OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

MAX5041EAI+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26
MAX5038/MAX5041
Dual-Phase, Parallelable, Average Current-Mode
Controllers
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +5V, circuit of Figure 1, T
A
= -40°C to +85°C, unless otherwise noted. Typical specifications are at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
3dB Bandwidth f
3dB
C
DIFF
= 20pF 3 MHz
Minimum Output Current Drive
I
OUT
(
DIFF
)
1.0 mA
SENSE+ to SENSE- Input
Resistance
R
VS
_50
100
kΩ
VOLTAGE-ERROR AMPLIFIER (EAOUT)
Open-Loop Gain
A
VOL
(
EA
)
70 dB
Unity-Gain Bandwidth f
UGEA
3MHz
EAN Input Bias Current I
B(EA)
V
EAN
= +2.0V
-100 +100
nA
Error-Amplifier Output Clamping
Voltage
V
CLAMP
(
EA
)
With respect to V
CM
810
918 mV
THERMAL SHUTDOWN
Thermal Shutdown T
SHDN
150
°C
Thermal-Shutdown Hysteresis 8°C
EN INPUT
EN Input Low Voltage V
ENL
1V
EN Input High Voltage V
ENH
3V
EN Pullup Current I
EN
4.5 5 5.5 µA
Note 1: Specifications from -40°C to 0°C are guaranteed by characterization but not production tested.
Note 2: Guaranteed by design. Not production tested.
Note 3: See Peak-Current Comparator section.
MAX5038/MAX5041
Dual-Phase, Parallelable, Average Current-Mode
Controllers
_______________________________________________________________________________________ 5
EFFICIENCY vs. OUTPUT CURRENT AND
INTERNAL OSCILLATOR FREQUENCY
MAX5038/41 toc01
I
OUT
(A)
η (%)
4844403632282420161284
50
60
70
80
90
100
40
052
f = 500kHz
f = 250kHz
V
IN
= +5V
V
OUT
= +1.8V
EFFICIENCY vs. OUTPUT CURRENT
AND INPUT VOLTAGE
MAX5038/41 toc02
I
OUT
(A)
η (%)
4844403632282420161284
50
40
30
20
10
60
70
80
90
100
0
052
V
IN
= +12V
V
IN
= +5V
V
OUT
= +1.8V
f
SW
= 250kHz
EFFICIENCY vs. OUTPUT CURRENT
MAX5038/41 toc03
I
OUT
(A)
η (%)
4844403632282420161284
50
40
30
20
10
60
70
80
90
100
0
052
V
IN
= +24V
V
OUT
= +1.8V
f
SW
= 125kHz
EFFICIENCY vs. OUTPUT CURRENT
AND OUTPUT VOLTAGE
MAX5038/41 toc04
I
OUT
(A)
η (%)
4844403632282420161284
50
40
30
20
10
60
70
80
90
100
0
052
V
OUT
= +1.1V
V
OUT
= +1.5V
V
OUT
= +1.8V
V
IN
= +12V
f
SW
= 250kHz
EFFICIENCY vs. OUTPUT CURRENT
AND OUTPUT VOLTAGE
MAX5038/41 toc05
I
OUT
(A)
η (%)
4844403632282420161284
50
40
30
20
10
60
70
80
90
100
0
052
V
OUT
= +1.1V
V
OUT
= +1.5V
V
OUT
= +1.8V
V
IN
= +5V
f
SW
= 500kHz
SUPPLY CURRENT
vs. FREQUENCY AND INPUT VOLTAGE
MAX5038/41 toc06
FREQUENCY (kHz)
I
CC
(mA)
550500400 450200 250 300 350150
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
6.0
100 600
V
IN
= +24V
V
IN
= +12V
V
IN
= +5V
EXTERNALCLOCK
NO DRIVER LOAD
SUPPLY CURRENT
vs. TEMPERATURE AND FREQUENCY
MAX5038/41 toc07
TEMPERATURE (°C)
I
CC
(mA)
