ML4826 查看數據表（PDF） - Micro Linear Corporation
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ML4826 Datasheet PDF : 16 Pages
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ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
PFC
Minimum Duty Cycle
Maximum Duty Cycle
Output Low Voltage
Output High Voltage
PWM
Rise/Fall Time
Duty Cycle Range
Output Low Voltage
Output High Voltage
SUPPLY
Rise/Fall Time
Shunt Regulator Voltage (VCCZ)
VCCZ Load Regulation
VCCZ Total Variation
Start-up Current
Operating Current
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
CONDITIONS
ML4826-1, VIEAO > 4.0V
ML4826-2, VIEAO > 5.7V
VIEAO < 1.2V
IOUT = –20mA
IOUT = –50mA
IOUT = 10mA, VCC = 8V
IOUT = 20mA
IOUT = 50mA
CL = 1000pF
IOUT = –20mA
IOUT = –50mA
IOUT = 10mA, VCC = 8V
IOUT = 20mA
IOUT = 50mA
CL = 1000pF
25mA < ICC < 55mA
Load, temp
VCC = 11.2V, CL = 0
VCC < VCCZ – 0.5V, CL = 0
Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
Note 2: Includes all bias currents to other circuits connected to the VFB pin.
Note 3: Gain = K x 5.3V; K = (IGAINMOD - IOFFSET) x IAC x (VEAO - 1.5V)-1.
ML4826
MIN
TYP
MAX UNITS
0
%
0
%
90
95
%
0.4
0.8
V
0.6
3.0
V
0.7
1.5
V
9.5
10.5
V
9.0
10
V
50
ns
0-47
0-48
0-50
%
0.4
0.8
V
0.6
3.0
V
0.7
1.5
V
9.5
10.5
V
9.0
10
V
50
ns
12.8
13.5
14.2
V
±150 ±300 mV
12.4
14.6
V
0.7
1.1
mA
22
28
mA
12
13
14
V
2.65
3.0
3.35
V
5
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