MAX1536ETI+ Maxim Integrated Products, MAX1536ETI+ Datasheet - Page 3

IC PWM STEP-DN DC-DC CONV 28TQFN

MAX1536ETI+

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

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
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
values are at T
Shutdown Supply Currents
REFERENCE
REF Voltage
REF Load Regulation
REFIN Input Voltage Range
REFIN Input Bias Current
FAULT DETECTION
Thermal Shutdown
Undervoltage Lockout
Threshold
PGOOD Lower Trip Threshold
PGOOD Upper Trip Threshold
PGOOD Propagation Delay
PGOOD Output Low Voltage
PGOOD Leakage Current
Fault Blanking Time
INPUTS AND OUTPUTS
Logic Input Threshold
Logic Input Current
FBLANK Logic Thresholds
FBLANK Input Current
OD On-Resistance
OD Leakage Current
OD On-Resistance
OD Leakage Current
Down Regulator with Dynamic Output Voltage Control
PARAMETER
3.6A, 1.4MHz, Low-Voltage, Internal-Switch Step-
A
= +25°C.)
_______________________________________________________________________________________
IN
= V
CC
= V
SYMBOL
V
I
SHDN
t
I
t
V
CC
V
T
FBLANK
FBLANK
PGOOD
V
V
I
FBLANK
V
REFIN
SHDN
R
R
REFIN
SHDN
GATE
SKIP
I
I
REF
LX
IN
OD
OD
+ I
= +3.3V, V
IN
,
,
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
I
V
V
Rising, hysteresis = 15°C
V
V
V
No load, falling edge, hysteresis = 1% (Note 4)
No load, rising edge, hysteresis = 1% (Note 4)
FB forced 2% beyond PGOOD trip threshold
I
High-impedance state, forced to +5.5V
FBLANK = V
FBLANK = open or AGND
FBLANK = REF
SHDN, SKIP, GATE, V
rising edge, hysteresis = 100mV
SHDN, SKIP, GATE, V
rising edge, hysteresis = 100mV
SHDN, SKIP, GATE
FBLANK = V
FBLANK = REF
FBLANK = open
FBLANK = AGND
FBLANK forced to AGND or V
GATE = V
GATE = AGND, V
GATE = AGND
GATE = V
REF
SINK
C C
CC
REFIN
CC
CC
CC
= V
= V
= -1µA to +50µA
and V
- V
- V
= 1mA
REFIN
= 1.5V, V
REFIN
FB
IN
IN
, V
CC
CC
= + 3.0V to + 5.5V , V
= +3.0V to +5.5V
IN
= +1.5V, SKIP = AGND, T
CC
CC
CC
, V
, V
rising, hysteresis 60mV typical
CC
OD
rising, hysteresis 60mV typical
FB
OD
CONDITIONS
rising, hysteresis 60mV typical
= +5.5V
= 1.01 × V
= +5.5V
IN
IN
= V
= V
CC
CC
C C
CC
CC
REFIN
= +3.3V,
= +5.0V,
> V
and IN;
RE F IN
A
= 0°C to +85°C, unless otherwise noted. Typical
+ 1.35V
V
1.985
-12.5
+8.0
CC
1.15
MIN
112
-0.5
0.7
-50
2.4
0.9
1.8
0.8
-50
-50
75
37
-5
- 0.2
2.000
TYP
1.55
+10
165
150
100
0.2
0.2
0.1
2.6
0.9
0.9
-10
1.3
50
10
10
5
2.015
+12.5
MAX
+0.5
1.35
1.35
1.95
+50
-8.0
+50
+50
188
125
2.0
2.8
0.1
1.6
2.2
1.2
0.2
+5
20
20
20
10
63
25
25
1
UNITS
mV
µA
nA
µA
µA
µA
nA
nA
°C
µs
µs
%
%
V
V
V
V
V
V
3

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