MAX5068 Maxim Integrated Products, MAX5068 Datasheet - Page 6

• Manufacturer Part Number: MAX5068
• Description: Current-Mode PWM Controller
• Manufacturer: Maxim Integrated Products

High-Frequency, Current-Mode PWM Controller
with Accurate Programmable Oscillator
(V
C
6
VCC
IN
4.985
4.984
4.983
4.982
4.981
4.980
4.979
4.978
4.977
4.976
4.975
_______________________________________________________________________________________
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
= +12V for the MAX5068B/E/F; V
PROPAGATION DELAY FROM CS COMPARATOR
50
48
46
44
42
40
38
36
34
32
30
= 1µF; R
-40
-40
10
V
SINKING 100mA
INPUT TO NDRV vs. TEMPERATURE
IN
I
REG5
REG5 OUTPUT VOLTAGE vs. V
= 24V
-15
12
-15
NDRV OUTPUT IMPEDANCE
= 100µA
RT
vs. TEMPERATURE
14
= 100kΩ; NDRV = floating; V
10
10
TEMPERATURE (°C)
TEMPERATURE (°C)
16
V
35
35
IN
(V)
18
60
60
20
85
85
22
IN
110
110
IN
24
= +23.6V for MAX5068A/C/D at startup, then reduces to +12V; C
FB
= 0; V
Typical Operating Characteristics (continued)
4.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
330
327
324
321
315
312
309
306
303
300
14
12
10
318
8
6
4
2
0
10.0
-40
-40
COMP
V
SOURCING 25mA
IN
12.5
= 24V
-15
-15
vs. INPUT CLAMP VOLTAGE
NDRV OUTPUT IMPEDANCE
= floating; V
15.0
INPUT CLAMP VOLTAGE (V)
CS TRIP THRESHOLD
vs. TEMPERATURE
vs. TEMPERATURE
10
INPUT CURRENT
10
TEMPERATURE (°C)
TEMPERATURE (°C)
17.5
35
35
20.0
CS
22.5
60
60
= 0; T
25.0
85
85
A
27.5
= +25°C, unless otherwise noted.)
110
110
30.0
27.0
26.8
26.6
26.4
26.2
26.0
25.8
25.6
25.4
25.2
25.0
120
100
-20
-40
520
515
510
505
500
495
490
485
480
475
470
80
60
40
20
0
-40
-40
0.1
f
ERROR AMPLIFIER OPEN-LOOP GAIN
-3σ
I
SW
+3σ
SINK
MEAN
-15
= 500kHz
-15
= 2mA
AND PHASE vs. FREQUENCY
SWITCHING FREQUENCY
INPUT CLAMP VOLTAGE
10
vs. TEMPERATURE
vs. TEMPERATURE
10
10
TEMPERATURE (°C)
TEMPERATURE (°C)
FREQUENCY (Hz)
PHASE
1k
IN
35
35
GAIN
= C
TOTAL NUMBER OF
DEVICES = 200
60
60
100k
REG5
85
85
= 0.1µF;
10M
110
110
30
0
-30
-60
-90
-120
-150
-180
-210