MAX1965TEEP Maxim Integrated, MAX1965TEEP Datasheet - Page 8

• Manufacturer Part Number: MAX1965TEEP
• Description: Current & Power Monitors & Regulators
• Manufacturer: Maxim Integrated

Tracking/Sequencing Triple/Quintuple
Power-Supply Controllers
(Circuit of Figure 1, V
8
250mA
2.473V
2.453V
2.50
2.48
2.46
2.44
2.42
_______________________________________________________________________________________
0
0.01
A. I
B. V
C
CIRCUIT OF FIGURE 1
OUTPUT VOLTAGE vs. LOAD CURRENT
LDO(POS)
OUT2
OUT2
POSITIVE LINEAR REGULATOR
POSITIVE LINEAR REGUALTOR
= 10mA TO 250mA, 200mA/div
0.1
= 2.5V, 10mV/div
= 10µF CERAMIC, V
LOAD TRANSIENT
LOAD CURRENT (mA)
(Q
(Q
LDO
LDO
V
1
SUP(POS)
IN
10µs
= TIP30)
= TIP30)
V
= 12V, V
SUP(POS)
10
= 3.3V
SUP(POS)
= 5.0V
MAX1964/65 toc19
OUT
100
= 3.3V
= 3.3V, T
1000
A
B
A
= +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)
2.50
2.48
2.46
2.44
2.42
45
40
35
30
25
20
15
10
5
0
DRIVE CURRENT vs. BASE-DRIVE VOLTAGE
0
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
2
NEGATIVE LINEAR REGULATOR BASE-
V
FB5
POSITIVE LINEAR REGULATOR
= 250mV
2
4
SUPPLY VOLTAGE (V)
(Q
V
LDO
4
OUT
6
- V
= TIP30)
I
I
B5 (MAX1965) ONLY
B5
OUT2
OUT2
(V)
6
8
= 1mA
= 100mA
V
FB5
V
V
OUT
OUT
= 50mV
10
8
= 5.0V
= 3.3V
10
12
-12.00
-12.06
-12.12
-12.18
-12.24
80
70
60
50
40
30
20
10
0
0.1
0.01
OUTPUT VOLTAGE vs. LOAD CURRENT
POWER-SUPPLY REJECTION RATIO
I
OUT2
V
V
SUP(NEG)
OUT3
POSITIVE LINEAR REGULATOR
NEGATIVE LINEAR REGULATOR
= 150mA
0.1
= 5V
1
= -15V
LOAD CURRENT (mA)
(Q
FREQUENCY (kHz)
(Q
LDO
LDO
1
= TIP30)
10
= TIP29)
10
100
100
1000
1000