MAX5073ETI+ Maxim Integrated Products, MAX5073ETI+ Datasheet - Page 3

• Manufacturer Part Number: MAX5073ETI+
• Description: IC CONV BUCK/BOOST 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck), Step-Up (Boost)r

Specifications of MAX5073ETI+

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 28 V
• Current - Output: 1A, 2A
• Frequency - Switching: 200kHz ~ 2.2MHz
• Voltage - Input: 4.5 ~ 23 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Power - Output: 2.76W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V+ = VL = 5.2V or V+ = 5.5V to 23V, EN_ = VL, SYNC = GND, I
ic), R
VOLTAGE-ERROR AMPLIFIER
FB_ Input Bias Current
FB_ Input Voltage Set Point
FB_ to COMP_
Transconductance
INTERNAL PMOSFETS
On-Resistance Converter 1
On-Resistance Converter 2
M i ni m um C onver ter 1 Outp ut C ur rent
M i ni m um C onver ter 2 Outp ut C ur rent
Converter 1 MOSFET Leakage
Current
Converter 2 MOSFET Leakage
Current
INTERNAL SWITCH CURRENT LIMIT
Current-Limit Converter 1
Current-Limit Converter 2
OSC
2.2MHz, Dual-Output Buck or Boost Converter
= 10kΩ (circuit of Figure 1), T
PARAMETER
_______________________________________________________________________________________
SYMBOL
I
R
R
I
I
A
B(EA)
OUT1
OUT2
I
I
I
I
g
CL1
CL2
LK1
LK2
ON1
ON2
= T
M
J
= T
MIN
0°C ≤ T
-40°C ≤ T
-40°C ≤ T
0°C to +85°C
-40°C to +85°C
-40°C to +125°C (MAX5073ATI only)
I
V
(MAX5073ETI)
I
V
(MAX5073ATI)
I
V
(MAX5073ETI)
I
V
(MAX5073ATI)
I
V
I
V
V
V
EN1 = 0V, V
EN2 = 0V, V
V+ = 12V (MAX5073ETI)
V+ = 12V (MAX5073ATI)
MAX5073ETI
MAX5073ATI
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
with Internal Power MOSFETs
BST1
BST1
BST1
BST1
BST2
BST2
OUT1
OUT2
to T
/V
/V
/V
/V
/V
/V
= 3.3V, V+ = 12V (Note 3)
= 2.5V, V+ = 12V (Note 3)
A
MAX
DD1
DD1
DD1
DD1
DD2
DD2
= 100mA,
= 100mA,
= 100mA,
= 100mA,
= 100mA,
= 100mA,
≤ +70°C
A
J
≤ +125°C (MAX5073ATI only)
≤ +85°C
, unless otherwise noted.) (Note 1)
DS
DS
to V
to V
to V
to V
to V
to V
CONDITIONS
VL
= 23V
= 23V
SOURCE1
SOURCE1
SOURCE1
SOURCE1
SOURCE2
SOURCE2
= 0mA, PGND = SGND, C
= 5.2V
= 5.2V
= 4.5V
= 4.5V
= 5.2V
= 4.5V
BYPASS
0.792
0.788
0.788
1.25
1.38
1.38
MIN
1.2
1.2
2.3
2.3
= 0.22µF, C
TYP
195
195
200
200
330
350
0.8
0.8
0.8
1.8
1.8
2
2
2
2
1
3
3
VL
0.808
0.812
0.812
MAX
2.70
2.10
2.20
250
290
330
315
350
630
690
2.9
2.9
4.3
4.6
10
10
= 4.7µF (ceram-
UNITS
mΩ
mΩ
mS
nA
µA
µA
V
A
A
A
A
3