MAX1536ETI+ Maxim Integrated Products, MAX1536ETI+ Datasheet - Page 7

• Manufacturer Part Number: MAX1536ETI+
• Description: IC PWM STEP-DN DC-DC CONV 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of MAX1536ETI+

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 5.5 V
• Current - Output: 3.6A
• Frequency - Switching: 1.4MHz
• Voltage - Input: 3 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: *
• Package / Case: 28-TQFN Exposed Pad
• Voltage - Supply: 3 V ~ 5.5 V
• Frequency-max: 1.4MHz
• Duty Cycle: 100%
• Pwm Type: Current Mode
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(MAX1536 Circuit of Figure 1, T
Down Regulator with Dynamic Output Voltage Control
3.6A, 1.4MHz, Low-Voltage, Internal-Switch Step-
0
DYNAMIC OUTPUT-VOLTAGE TRANSITION
V
V
FBLANK = REF, I
V
IN
IN
IN
_______________________________________________________________________________________
= 3.3V, V
= 3.3V, V
= 3.3V, V
LOAD-TRANSIENT RESPONSE
STARTUP AND SHUTDOWN
OUT
OUT
OUT
(HEAVY LOAD)
LOAD
= 1.8V, R
= 1.5V TO 1.8V TO 1.5V,
(PWM MODE)
= 1.8V, I
(IDLE MODE)
A
400µs/div
20µs/div
20µs/div
= 0.1A
= +25°C, unless otherwise noted.)
OUT
LOAD
= 0.1A TO 3A TO 0.1A
= 0.5Ω
MAX1536 toc10
MAX1536 toc14
MAX1536 toc12
Typical Operating Characteristics (continued)
I
2A/div
V
1V/div
V
5V/div
V
5V/div
V
5V/div
V
5V/div
V
200mV/div
V
200mV/div
I
5A/div
LX
I
2A/div
V
5V/div
I
2A/div
V
50mV/div
LX
LX
OUT
OUT
LX
REFIN
SHDN
PGOOD
GATE
OUT
LX
OUT
2.002
2.001
2.000
1.999
1.998
1.997
1.996
V
V
-40
IN
IN
= 3.3V, V
= 3.3V, V
V
IN
LOAD-TRANSIENT RESPONSE
STARTUP AND SHUTDOWN
= 3.3V
-15
OUT
OUT
REFERENCE VOLTAGE
vs. TEMPERATURE
(LIGHT LOAD)
= 1.8V, R
= 1.8V, I
TEMPERATURE (°C)
(IDLE MODE)
400µs/div
20µs/div
10
OUT
LOAD
= 0.1A TO 3A TO 0.1A
I
REF
35
= 3Ω
I
= 50µA
REF
= 0
I
MAX1536 toc11
MAX1536 toc13
REF
60
= 25µA
85
I
1A/div
V
1V/div
V
5V/div
V
5V/div
I
2A/div
V
5V/div
I
2A/div
V
50mV/div
LX
LX
OUT
OUT
SHDN
PGOOD
LX
OUT
7