MAX15016AATX+ Maxim Integrated Products, MAX15016AATX+ Datasheet - Page 4

• 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

ELECTRICAL CHARACTERISTICS (continued)
(V
1µF, C
Typical values are at T
1A, 4.5V to 40V Input Buck Converters with
50mA Auxiliary LDO Regulators
4
SYNC Frequency Range
Ramp Level Shift (Valley)
ERROR AMPLIFER
Soft-Start Reference Voltage
Soft-Start Current
FB Regulation Voltage
FB Input Range
FB Input Current
COMP Voltage Range
Open-Loop Gain
Unity-Gain Bandwidth
PWM Modulator Gain
CURRENT-LIMIT COMPARATOR
Pulse Skip Threshold
Cycle-by-Cycle Current Limit
Number of Consecutive ILIM
Events to Hiccup
Hiccup Timeout
POWER SWITCH
Switch On-Resistance
Switch Gate Charge
Switch Leakage Current
BST Quiescent Current
BST Leakage Current
CHARGE PUMP (MAX15015/MAX15016)
C- Output Voltage Low
C- Output Voltage High
DVREG to C+ On-Resistance
LX to PGND On-Resistance
LDO
Input Voltage Range
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
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
UVLO_LDO
EN_SYS
UVLO_LDO
SYMBOL
V
f
IN_LDO
LDO_OUT
IPFM
SYNC
I
V
V
V
I
I
ILIM
SS
FB
SS
FB
FB
= V
HYST
EN_SW
TH
= 10µF, C
MAX15014/MAX15016
MAX15015/MAX15017
V
V
I
f
f
V
V
V
40V, V
V
DVREG = 5V
V
V
Sinking 10mA
Relative to DVREG, sourcing 10mA
Sourcing 10mA
Sinking 10mA
V
= 2.4V, V
COMP
S Y NC
S Y NC
SS
FB
BST
BST
IN_SW
BST
BST
IN_LDO
IN_LDO
= 0V
= 1.244V
- V
- V
= 40V, V
= V
= 500kH z, M AX 15015/M AX15017
= 135kH z, M AX 15014/M AX15016
FB
= -500µA to +500µA
DRAIN
= V
LX
LX
= 40V, EN_SW = 0V
rising
DRAIN
= 0V
REG
= 6V
= 6V
IN_LDO
CONDITIONS
= 0.22µF, T
DRAIN
= V
= V
DVREG
= V
LX
= 40V, V
= V
LX
, V
= V
IN_SW
A
SYNC
= T
DRAIN
FB
J
=
= 0V,
= V
= -40°C to +125°C, unless otherwise noted.
=
SET_LDO
1.210
1.210
-250
0.25
0.15
3.90
MIN
100
400
100
1.3
7
0
5
= V
SGND
1.235
1.235
TYP
200
512
400
0.3
1.8
0.4
4.1
0.3
12
80
10
10
2
7
4
= V
PGND
1.260
1.260
+250
MAX
0.80
4.25
200
600
300
600
0.1
1.5
4.5
2.6
0.1
17
10
10
12
40
1
= 0V, C
periods
UNITS
Clock
MHz
kHz
V/V
mA
dB
nC
REG
µA
nA
µA
µA
µA
—
Ω
Ω
Ω
V
V
V
V
V
A
V
V
V
V
V
=