ML4841 Просмотр технического описания (PDF) - Micro Linear Corporation
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ML4841 Datasheet PDF : 15 Pages
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ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
PFC
Minimum Duty Cycle
Maximum Duty Cycle
Output Low Voltage
Output High Voltage
PWM
DC
VOL
Rise/Fall Time
Duty Cycle Range
Output Low Voltage
VOH Output High Voltage
SUPPLY
VCCZ
Rise/Fall Time
Shunt Regulator Voltage
VCCZ Load Regulation
VCCZ Total Variation
Start-up Current
Operating Current
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
CONDITIONS
VIEAO > 6.7V
VIEAO < 1.2V
IOUT = -20mA
IOUT = -100mA
IOUT = 10mA, VCC = 8V
IOUT = 20mA
IOUT = 100mA
CL = 1000pF
IOUT = -20mA
IOUT = -100mA
IOUT = 10mA, VCC = 8V
IOUT = 20mA
IOUT = 100mA
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 = (IGAIN MOD – IOFFSET) x IAC x (VEAO – 1.5V)–1.
ML4841
MIN
TYP
MAX UNITS
0
%
90
95
%
0.4
0.8
V
0.7
2.0
V
0.8
1.5
V
10
10.5
V
9.5
10
V
50
ns
0-44
0-47
0-50
%
0.4
0.8
V
0.7
2.0
V
0.8
1.5
V
10
10.5
V
9.5
10
V
50
ns
12.8
13.5
14.2
V
±100 ±200 mV
12.4
14.6
V
0.7
1.0
mA
17
21
mA
VCCZ - 1.0 VCCZ - 0.7 VCCZ - 0.4 V
2.7
3.0
3.3
V
5
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