LT1964ES5-SD Ver la hoja de datos (PDF) - Linear Technology
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LT1964ES5-SD Datasheet PDF : 12 Pages
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LT1964
TYPICAL PERFOR A CE CHARACTERISTICS
LT1964-BYP, LT1964-SD
GND Pin Current
–3.0
TJ = 25°C; VSHDN = VIN; *FOR VOUT = –1.22V
–2.5
RL = 6.1Ω
IL = –200mA*
–2.0
RL = 12.2Ω
–1.5
IL = –100mA*
RL = 24.4Ω
–1.0
IL = –50mA*
RL = 122Ω
–0.5
IL = –10mA*
0
0 –1 –2 –3 –4 –5 –6 –7 –8 –9 –10
INPUT VOLTAGE (V)
1964 G10
SHDN Pin Input Current
10
8 TJ = 25°C
POSITIVE CURRENT
6 FLOWS INTO THE PIN
4
2
0
–2
–4
–6
–8
–10
–10 –8 –6 –4 –2 0 2 4 6
SHDN PIN VOLTAGE (V)
8 10
1964 G13
Current Limit
–600
–500
∆VOUT = 100mV
–400
–300
–200
–100
0
0
–4
–8 –12 –16 –20
INPUT/OUTPUT DIFFERENTIAL (V)
1964 G16
GND Pin Current vs ILOAD
–4.0
VIN = VOUT(NOMINAL) – 1V
–3.5
–3.0
TJ = –50°C
–2.5
TJ = 25°C
–2.0
TJ = 125°C
–1.5
–1.0
–0.5
0
0
–40 –80 –120 –160 –200
OUTPUT CURRENT (mA)
1964 G11
SHDN Pin Input Current
12
VIN = –15V
9
POSITIVE CURRENT
FLOWS INTO THE PIN
6
VSHDN = 15V
3
0
VSHDN = –15V
–3
–6
–9
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1964 G14
Current Limit
–600
–500
VIN = –7V
VOUT = 0V
–400
–300
–200
–100
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1964 G17
SHDN Pin Thresholds
2.5
2.0
ON
1.5
1.0
0.5
0
OFF
–0.5
–1.0
–1.5
ON
–2.0
–2.5
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1964 G12
ADJ Pin Bias Current
–70
–60
–50
–40
–30
–20
–10
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1964 G15
Input Ripple Rejection
80
IL = –200mA
70 VIN = VOUT(NOMINAL) – 1V +
50mVRMS RIPPLE
60 CBYP = 0
50
40
COUT = 10µF
30
20
10
0
10
COUT = 1µF
100
1k
10k 100k 1M
FREQUENCY (Hz)
1964 G18
1964f
5
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