MAX5098AATJ+T Maxim Integrated Products, MAX5098AATJ+T Datasheet - Page 9

• Manufacturer Part Number: MAX5098AATJ+T
• Description: IC CONV BUCK/BOOST DL 32TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck), Step-Up (Boost)r

Specifications of MAX5098AATJ+T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 0.85 V, 4.5 ~ 28 V
• Current - Output: 1A, 2A
• Frequency - Switching: 200kHz ~ 2.2MHz
• Voltage - Input: 4.5 ~ 19 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Power - Output: 2.76W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(See the Typical Application Circuit , unless otherwise noted. V+ = V
that N1 is shorted externally.)
2.010
2.008
2.006
2.004
2.002
2.000
1.998
1.996
1.994
1.992
1.990
-40
V
L
= V+ = V
-5
20
16
12
50
40
30
20
10
Converter with 80V Load-Dump Protection
8
4
0
vs. TEMPERATURE
IN_HIGH
0
BYPASS VOLTAGE
300
-50
TEMPERATURE (°C)
V+ = IN_HIGH = ON/OFF
ON/OFF = SGND
IN_HIGH = 8V
30
Dual, 2.2MHz, Automotive Buck or Boost
V+ SWITCHING SUPPLY CURRENT
T
= 5.5V
_______________________________________________________________________________________
A
IN_HIGH SHUTDOWN CURRENT
vs. SWITCHING FREQUENCY
= -40°C
680
SWITCHING FREQUENCY (kHz)
T
IN_HIGH = 14V
0
A
65
vs. TEMPERATURE
= +85°C
TEMPERATURE (°C)
1060
T
100
A
50
T
= +135°C
A
= +25°C
1440
IN_HIGH = 16V
135
T
100
A
1820
= +125°C
2.000
1.998
1.996
1.994
1.992
1.990
Typical Operating Characteristics (continued)
2200
150
0
T
A
10
= -40°C
T
A
20
= +85°C
vs. BYPASS CURRENT
BYPASS CURRENT (μA)
BYPASS VOLTAGE
30
40
T
A
50
= +125°C
IN_HIGH
60
T
A
70
= +25°C
T
A
= 14V, unless otherwise noted. V+ = V
80
= +135°C
90
100
145
135
125
115
105
95
85
75
4
3
2
1
0
-50
-50
V+ = IN_HIGH = ON/OFF
EN1 = EN2 = SGND
0V
0A
0V
0A
ON/OFF = IN_HIGH
EN1 = EN2 = SGND
IN_HIGH = 8V
SOURCE1, SOURCE1 INDICATOR CURRENT,
V+ STANDBY SUPPLY CURRENT
SOURCE2, SOURCE2 INDICATOR CURRENT
IN_HIGH STANDBY CURRENT
0
0
vs. TEMPERATURE
vs. TEMPERATURE
f
SW
TEMPERATURE (°C)
IN_HIGH = 14V
TEMPERATURE (°C)
= 1.85MHz
f
SW
50
50
= 300kHz
IN_HIGH = 16V
1μs/div
100
100
IN_HIGH
MAX5098A toc24
150
150
means
SOURCE1
20V/div
NO LOAD
I
500mA/div
NO LOAD
SOURCE2
20V/div
I
1A/div
SOURCE1
SOURCE2
9