LT1020_15 Datasheet, PDF (4/16 Pages) Linear Technology – Micropower Regulator and Comparator

LT1020
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_J = 25°C.
PARAMETER
CONDITIONS
MIN
TYP
MAX
Comparator
Offset Current
Gain-NPN Pull-Down
Common Mode Rejection
Power Supply Rejection
Output Sink Current
0V ≤ V_CM ≤ 35V, V_IN = 36V
∆V_OUT = 29V, R_L = 20k
0V ≤ V_CM ≤ 35V, V_IN = 36V
4.5V ≤ V_IN ≤ 36V
V_IN = 4.5V (Note 3)
q
20
q
1000
q
80
q
80
q
5
10
Output Source Current
q
40
120
Input Voltage Range
Leakage Current (NPN)
V_IN = 36V
q
0
q
V_IN – 1
8
UNITS
nA
V/ V
dB
dB
mA
µA
V
µA
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: For 0V ≤ V_CM ≤ 0.1V and T > 85°C I_BIAS(MAX) is 100nA.
Note 3: For T_A ≤ – 40°C output I_SINK(MIN) is 2.5mA.
TYPICAL PERFOR A CE CHARACTERISTICS
Regulator Load Regulation
0.3 _{PRELOAD = 100µA}
0.2
T_J = –55°C
0.1
T_J = 25°C
0
T_J = 125°C
–0.1
–0.2
–0.3
0.1
1
10
100
OUTPUT CURRENT (mA)
1000
1020 G01
Dropout Voltage
1
∆V_OUT = 100mV
Supply Current
100 _{TJ = –55°C TO 125°C}
10
1
0.1
0.01
0.1
1
10
100
1000
REGULATOR OUTPUT CURRENT (mA)
1020 G02
Dropout Voltage
1
DROPOUT DETECTOR = 5µA
0.1
0.1
Regulator Short-Circuit Current
350
300
250
200
150
100
50
CURRENT LIMIT TIED TO GROUND
0
–50
–10
30
70
110 150
TEMPERATURE (°C)
1020 G03
Dropout Voltage
1
I DROPOUT DETECTOR = 0.1% I_OUT
0.1
I DROPOUT DETECTOR = 1% I_OUT
0.01
0.1
1
10
100
1000
REGULATOR OUTPUT CURRENT (mA)
1020 G04
4
0.01
0.1
1
10
100
1000
REGULATOR OUTPUT CURRENT (mA)
1020 G05
0.01
0.1
1
10
100
REGULATOR OUTPUT CURRENT (mA)
1020 G06
sn1020 1020fcs