Datasheet
MAX5069
High-Frequency, Current-Mode PWM Controller
with Accurate Oscillator and Dual FET Drivers
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
IN
= +23.6V for MAX5069A/B at startup, then reduces to +12V, V
IN
= +12V for the MAX5069C/D, C
IN
= C
REG5
= 0.1µF, C
VCC
= 1µF,
R
RT
= 100kΩ, NDRV_ = floating, V
FB
= 0V, V
COMP
= floating, V
CS
= 0V, T
A
= +25°C, unless otherwise noted.)
REG5 OUTPUT VOLTAGE vs. V
IN
MAX5069 toc10
V
IN
(V)
REG5 (V)
222016 18141210 24
4.976
4.977
4.978
4.979
4.980
4.981
4.982
4.983
4.984
4.985
4.975
I
REG5
= 100µA
CS TRIP THRESHOLD
vs. TEMPERATURE
MAX5069 toc11
TEMPERATURE (°C)
CS TRIP THRESHOLD (mV)
110
85603510-15
306
303
309
315
312
321
318
327
324
330
300
-40
SWITCHING FREQUENCY
vs. TEMPERATURE
MAX5069 toc12
TEMPERATURE (°C)
SWITCHING FREQUENCY (kHz)
110
856035-15
10
490
485
495
505
500
515
510
525
520
530
480
-40
f
SW
= 500kHz
TOTAL NUMBER OF
DEVICES = 200
MEAN
-3σ
+3σ
PROPAGATION DELAY FROM CS COMPARATOR
INPUT TO NDRV vs. TEMPERATURE
MAX5069 toc13
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
1108535 6010-15
32
34
36
38
40
42
44
46
48
50
30
-40
INPUT CURRENT
vs. INPUT CLAMP VOLTAGE
MAX5069 toc14
INPUT CLAMP VOLTAGE (V)
INPUT CURRENT (mA)
27.525.022.520.017.515.012.5
2
4
6
8
10
12
14
0
10.0 30.0
INPUT CLAMP VOLTAGE
vs. TEMPERATURE
MAX5069 toc15
TEMPERATURE (°C)
INPUT CLAMP VOLTAGE (V)
1108535 6010-15
25.2
25.4
25.6
25.8
26.0
26.2
26.4
26.6
26.8
27.0
25.0
-40
I
SINK
= 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
MAX5069 toc16
TEMPERATURE (
°
C)
R
ON
(Ω)
V
IN
= 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
MAX5069 toc17
TEMPERATURE (
°
C)
R
ON
(Ω)
V
IN
= 24V
SOURCING 25mA
ERROR AMPLIFIER OPEN-LOOP GAIN
AND PHASE vs. FREQUENCY
MAX5069 toc18
FREQUENCY (Hz)
GAIN (dB)
PHASE (DEGREES)
10M10 100k1k
-20
0
20
40
60
80
100
120
-40
-180
-150
-120
-90
-60
-30
0
30
-210
0.1
GAIN
PHASE