LT1762 LINER [Linear Technology], LT1762 Datasheet - Page 8

• Manufacturer Part Number: LT1762
• Description: 150mA, Low Noise, LDO Micropower Regulators
• Manufacturer: LINER [Linear Technology]

LT1762 Series
TYPICAL PERFORMANCE CHARACTERISTICS
8
68
66
64
62
60
58
56
54
52
–50
Ripple Rejection
V
1V + 0.5V
AT f = 120Hz
I
L
IN
= 150mA
–25
= V
OUT (NOMINAL)
P-P
0
TEMPERATURE ( C)
0.01
160
140
120
100
RIPPLE
0.1
10
80
60
40
20
0
1
10
25
10
Output Noise Spectral Density
C
RMS Output Noise vs
Bypass Capacitor
BYP
C
I
LT1762
L
LT1762-2.5
OUT
+
= 150mA
LT1762-2.5
LT1762-5
50
LT1762-5
LT1762
= 0
= 10 F
100
75
100
W
FREQUENCY (Hz)
LT1762-3.3
100
C
LT1762-3.3
LT1762-3
BYP
LT1762-3
1762 G37
1k
U
(pF)
125
C
I
f = 10Hz TO 100kHz
L
OUT
= 150mA
1000
= 10 F
10k
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
1762 G40
0
1762 G42
–50
LT1762
Minimum Input Voltage
10000
100k
V
OUT
–25
= 1.22V
0
TEMPERATURE ( C)
25
I
L
I
L
= 150mA
= 1mA
50
75
100
0.01
160
140
120
100
0.1
1762 G38
10
80
60
40
20
0
1
0.01
10
125
Output Noise Spectral Density
RMS Output Noise vs
Load Current (10Hz to 100kHz)
LT1762
C
C
I
LT1762-5
L
OUT
OUT
C
= 150mA
BYP
C
C
BYP
BYP
= 10 F
= 10 F
0.1
= 0.01 F
100
= 0.01 F
= 0
LOAD CURRENT (mA)
–10
–15
–20
–25
–5
FREQUENCY (Hz)
5
0
–50
Load Regulation
1
V
LT1762-3.3
1k
IN
I
–25
L
= V
= 1mA TO 150mA
10
OUT(NOMINAL)
LT1762-5
LT1762-5
C
LT1762
LT1762
0
BYP
TEMPERATURE ( C)
LT1762-5
C
10k
BYP
100
= 1000pF
25
= 100pF
1762 G41
1762 G43
+ 1V
LT1762-3
50
100k
1000
75
LT1762-2.5
LT1762
100
1762 G39
125