参数资料
型号: MAX5003CSE+T
厂商: Maxim Integrated Products
文件页数: 3/16页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO VM 16SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 1.2MHz
占空比: 75%
电源电压: 11 V ~ 110 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
High-Voltage PWM
Power-Supply Controller
ELECTRICAL CHARACTERISTICS (continued)
(V+ = V ES = V DD = +12V, V INDIV = 2V, V CON = 0, R FREQ = R MAXTON = 200k ? , T A = T MIN to T MAX , unless otherwise noted. Typical
values are at T A = +25°C.)
PARAMETERS
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CURRENT LIMIT
CS Threshold Voltage
CS Input Bias Current
Overcurrent Delay
V CS
I CS
t D
V CON = 1.25V
0 < V CS < 0.1V
From end of blanking time 25mV overdrive
80
-1
100
240
120
+1
mV
μA
ns
CS Blanking Time
t B
70
ns
ERROR AMPLIFIER
Voltage Gain
Unity-Gain Bandwidth
Phase Margin
Output Clamp Low
Output Clamp High
A V
BW
φ
V COMPL
V COMPH
I COMP = 5μA; V COMP = 0.5V, 2.5V
R LOAD = 200k ? , C LOAD = 100pF
A VOL = 1V/V, C LOAD = 100pF
At COMP
At COMP
60
80
1.2
65
0.25
3.00
dB
MHz
degrees
V
V
FEEDBACK INPUT AND SET POINT
FB Regulation Voltage
FB Bias Current
V SET
I FB
FB = COMP, V CON = 1.5V
V FB = 1.5V
1.448
-1
1.485
0.1
1.522
+1
V
μA
FB V SET Tempco
TC FB
100
ppm/°C
UNDERVOLTAGE LOCKOUT
INDIV Undervoltage Lockout
V INDIVLO
V+ = V ES = V DD =
10.8V and 18.75V
V INDIV falling
V INDIV rising
1.15
1.23
1.20
1.32
1.25
1.45
V
INDIV Hysteresis
V HYST
125
mV
INDIV Bias Current
V INDIV = 1.28V
-1
0.01
+1
μA
MAIN OSCILLATOR—EXTERNAL MODE
FREQ Input Low
FREQ Input High
FREQ Output Low
V IL
V IH
I OL
V CON = 3.0V
V CON = 3.0V
V FREQ = 5V, V CON = 3.0V
2.7
0.8
1
V
V
μA
External Oscillator Maximum
Low Time
FREQ Range
t EXT
f FREQ
(Note 2)
8
200
13
1200
μs
kHz
Frequency Range
f S
f S = 1/4 f FREQ
50
300
kHz
FREQ HI/LO Pulse Width
MAIN OSCILLATOR—INTERNA L MODE
150
ns
FREQ Resistor Range
R FREQ
50
500
k ?
Oscillator Frequency
80
100
120
kHz
FREQ Output Current High
FREQ Output Current Low
I OH
I OL
V FREQ = 0
V FREQ = 1.5V
300
1
μA
μA
MAXIMUM DUTY CYCLE (MAXTON)
Maximum Programmable
Duty Cycle
V INDIV = 1.25V
75
%
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3
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