MAX15016AATX+ Maxim Integrated Products, MAX15016AATX+ Datasheet - Page 2

• Manufacturer Part Number: MAX15016AATX+
• Description: IC DC/DC CONV 1A 36-TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX15016AATX+

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 1.26 ~ 32 V
• Current - Output: 1A
• Frequency - Switching: 135kHz ~ 500kHz
• Voltage - Input: 4.5 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 36-TQFN Exposed Pad
• Power - Output: 2.1W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
IN_SW, IN_LDO, DRAIN, EN_SYS, EN_SW
IN_LDO to IN_SW ..................................................-0.3V to +0.3V
LX to SGND ...........................................-0.3V to (V
LX to PGND ...........................................-0.3V to (V
BST to SGND ..........................................-0.3V to (V
BST to LX................................................................-0.3V to +12V
PGND to SGND .....................................................-0.3V to +0.3V
REG, DVREG, SYNC, RESET, CT to SGND............-0.3V to +12V
FB, COMP_SW, SS to SGND....................-0.3V to (V
SET_LDO, LDO_OUT to SGND ..............................-0.3V to +12V
C+ to PGND
C- to PGND
1A, 4.5V to 40V Input Buck Converters with
50mA Auxiliary LDO Regulators
ELECTRICAL CHARACTERISTICS
(V
1µF, C
Typical values are at T
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
2
System Supply Current (Not
Switching)
Switching System Supply Current
LDO Quiescent Current
System Shutdown Current
System Enable Voltage
System Enable Hysteresis
System Enable Input Current
BUCK CONVERTER
Input Voltage Range
to SGND ..............................................................-0.3V to +45V
(MAX15015/MAX15016 only)................(V
(MAX15015/MAX15016 only) ............-0.3V to (V
IN_SW
_______________________________________________________________________________________
IN_SW
= V
PARAMETER
IN_LDO
= 0.1µF, C
= V
A
DRAIN
IN_LDO
= +25°C.) (Note 1)
= 14V, V
= 0.1µF, C
V
SYMBOL
V
EN_SYS
I
EN_SYSH
V
EN_SYSL
EN_SYS
I
SHDN
I
I
IN_SW
I
LDO
SYS
SW
DVREG
LDO_OUT
= V
DVREG
EN_SW
IN_SW
IN_SW
- 0.3V) to 12V
No load
No load
V
V
V
EN_SYS = high, system on
EN_SYS = low, system off
V
V
MAX15014/MAX15017
MAX15015/MAX15016
IN_SW
EN_SYS
EN_SW
EN_SYS
EN_SYS
EN_SYS
REG
= 10µF, C
+ 0.3V)
+ 0.3V)
+ 0.3V)
+ 0.3V)
= 2.4V, V
+ 12V)
= 0V
= 14V,
= 0V, V
= 2.4V
= 14V
DRAIN
CONDITIONS
REG
EN_SW
V
MAX15014/MAX15017
V
MAX15015/MAX15016
V
MAX15014/MAX15017
V
MAX15015/MAX15016
I
I
LDO_OUT
LDO_OUT
FB
FB
FB
FB
LDO_OUT Output Current.................................Internally Limited
Switch DC Current (DRAIN and LX pins combined)
RESET Sink Current ..............................................................5mA
Continuous Power Dissipation (T
Operating Temperature Range .........................-40°C to +125°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range ............................-60°C to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
= 0.22µF, T
= V
T
T
36-Pin TQFN (derate 26.3mW/°C above +70°C)
Single-Layer Board .....................................................2105mW
36-Pin TQFN (derate 35.7mW/°C above +70°C)
Multilayer Board ..........................................................2857mW
= 1.3V,
= 1.3V,
= 0V,
= 0V,
J
J
= 0V
DVREG
= +125°C.......................................................................1.9A
= +150°C.....................................................................1.25A
= 100µA
= 50mA
, V
A
SYNC
= T
J
= V
= -40°C to +125°C, unless otherwise noted.
SET_LDO
MIN
2.4
7.5
4.5
= V
A
= +70°C)
SGND
TYP
0.85
130
220
0.7
5.6
8.6
0.5
0.6
47
6
= V
PGND
MAX
40.0
40.0
200
1.8
1.8
0.8
63
10
2
2
= 0V, C
UNITS
mA
mA
mV
µA
µA
µA
REG
V
V
=