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参数资料
| 型号： | MAX5069EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/19页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX5069 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，隔离 |
| 输出电压： | 12V |
| 电流 - 输出： | 10A |
| 输入电压： | 36 ~ 72V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 500kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX5069 |
High-Frequency, Current-Mode PWM Controller
with Accurate Oscillator and Dual FET Drivers
ELECTRICAL CHARACTERISTICS (continued)
(V IN = +12V for the MAX5069C/D, V IN = +23.6V for the MAX5069A/B at startup, then reduces to +12V, C IN = C REG5 = 0.1μF,
C VCC = 1μF, R RT = 100k ? , NDRV_ = floating, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
CS Input Bias Current
SYMBOL
I B_CL
V CS = 0V
CONDITIONS
MIN
0
TYP
MAX
+2
UNITS
μA
CS Blanking Time
t CS_BLANK
70
ns
Propagation Delay from
Comparator Input to NDRV_
t PD_CL
50mV overdrive
40
ns
IN CLAMP VOLTAGE
IN Clamp Voltage
V IN_CLAMP
IN sinking 2mA (Note 2)
24.0
26.0
29.0
V
ERROR AMPLIFIER (FB, COMP)
Voltage Gain
Unity-Gain Bandwidth
Phase Margin
FB Input Offset Voltage
A V
BW
PM
V OS_FB
R COMP = 100k ? to AGND
R COMP = 100k ? to AGND,
C LOAD = 100pF to AGND
R COMP = 100k ? to AGND,
C LOAD = 100pF to AGND
80
5
65
3
dB
MHz
Degrees
mV
COMP Clamp Voltage
Error-Amplifier Output Current
V COMP
I COMP
High
Low
Sinking or sourcing
2.6
0.4
0.5
3.8
1.1
V
mA
Reference Voltage
Input Bias Current
V REF
I B_EA
+25°C ≤ T A ≤ +125°C (Note 3)
-40°C ≤ T A ≤ +125°C (Note 3)
1.215
1.205
1.230
1.230
100
1.245
1.242
300
V
nA
COMP Short-Circuit Current
I COMP_SC
12
mA
THERMAL SHUTDOWN
Thermal-Shutdown Temperature
Thermal Hysteresis
T SD
T HYST
+170
25
°C
°C
OSCILLATOR SYNC INPUT (MAX5069A/D only)
SYNC High-Level Voltage
SYNC Low-Level Voltage
SYNC Input Bias Current
V IH_SYNC
V IL_SYNC
I B_SYNC
2.4
10
0.4
V
V
nA
Maximum SYNC Frequency
SYNC High-Level Pulse Width
SYNC Low-Level Pulse Width
f SYNC
t SYNC_HI
t SYNC_LO
f OSC = 2.5MHz (Note 4)
3.125
30
30
MHz
ns
ns
DIGITAL SOFT-START
Soft-Start Duration
Reference-Voltage Step
Reference-Voltage Steps During
Soft-Start
t SS
V STEP
(Note 5)
2047
9.7
127
Cycles
mV
Steps
OSCILLATOR
Oscillator Frequency Range
f OSC
f OSC = (10 11 / R RT )
50
2500
kHz
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