY
IL = –200mA
IL = –1mA
–50
–25
0
25
50
75
100
125
TEMPERATURE (
°C)
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
1964 G21
IL = –200mA
IL = –1mA
–50
–25
0
25
50
75
100
125
NOTE: THE SHDN PIN THRESHOLD
MUST BE MET TO ENSURE
DEVICE OPERATION
TEMPERATURE (
°C)
30
25
20
15
10
5
0
1964 G22
LT1964-5
LT1964-BYP, LT1964-SD
IL = –1mA TO –200mA
–50
–25
0
25
50
75
100
125
FREQUENCY (Hz)
0.1
1
10
1k
10k
100k
1964 G23
0.01
100
10
COUT = 10µF
IL = 200mA
CBYP = 1000pF CBYP = 100pF
CBYP = 0
LT1964-5
LT1964-BYP
CBYP = 0.01µF
CBYP (pF)
10
140
120
100
80
60
40
20
0
100
1k
10k
1964 G24
COUT = 10µF
IL = –200mA
f = 10Hz TO 100kHz
LT1964-BYP
LT1964-5
140
120
100
80
60
40
20
0
LOAD CURRENT (mA)
–0.01
1964 G25
COUT = 10µF
CBYP = 0.01µF
LT1964-5
LT1964-BYP
LT1964-5
LT1964-BYP,
LT1964-SD
CBYP = 0
–1
–10
–1k
–0.1
–100
TYPICAL PERFOR A CE CHARACTERISTICS
Input Ripple Rejection
LT1964-BYP
Minimum Input Voltage
LT1964-SD
Minimum Input Voltage
Load Regulation
Output Noise Spectral Density
RMS Output Noise vs Bypass
Capacitor
RMS Output Noise vs Load
Current
LT1964-5, 10Hz to 100kHz Output
Noise, CBYP = 0
LT1964-5, 10Hz to 100kHz Output
Noise, CBYP = 100pF
COUT = 10µF
1ms/DIV
1964 G26 t f
ILOAD = –200mA
COUT = 10µF
1ms/DIV
1964 G27 tif
ILOAD = –200mA



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