603510-15
10
20
30
40
50
60
70
80
90
100
0
-40 85
250kHz
125kHz
V
IN
= +12V
C
DL_
= 22nF
C
DH_
= 8.2nF
SUPPLY CURRENT
vs. TEMPERATURE AND FREQUENCY
MAX5038/41 toc08
TEMPERATURE (°C)
I
CC
(mA)
603510-15
50
75
100
125
150
175
25
-40 85
600kHz
500kHz
V
IN
= +5V
C
DL_
= 22nF
C
DH_
= 8.2nF
SUPPLY CURRENT
vs. LOAD CAPACITANCE PER DRIVER
MAX5038/41 toc09
C
DRIVER
(nF)
I
CC
(mA)
13117 953
10
20
30
40
50
60
70
80
90
100
0
115
V
IN
= +12V
f
SW
= 250kHz
Typical Operating Characteristics
(Circuit of Figure 1. T
A
= +25°C, unless otherwise noted.)
MAX5038/MAX5041
Dual-Phase, Parallelable, Average Current-Mode
Controllers
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 1, T
A
= +25°C, unless otherwise noted.)
CURRENT-SENSE THRESHOLD
vs. OUTPUT VOLTAGE
MAX5038/41 toc10
V
OUT
(V)
(V
CSP_
- V
CSN_
) (mV)
1.71.61.4 1.51.2 1.31.1
46
47
48
49
50
51
52
53
54
55
45
1.0 1.8
PHASE 2
PHASE 1
OUTPUT VOLTAGE vs. OUTPUT CURRENT
AND ERROR AMP GAIN (R
F
/ R
IN
)
MAX5038/41 toc11
I
LOAD
(A)
V
OUT
(V)
5045403530252015105
1.65
1.70
1.75
1.80
1.85
1.60
055
V
IN
= +12V
V
OUT
= +1.8V
R
F
/ R
IN
= 15
R
F
/ R
IN
= 12.5
R
F
/ R
IN
= 10
R
F
/ R
IN
= 7.5
DIFFERENTIAL AMPLIFIER BANDWIDTH
MAX5038/41 toc12
FREQUENCY (MHz)
GAIN (V/V)
PHASE (deg)
10.1
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
0.01 10
-225
-270
-180
-135
-90
-45
0
45
90
PHASE
GAIN
DIFF OUTPUT ERROR
vs. SENSE+ TO SENSE- VOLTAGE
MAX5038/41 toc13
∆V
SENSE
(V)
ERROR (%)
1.91.81.1 1.2 1.3 1.5 1.61.4 1.7
0.025
0.050
0.075
0.100
0.125
0.150
0.175
0.200
0
1.0 2.0
V
IN
= +12V
NO DRIVER
V
CC
LOAD REGULATION
vs. INPUT VOLTAGE
MAX5038/41 toc14
I
CC
(mA)
V
CC
(V)
13512015 30 45 75 9060 105
4.85
4.90
4.95
5.00
5.05
5.10
5.15
5.20
4.80
0 150
V
IN
= +24V
V
IN
= +12V
V
IN
= +8V
DC LOAD
V
CC
LINE REGULATION
MAX5038/41 toc15
V
IN
(V)
V
CC
(V)
262420 2212 14 16 1810
4.80
4.85
4.90
4.95
5.00
5.05
5.10
5.15
5.20
5.25
4.75
828
I
CC
= 0
I
CC
= 40mA
V
CC
LINE REGULATION
MAX5038/41 toc16
V
IN
(V)
V
CC
(V)
13.012.09.0 10.0 11.0
4.80
4.85
4.90
4.95
5.00
5.05
5.10
5.15
5.20
5.25
4.75
8.0
I
CC
= 80mA
DRIVER RISE TIME
vs. DRIVER LOAD CAPACITANCE
MAX5038/41 toc17
C
DRIVER
(nF)
t
R
(ns)
312616 21116
10
20
30
40
50
60
70
80
90
100
110
120
0
136
DL_
DH_
V
IN
= +12V
f
SW
= 250kHz
DRIVER FALL TIME
vs. DRIVER LOAD CAPACITANCE
MAX5038/41 toc18
C
DRIVER
(nF)
t
F
(ns)
312616 21116
10
20
30
40
50
60
70
80
90
100
110
120
0
136
DL_
DH_
V
IN
= +12V
f
SW
= 250kHz
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26

MAX5041EAI+T

Mfr. #:
Buy MAX5041EAI+T
Manufacturer:
Maxim Integrated
Description:
Switching Controllers Dual-Phase Parallelable Average
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet