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MAX5069 Datasheet(PDF) 6 Page - Maxim Integrated Products

Part No. MAX5069
Description  High-Frequency, Current-Mode PWM Controller with Accurate Oscillator and Dual FET Drivers
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX5069 Datasheet(HTML) 6 Page - Maxim Integrated Products

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High-Frequency, Current-Mode PWM Controller
with Accurate Oscillator and Dual FET Drivers
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VIN = +23.6V for MAX5069A/B at startup, then reduces to +12V, VIN = +12V for the MAX5069C/D, CIN = CREG5 = 0.1µF, CVCC = 1µF,
RRT = 100k
Ω, NDRV_ = floating, VFB = 0V, VCOMP = floating, VCS = 0V, TA = +25°C, unless otherwise noted.)
REG5 OUTPUT VOLTAGE vs. VIN
VIN (V)
22
20
16
18
14
12
10
24
4.976
4.977
4.978
4.979
4.980
4.981
4.982
4.983
4.984
4.985
4.975
IREG5 = 100
µA
CS TRIP THRESHOLD
vs. TEMPERATURE
TEMPERATURE (
°C)
110
85
60
35
10
-15
306
303
309
315
312
321
318
327
324
330
300
-40
SWITCHING FREQUENCY
vs. TEMPERATURE
TEMPERATURE (
°C)
110
85
60
35
-15
10
490
485
495
505
500
515
510
525
520
530
480
-40
fSW = 500kHz
TOTAL NUMBER OF
DEVICES = 200
MEAN
-3
σ
+3
σ
PROPAGATION DELAY FROM CS COMPARATOR
INPUT TO NDRV vs. TEMPERATURE
TEMPERATURE (
°C)
110
85
35
60
10
-15
32
34
36
38
40
42
44
46
48
50
30
-40
INPUT CURRENT
vs. INPUT CLAMP VOLTAGE
INPUT CLAMP VOLTAGE (V)
27.5
25.0
22.5
20.0
17.5
15.0
12.5
2
4
6
8
10
12
14
0
10.0
30.0
INPUT CLAMP VOLTAGE
vs. TEMPERATURE
TEMPERATURE (
°C)
110
85
35
60
10
-15
25.2
25.4
25.6
25.8
26.0
26.2
26.4
26.6
26.8
27.0
25.0
-40
ISINK = 2mA
1.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
3.0
-40
35
60
-15
10
85
110
NDRVA/NDRVB OUTPUT IMPEDANCE
vs. TEMPERATURE
TEMPERATURE (°C)
VIN = 24V
SINKING 100mA
2.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
4.0
-40
35
60
-15
10
85
110
NDRVA/NDRVB OUTPUT IMPEDANCE
vs. TEMPERATURE
TEMPERATURE (°C)
VIN = 24V
SOURCING 25mA
ERROR AMPLIFIER OPEN-LOOP GAIN
AND PHASE vs. FREQUENCY
MAX5069 toc18
FREQUENCY (Hz)
10M
10
100k
1k
-20
0
20
40
60
80
100
120
-40
-180
-150
-120
-90
-60
-30
0
30
-210
0.1
GAIN
PHASE


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