lp2985-28d NXP Semiconductors, lp2985-28d Datasheet - Page 5

• Manufacturer Part Number: lp2985-28d
• Description: Lp2985-xx Micropower 150 Ma Low Noise, Low Dropout Linear Regulator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TYPICAL PERFORMANCE CURVES
2.8 V product. Except where noted otherwise, T
2003 Oct 31
Micropower 150 mA low noise,
low dropout linear regulator
2.90
2.85
2.70
2.80
2.75
Figure 7. Dropout voltage versus output current.
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.5
0.4
0.3
0.2
0.1
Figure 3. Output voltage versus input voltage.
0
0
0
0
V
IN
= 2.6 V
50
2
Figure 5. Load regulation.
50
I
I
100
O
O
V
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
4
IN
, INPUT VOLTAGE (V)
100
150
6
150
200
amb
8
= 25 C; V
R
R
R
L
L
L
200
= 2.8 k
= 93
= 19
250
10
SL02130
SL02132
SL02134
IN
250
300
= V
12
o
+ 1 V; V
5
cont
2.845
2.840
2.825
= 2 V; C
2.835
2.830
2.90
2.85
2.70
2.80
2.75
1.5
1.0
0.5
0.0
–50
Figure 4. Input current versus input voltage.
2
0
R
Figure 8. Output voltage versus T
R
R
i
L
L
L
= 1 F; C
=
= 2.8 k
= 2.8 k
–25
2
Figure 6. LIne regulation.
4
AMBIENT TEMPERATURE, T
0
o
= 1 F; C
V
V
4
IN
IN
, INPUT VOLTAGE (V)
, INPUT VOLTAGE (V)
25
6
n
= 0.01 F.
50
6
8
75
LP2985-XX
amb
8
( C)
amb
100
.
10
10
Product data
125
SL02131
SL02133
SL02135
150
12
12