LT1120 Linear Technology, LT1120 Datasheet - Page 4

• Manufacturer Part Number: LT1120
• Description: Micropower Regulator with Comparator and Shutdown
• Manufacturer: Linear Technology

LT1120
PARAMETER
Comparator
Offset Voltage
Bias Current
Gain
Output Sink Current
Leakage Current
Note 1: Absolute Maximum Ratings are those values beyond which the life
a device may be impaired.
ELECTRICAL CHARACTERISTICS
The
4
TYPICAL PERFOR A CE CHARACTERISTICS
–0.1
–0.2
–0.3
0.01
0.3
0.2
0.1
0.1
0
1
0.1
0.1
Regulator Load Regulation
Dropout Voltage
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
PRELOAD = 100 A
REGULATOR OUTPUT CURRENT (mA)
V
OUT
T
= 100mV
J
1
OUTPUT CURRENT (mA)
1
= 125 C
T
T
J
J
= –55 C
10
10
= 25 C
100
100
CONDITIONS
V
V
V
IN
IN
IN
W
V
OUT
= 36V (Note 2)
= 4.5V (Note 3)
= 36V
1120 G01
1120 G04
= 29V, R
1000
1000
U
L
= 20k
0.01
100
100
0.1
10
10
1
1
0.1
70
Supply Current
Regulator Minimum Load Current
T
J
REGULATOR OUTPUT CURRENT (mA)
80
= –55 C TO 125 C
90
1
TEMPERATURE ( C)
100 110 120 130 140 150
10
Note 2: TA > 85 C, I bias maximum is 100nA.
Note 3: For T
100
A
1120 G02
1120 G05
1000
– 40 C output current sink drops to 2.5mA.
350
300
250
200
150
100
50
70
65
60
55
50
45
40
35
30
0
–50
10
Regulator Ripple Rejection
Regulator Short-Circuit Current
I
OUT
V
V
C
1000
MIN
IN
OUT
OUT
5
CURRENT LIMIT TIED TO GROUND
= 10mA
= 10VDC, 1V
–10
= 5V
= 10 F
I
100
OUT
RIPPLE FREQUENCY (Hz)
TEMPERATURE ( C)
= 1mA
TYP
30
15
10
P–P
1k
I
OUT
70
MAX
= 100mA
A
10
60
8
= 25 C.
10k
110
UNITS
1120 G03
1120 G06
V/V
mV
mA
100k
nA
150
A