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LT1964 Datasheet(PDF) 5 Page - Linear Technology

Part # LT1964
Description  Low Dropout Negative Micropower Regulator in ThinSOT
Download  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1964 Datasheet(HTML) 5 Page - Linear Technology

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LT1964
5
1964f
TYPICAL PERFOR A CE CHARACTERISTICS
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
1964 G10
0
–1 –2 –3 –4 –5 –6 –7 –8 –9 –10
RL = 12.2Ω
IL = –100mA*
RL = 24.4Ω
IL = –50mA*
RL = 122Ω
IL = –10mA*
TJ = 25°C; VSHDN = VIN; *FOR VOUT = –1.22V
RL = 6.1Ω
IL = –200mA*
INPUT VOLTAGE (V)
–4.0
–3.5
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
1964 G11
0
–40
–80
–120
–160
–200
VIN = VOUT(NOMINAL) – 1V
TJ = –50°C
TJ = 25°C
TJ = 125°C
OUTPUT CURRENT (mA)
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
1964 G12
ON
ON
OFF
TEMPERATURE (
°C)
–50
–25
0
25
50
75
100
125
10
8
6
4
2
0
–2
–4
–6
–8
–10
1964 G13
SHDN PIN VOLTAGE (V)
–10 –8 –6 –4 –2
0
2
4
6
810
TJ = 25°C
POSITIVE CURRENT
FLOWS INTO THE PIN
12
9
6
3
0
–3
–6
–9
1964 G14
TEMPERATURE (
°C)
–50
–25
0
25
50
75
100
125
VSHDN = 15V
VSHDN = –15V
VIN = –15V
POSITIVE CURRENT
FLOWS INTO THE PIN
–70
–60
–50
–40
–30
–20
–10
0
1964 G15
TEMPERATURE (
°C)
–50
–25
0
25
50
75
100
125
INPUT/OUTPUT DIFFERENTIAL (V)
0
–600
–500
–400
–300
–200
–100
0
1964 G16
–4
–8
–12
–16
–20
∆VOUT = 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
LT1964-BYP, LT1964-SD
GND Pin Current
GND Pin Current vs ILOAD
SHDN Pin Thresholds
SHDN Pin Input Current
SHDN Pin Input Current
ADJ Pin Bias Current
Current Limit
Current Limit
Input Ripple Rejection


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