MAX1536 Maxim Integrated Products, MAX1536 Datasheet - Page 3

• Manufacturer Part Number: MAX1536
• Description: 3.6A 1.4MHz Low-Voltage Internal-Switch Step-Down Regulator with Dynamic Output Voltage Control
• Manufacturer: Maxim Integrated Products

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
I
V
SHDN
t
I
t
CC
V
V
FBLANK
FBLANK
T
PGOOD
V
I
V
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
CC
C C
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
OD
CC
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
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5
+12.5
2.015
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
20
20
20
10
63
+5
25
25
1
UNITS
mV
µA
nA
µA
µA
µA
nA
nA
°C
µs
µs
%
%
Ω
Ω
V
V
V
V
V
V
3