MAX5088ATE+T Maxim Integrated Products, MAX5088ATE+T Datasheet - Page 3
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MAX5088ATE+T
Manufacturer Part Number
MAX5088ATE+T
Description
IC DC-DC CONV BUCK 16TQFN
Manufacturer
Maxim Integrated Products
Type
Step-Down (Buck)r
Datasheet
1.MAX5089ATE.pdf
(24 pages)
Specifications of MAX5088ATE+T
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
0.6 ~ 20 V
Current - Output
2A
Frequency - Switching
200kHz ~ 2.2MHz
Voltage - Input
4.5 ~ 23 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-TQFN Exposed Pad
Power - Output
2.67W
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ELECTRICAL CHARACTERISTICS (continued)
(V+ = V
values are at T
SOFT-START
Digital Soft-Start Period
Soft-Start Steps
ERROR AMPLIFIER (FB and COMP)
FB to COMP Transconductance
FB Input Bias Current
FB Input Voltage Set Point
COMP Sink-and-Source Current
Capability
INTERNAL MOSFETs
On-Resistance n-Channel Power
MOSFET
Leakage Current
Minimum Output Current
Current Limit
On-Resistance Internal Low-Side
Switch
SYNCHRONOUS RECTIFIER DRIVER (DL) (MAX5089 Only)
On-Resistance nMOS
On-Resistance pMOS
Peak Sink Current
Peak Source Current
OSCILLATOR (OSC)/SYNCHRONIZATION (SYNC)/CLOCK OUTPUT (CKO) (MAX5088 Only)
Clock Output-High Level
Clock Output-Low Level
Switching Frequency
Minimum Controllable On-Time
Maximum Duty Cycle
L
= 5V or V+ = 5.5V to 23V, V
PARAMETER
A
= T
J
_______________________________________________________________________________________
= +25°C.) (Note 1)
2.2MHz, 2A Buck Converters with an
EN
I
IDL_SOURCE
SYMBOL
I
R
R
R
t
IDL_SINK
= 5V, T
V
V
ON_MIN
I
D
I
I
ONLSW
COMP
ONDLN
ONDLP
I
R
LEAK
LIMIT
CKOH
CKOL
V
f
OUT
g
I
SW
MAX
FB
ON
FB
M
A
= T
Internal 6-bit DAC
V+ = V
V
SOURCE = PGND
V
I
I
I
V
V
V+ = V
f
J
SWITCH
SINK
SOURCE
SW
EN
OUT
L
L
= -40°C to +125°C, unless otherwise noted. Circuits of Figures 5 and 6. Typical
Integrated High-Side Switch
= 5.2V, I
= 5.2V, I
= 2.2MHz
= 0V, V
= 0.1A
= 3.3V, V+ = 12V (Note 2)
L
L
= 50mA, V+ = V
= 5.2V
= 5.2V, I
= 0.1A
SOURCE
SINK
DRAIN
CONDITIONS
= 5mA
SINK
= 23V,
MAX5088
MAX5089
R
R
R
= 5mA
OSC
OSC
OSC
= 100mA
L
= 5.62kΩ
= 41.2kΩ
= 10kΩ
= 5.2V
0.5940
1900
1130
1.20
3.54
MIN
100
275
2.2
82
82
0.601
0.150
4096
2100
1250
TYP
0.75
87.5
87.5
150
312
120
1.8
2.8
1.9
64
20
2
1
1
0.6095
0.302
MAX
2400
1380
2.75
11.1
250
350
3.5
6.7
0.4
20
38
periods
UNITS
Clock
Steps
kHz
mS
nA
µA
µA
ns
%
Ω
Ω
Ω
Ω
V
A
A
A
A
V
V
3