MAX15017BATX+ Maxim Integrated Products, MAX15017BATX+ Datasheet - Page 8

• Manufacturer Part Number: MAX15017BATX+
• Description: IC DC/DC CONV 1A 36-TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX15017BATX+

• 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: 7.5 ~ 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

1A, 4.5V to 40V Input Buck Converters with
50mA Auxiliary LDO Regulators
8
(V
1µF, C
100
100
IN_SW
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0V
0V
_______________________________________________________________________________________
1
1
IN_SW
V
V
V
V
IN
OUT
OUT
IN
I
= V
LOAD
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
= 4.5V
= 7.5V
= 3.3V
= 5V
TURN-ON/-OFF WAVEFORM
= 1A
IN_LDO
= 0.1µF, C
LOAD CURRENT (mA)
LOAD CURRENT (mA)
INCREASING V
10
10
(MAX15017A)
V
V
IN
IN
10ms/div
= V
= 40V
= 7.5V
V
IN
IN_LDO
DRAIN
V
= 40V
IN
V
IN
= 12V
100
100
= 24V
MAX15016A
I
IN
LDO_OUT
V
V
IN
=14V, V
= 0.1µF, C
IN
= 12V
MAX15014 toc10
= 24V
= 0A
1000
1000
EN_SYS
V
2V/div
V
5V/div
LDO_OUT
IN
OUT
= V
100
90
80
70
60
50
40
30
20
10
0V
0V
0
0
EN_SW
Typical Operating Characteristics (continued)
= 10µF, C
1
V
MAX15015A
I
LOAD
V
IN
OUT
EFFICIENCY vs. LOAD CURRENT
= 12V, I
LOAD-TRANSIENT RESPONSE
= 100mA
TURN-ON/-OFF WAVEFORM
= 3.3V
= 2.4V, V
V
IN
OUT
DRAIN
= 4.5V
LOAD CURRENT (mA)
INCREASING V
10
(MAX15015A)
= 0.25A TO 1A
200µs/div
10ms/div
V
IN
REG
= 0.22µF, see Figures 6 and 7, T
= 7.5V
V
= V
IN
100
= 40V
V
IN
IN
DVREG
= 24V
V
IN
MAX15014 toc17
MAX15014 toc11
= 12V
, V
1000
SYNC
V
AC-COUPLED
100mV/div
I
500mA/div
V
2V/div
V
5V/div
LOAD
OUT
IN
OUT
= V
SET_LDO
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
100
90
80
70
60
50
40
30
20
10
0
0
-40
A
1
OUTPUT VOLTAGE vs. TEMPERATURE
V
V
MAX15015A
= +25°C, unless otherwise noted.)
V
IN
OUT
IN
= V
EFFICIENCY vs. LOAD CURRENT
= 4.5V, I
-15
= 7.5V
= 5V
LOAD-TRANSIENT RESPONSE
SGND
I
LOAD
10
OUT
LOAD CURRENT (mA)
TEMPERATURE (°C)
10
(MAX15014)
= 0A
= 0.25A TO 1A
= V
35
200µs/div
V
IN
PGND
I
LOAD
= 40V
60
= 1A
V
100
IN
= 0V, C
= 12V
85
V
MAX15014 toc18
IN
110
= 24V
REG
1000
135
=
V
AC-COUPLED
100mV/div
I
500mA/div
LOAD
OUT