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LT1964 Datasheet(PDF) 7 Page - Linear Technology

Part # LT1964
Description  200mA, Low Noise, Low Dropout Negative Micropower Regulator
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1964 Datasheet(HTML) 7 Page - Linear Technology

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LT1964
7
1964fb
Input Ripple Rejection
LT1964-BYP
Minimum Input Voltage
LT1964, LT1964-SD
Minimum Input Voltage
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
Current Limit
Current Limit
Input Ripple Rejection
INPUT/OUTPUT DIFFERENTIAL (V)
0
–600
–500
–400
–300
–200
–100
0
1964 G16
–4
–8
–12
–16
–20
ΔVOUT = 100mV
TEMPERATURE (°C)
–600
–500
–400
–300
–200
–100
0
1964 G17
–50
–25
0
25
50
75
100
125
VIN = –7V
VOUT = 0V
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
80
70
60
50
40
30
20
10
0
1964 G18
IL = –200mA
VIN = VOUT(NOMINAL) – 1V +
50mVRMS RIPPLE
CBYP = 0
COUT = 10μF
COUT = 1μF
TYPICAL PERFORMANCE CHARACTERISTICS



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