MAX1534ETE+T Maxim Integrated Products, MAX1534ETE+T Datasheet - Page 4

• Manufacturer Part Number: MAX1534ETE+T
• Description: IC PWR SUPPLY CONTROLLER 16TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1534ETE+T

• Applications: Power Supply Controller
• Voltage - Input: 4.5 ~ 24 V
• Current - Supply: 15µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

High-Efficiency, Triple-Output, Keep-Alive
Power Supply for Notebook Computers
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
4
Input Voltage Range
Input Undervoltage Lockout
Threshold
BUCK REGULATOR
FB3 Voltage Accuracy (Preset
Mode)
FB3 Set Voltage (Adjustable
Mode)
LX Switch Minimum Off-Time
LX Switch Maximum On-Time
LX Switch On-Resistance
LX Current Limit
LINEAR REGULATORS
LDOIN Input Voltage
LDOIN UVLO
OUT1 Voltage Accuracy (Preset
Mode)
OUT2 Voltage Accuracy (Preset
Mode)
FB1, FB2 Set Voltage (Adjustable
Mode)
OUT1, OUT2 Adjustable Output
Voltage Range
Maximum OUT1 Output Current
OUT1 Current Limit
Maximum OUT2 Output Current
OUT2 Current Limit
LDO_ Dropout Voltage
LDO_ Line Regulation
FAULT DETECTION
POK Threshold
_______________________________________________________________________________________
PARAMETER
IN
= 12V, ILIM = GND, PRESET = GND, T
V
I
I
V
OUT1(MAX)
OUT2(MAX)
SYMBOL
t
I
UVLO(LDO)
t
FB1
OFF(MIN)
LX(PEAK)
ON(MAX)
V
V
V
V
V
V
V
LDOIN
OUT1
UVLO
R
OUT1
OUT2
OUT2
V
FB3
, V
IN
LX
FB2
,
V
V
V
PRESET = GND
PRESET = IN
V
V
ILIM = IN
ILIM = GND
V
PRESET = GND
PRESET = GND
PRESET = IN
PRESET = IN
Continuous
Continuous
I
V
to +5.5V, I
OUT1, OUT2, and FB3 rising edge, 1%
hysteresis (Note 3)
OUT_
IN
IN
IN
IN
IN
LDOIN
LDOIN
rising
falling
= 6V
= 4.5V
= 80mA (Note 2)
rising, hysteresis = 40mV (typ)
= (V
OUT_
A
OUT_
= -40°C to +85°C, unless otherwise noted.) (Note 4)
CONDITIONS
= 1mA
+ 0.4V) or +2.5V
I
160mA
I
160mA
I
160mA
OUT1
OUT2
OUT_
= 100µA to
= 100µA to
= 100µA to
4.85
0.97
0.22
2.15
3.20
1.74
0.97
MIN
800
425
160
160
160
160
-0.2
4.5
3.6
3.5
2.5
1.0
-13
8
TYP
V
MAX
1200
5.15
1.03
0.62
2.40
3.40
1.86
1.03
LDOIN
+0.2
575
550
550
250
4.4
4.3
1.0
1.2
5.5
24
12
-8
UNITS
%/V
mA
mA
mA
mA
mA
mV
µs
µs
%
Ω
V
V
V
V
V
V
V
V
V
V