MAX1537ETX Maxim Integrated, MAX1537ETX Datasheet - Page 6
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MAX1537ETX
Manufacturer Part Number
MAX1537ETX
Description
Current & Power Monitors & Regulators
Manufacturer
Maxim Integrated
Datasheet
1.MAX1537ETX-T.pdf
(38 pages)
High-Efficiency, 5x Output, Main Power-Supply
Controllers for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
I
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
I
6
LDO5
LDO5
FSEL Three-Level Input Logic
Input Leakage Current
CSL_ Discharge-Mode
On-Resistance
CSL_ Synchronous-Rectifier
Discharge-Mode Turn-On Level
INPUT SUPPLIES (Note 1)
V
V
V
V
Quiescent Power Consumption
V
MAIN SMPS CONTROLLERS
3.3V Output Voltage in
Fixed Mode
5V Output Voltage in Fixed Mode
Feedback Voltage in
Adjustable Mode
Output-Voltage Adjust Range
FB3, FB5 Adjustable-Mode
Threshold Voltage
IN
IN
IN
IN
CC
_______________________________________________________________________________________
Input Voltage Range
Operating Supply Current
Standby Supply Current
Shutdown Supply Current
Quiescent Supply Current
= I
= I
LDO3
LDO3
PARAMETER
PARAMETER
= I
= I
LDOA
LDOA
IN
IN
= no load, T
= no load, T
= 12V, both SMPS enabled, V
= 12V, both SMPS enabled, V
A
A
R
V
= -40°C to +85°C, unless otherwise noted.) (Note 4)
= 0°C to +85°C, unless otherwise noted. Typical values are at T
SYMBOL
I
DISCHARGE
SYMBOL
I
IN(SHDN)
FB3
IN(STBY)
V
V
OUT3
OUT5
V
I
P
I
CC
IN
, V
IN
Q
FB5
LDO5 in regulation
IN = LDO5, V
LDO5 switched over to CSL5,
either SMPS on
V
includes I
V
Both SMPS on, FB3 = FB5 = SKIP = GND,
V
I
Both SMPS on, FB3 = FB5 = GND,
V
V
V
V
duty factor = 20% to 80% (Note 2)
Either SMPS
Dual-mode comparator
LDOA
High
REF
GND
OVP, UVP, SKIP, ONA, ON3, ON5 = GND
or V
SHDN, 0V or 26V
FSEL = GND or V
IN
IN
CSL3
CSL3
IN
IN
IN
CC
CC
= 6V to 26V, both SMPS off,
= 6V to 26V
= 6V to 26V, SKIP = V
= 6V to 26V, SKIP = V
= 6V to 26V, FB3 or FB5,
CC
= 0, P
= 3.5V, V
= 3.5V, V
= 5V, FSEL = REF, SKIP = GND, V
= 5V, FSEL = REF, SKIP = GND, V
SHDN
IN
OUT5
+ P
CONDITIONS
CONDITIONS
CSL5
CSL5
CSL3
CC
< 4.4V
= 5.3V, V
= 5.3V
+ P
CC
CC
CSL5
(Note 2)
(Note 2)
INA
+ P
= 15V,
INA
ILIM_
ILIM_
V
4.975
0.982
= V
CC
= V
3.28
MIN
MIN
1.7
0.2
4.5
1.0
0.1
-1
-1
-3
6
A
- 0.2
LDO5
LDO5
= +25°C.)
, V
, V
TYP
0.3
10
INA
INA
= 15V, V
= 15V, V
5.125
1.018
MAX
MAX
3.38
170
2.3
0.4
0.4
5.5
4.5
2.5
5.5
0.2
+1
+1
+3
25
26
35
17
LDOA
LDOA
UNITS
UNITS
mW
= 12V,
= 12V,
mA
µA
µA
µA
µA
Ω
V
V
V
V
V
V
V
V