MAX1965TEEP Maxim Integrated, MAX1965TEEP Datasheet - Page 6

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

Tracking/Sequencing Triple/Quintuple
Power-Supply Controllers
(Circuit of Figure 1, V
6
5.00V
4.95V
5.05
5.03
5.01
4.99
4.97
4.95
0.5A
12V
_______________________________________________________________________________________
1A
0
0
A. V
B. V
C. INDUCTOR CURRENT, 500mA/div
V
OUPUT VOLTAGE vs. LOAD CURRENT
IN
= 12V, R
OUT
LX ,
10V/div
(STEP-DOWN CONVERTER)
= 5.0V, 50mV/div
SWITCHING WAVEFORMS
0.5
(ADJUSTABLE MODE)
OUT1
LOAD CURRENT (A)
= 5V
IN
40µs/div
1.0
= 12V, V
1.5
OUT
MAX1964/65 toc07
= 3.3V, T
2.0
A
B
C
A
= +25°C, unless otherwise noted.)
5.05
5.03
5.01
4.99
4.97
4.95
5V
5V
1A
Typical Operating Characteristics (continued)
0
0
0
0
A. V
B. V
C. INDUCTOR CURRENT, 1A/div
V
IN
INTERNAL 5V LINEAR REGULATOR
L
OUT1
= STEPPED FROM 0 TO 12V, R
= 5V, 5V/div
5
(STEP-DOWN CONVERTER)
= 5V (ADJ),2V/div
vs. LOAD CURRENT
LOAD CURRENT (mA)
10
SOFT-START
1ms/div
15
20
OUT1
MAX1964/65 toc08
= 10Ω
25
30
A
B
C
1.8V
3.3V
5.0V
5V
1A
0
A. V
B. V
C. V
D. V
V
A. V
B. I
V
IN
IN
OUT
MAX1964 STARTUP WAVEFORM
= STEPPED FROM 0 TO 12V, R
OUT1
OUT2
OUT3
POK
= 12V
OUT
, 5V/div
= 10mA TO 1A, 500mA/div
(STEP-DOWN CONVERTER)
= 5V, 100mV/div
(VOLTAGE SEQUENCING)
= 5V (ADJ), 2V/div
= 1.8V, 1V/div
= 3.3V, 2V/div
LOAD TRANSIENT
200µs/div
40µs/div
OUT1
MAX1964/65 toc09
MAX1964/65 toc06
= 5Ω
C
D
A
B
A
B