MAX1965TEEP Maxim Integrated, MAX1965TEEP Datasheet - Page 7

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

(Circuit of Figure 1, V
2.50
2.48
2.46
2.44
2.42
-2V
-4V
4V
2V
5V
0
0
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
2
A. V
B. V
C. V
V
R
CIRCUIT OF FIGURE 6
IN
OUT1
MAX1965 STARTUP WAVEFORM
= STEPPED FROM 0 TO 12V,
OUT4
OUT1
OUT2
POSITIVE LINEAR REGULATOR
= 6.6Ω
3
= 3.3V, 2V/div
= 5.0V, 2V/div
= 2.5V, 2V/div
(VOLTAGE TRACKING)
SUPPLY VOLTAGE (V)
(Q
4
LDO
I
OUT2
400µs/div
I
OUT2
_______________________________________________________________________________________
IN
= 2N3905)
= 100mA
5
= 1mA
= 12V, V
D. V
E. V
F. V
6
Tracking/Sequencing Triple/Quintuple
OUT5
POK
MAX1964/65 toc10
OUT3
OUT
, 5V/div
7
= -5.0V, 2V/div
= 1.8V/div
= 3.3V, T
8
A
B
C
D
E
F
A
= +25°C, unless otherwise noted.)
40
35
30
25
20
15
10
80
70
60
50
40
30
20
10
Typical Operating Characteristics (continued)
5
0
0
DRIVE CURRENT vs. BASE-DRIVE VOLTAGE
0.1
0
I
POSITIVE LINEAR REGULATOR BASE-
OUT2
POWER-SUPPLY REJECTION RATIO
POSITIVE LINEAR REGULATOR
= 50mA
2
1
(Q
BASE VOLTAGE (V)
FREQUENCY (kHz)
Power-Supply Controllers
V
LDO
FB_
4
V
= 1.0V
= 2N3905)
FB_
10
= 0.96V
6
(MAX1965) ONLY
B2, B3 AND B4
REF
100
8
1000
10
100mA
2.467V
2.457V
2.50
2.48
2.46
2.44
2.42
0
0.01
OUTPUT VOLTAGE vs. LOAD CURRENT
A. I
B. V
C
CIRCUIT OF FIGURE 1
LDO(POS)
OUTZ
OUTZ
POSITIVE LINEAR REGULATOR
POSITIVE LINEAR REGULATOR
0.1
= 1mA TO 100mA, 50mA/div
= 2.5V, 5mV/div
= 10µF CERAMIC, V
LOAD CURRENT (mA)
(Q
LOAD TRANSIENT
(Q
LDO
LDO
1
10µs/div
= 2N3905)
V
= 2N3905)
SUP(POS)
10
V
SUP(POS)
SUP(POS)
= 3.3V
100
MAX1964/65 toc15
= 3.3V
= 5.0V
1000
7
A
B