MAX1533AETJ+ Maxim Integrated Products, MAX1533AETJ+ Datasheet - Page 11

• Manufacturer Part Number: MAX1533AETJ+
• Description: IC POWER SUPPLY CONTROLER 32TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1533AETJ+

• Applications: Power Supply Controller
• Voltage - Input: 4.5 ~ 26 V
• Current - Supply: 15µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

(MAX1537A circuit of Figure 1, V
3.3V
3.3V
2V
5V
5V
5A
5V
5V
0
0
0
High-Efficiency, 5x Output, Main Power-Supply
0
0
0
0
A. SHDN, 5V/div
B. LDO5, 2V/div
C. 5V OUTPUT, 2V/div
D. INDUCTOR CURRENT, 5A/div
E. DL5, 5V/div
ON3 = ON5 = V
A. ON5, 5V/div
B. 5V OUTPUT, 2V/div
C. 3.3V OUPUT, 2V/div
D. PGOOD, 2V/div
100Ω LOAD ON OUT5 AND OUT3, ON3 = REF
SHUTDOWN WAVEFORM (1Ω LOAD)
DELAYED STARTUP WAVEFORM
CC
(LIGHT LOAD)
, OVP = GND
100μs/div
______________________________________________________________________________________
2ms/div
MAX1533/37 toc19
MAX1533/37 toc16
Controllers for Notebook Computers
IN
= 12V, LDO5 = V
A
B
C
D
E
A
B
C
D
3.3V
2.5A
12V
4A
5V
4A
Typical Operating Characteristics (continued)
4V
2V
5V
0
0
0
0
0
0
0
A. I
B. V
C. INDUCTOR CURRENT, 5A/div
D. LX5, 10V/div
SKIP = V
A. ON5, 5V/div
B. 5V OUTPUT, 2V/div
C. INDUCTOR CURRENT, 5A/div
D. LDO5, 1V/div
E. DL5, 5V/div
1.0Ω LOAD
CC
STARTUP WAVEFORM (HEAVY LOAD)
OUT5
OUT5
= 5V, SKIP = GND, FSEL = REF, T
5V OUTPUT LOAD TRANSIENT
= 0.2A TO 4A, 5A/div
CC
= 5.0V, 100mV/div
(FORCED-PWM)
400μs/div
40μs/div
MAX1533/37 toc20
MAX1533/37 toc17
A
B
C
D
A
B
C
D
E
A
3.3V
3.3V
12V
= +25°C, unless otherwise noted.)
4A
4A
2V
5V
5V
5V
0
0
0
0
0
0
0
0
0
A. I
B. V
C. INDUCTOR CURRENT, 5A/div
D. LX3, 10V/div
SKIP = V
A. SHDN, 5V/div
B. 5V OUTPUT, 5V/div
C. DL5, 5V/div
ON3 = ON5 = V
SHUTDOWN WAVEFORM (NO LOAD)
OUT3
OUT3
3.3V OUTPUT LOAD TRANSIENT
= 0.2A TO 4A, 5A/div
CC
= 3.3V, 100mV/div
(FORCED-PWM)
CC
, OVP = GND
40μs/div
2ms/div
D. 3.3V OUTPUT, 5V/div
E. DL3, 5V/div
F. PGOOD, 5V/div
MAX1533/37 toc21
MAX1533/37 toc18
A
B
C
D
11
A
B
C
D
E
F