MAX1536ETI+ Maxim Integrated Products, MAX1536ETI+ Datasheet - Page 4

• 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

3.6A, 1.4MHz, Low-Voltage, Internal-Switch Step-
Down Regulator with Dynamic Output Voltage Control
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
4
PWM CONTROLLER
Input Voltage
Feedback Voltage Accuracy
FB Input Bias Current
Dropout
PMOS Switch On-Resistance
NMOS Switch On-Resistance
Maximum Output Current
Current-Limit Threshold
Idle Mode Current Threshold
Switching Frequency
Off-Time
On-Time
Quiescent Supply Current
Shutdown Supply Currents
REFERENCE
REF Voltage
REFIN Input Voltage Range
FAULT DETECTION
PGOOD Lower Trip Threshold
PGOOD Upper Trip Threshold
_______________________________________________________________________________________
PARAMETER
IN
= V
CC
= V
SHDN
SYMBOL
I
V
I
I
OU T ( R M S )
CC
CC
R
V
R
V
IN
I
V
V
REFIN
V
NMOS
LIMIT
t
REFIN
PMOS
f
t
I
OFF
I
FB
I
, V
SW
ON
REF
FB
DO
LX
IN
+ I
+ I
= +3.3V, V
CC
-
IN
IN
V
V
V
V
V
V
V
(Note 2)
(Note 3)
SKIP = AGND
(Note 2)
V
(Note 2)
SKIP = AGND, V
SHDN = AGND; current into V
LX = 0 or +3.3V
SHDN = AGND; current into IN; LX = 0
SHDN = AGND; current into LX; LX = +3.3V
V
V
V
No load, falling edge, hysteresis = 1% (Note 4)
No load, rising edge, hysteresis = 1% (Note 4)
CC
FB
CC
CC
CC
CC
CC
FB
CC
CC
CC
= 1.01 × V
≥ 0.3 × V
REFIN
= V
= V
= V
= V
= V
= V
= V
= V
> V
IN
IN
IN
IN
IN
IN
IN
IN
REFIN
= +1.5V, SKIP = AGND, T
= +3.0V to +5.5V, I
= +3.0V to +5.5V,
= +3.0V, I
= +4.5V, I
= +3.0V, I
= +4.5V, I
= +3.0V, I
= +3.0V to +5.5V
REFIN
+ 1.35V
REFIN
FB
CONDITIONS
= 1.01 × V
LOAD
LOAD
LOAD
LOAD
LOAD
= 3A, FB = AGND
= 0.5A
= 0.5A
= 0.5A
= 0.5A
R
R
R
LOAD
TOFF
TOFF
TOFF
CC
REFIN
and IN;
= 30.1kΩ
= 110kΩ
= 499kΩ
= 0
A
= -40°C to +85°C, unless otherwise noted.) (Note 5)
-12.5
0.21
0.24
0.85
1.98
MIN
3.0
-50
4.0
3.8
0.3
0.7
+8
-4
TYP
+12.5
MAX
1.00
0.37
1.15
2.02
+50
330
110
750
5.5
3.6
5.7
1.4
5.2
2.0
+4
90
80
90
20
20
20
-8
UNITS
MHz
mΩ
mΩ
mV
mV
nA
µA
µA
µs
µs
%
%
V
A
A
A
V
V