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ML34063NG Datasheet(PDF) 2 Page - Minilogic Device Corporation Limited

Part # ML34063NG
Description  DC-to-DC Converter Control Circuit
PDF  5 Pages
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Manufacturer  MINILOGIC [Minilogic Device Corporation Limited]
Direct Link  http://www.minilogic.com.hk
Logo MINILOGIC - Minilogic Device Corporation Limited

ML34063NG Datasheet(HTML) 2 Page - Minilogic Device Corporation Limited

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P2/5
Rev B, June 2005
ML34063
Absolute Maximum Ratings
Parameter
Symbol
Ratings
Units
Input Voltage
VIN
35
V
Comparator Input Voltage Range
VIR
-0.3 to 35
V
Switch Collector Voltage
VC(Switch)
35
V
Switch Emitter Voltage (VPin 1 = 35V)
VE(Switch)
35
V
Switch Collector to Emitter Voltage
VCE(Switch)
35
V
Drive Collector Voltage
VC(Drive)
35
V
Switch Collector Current
IC(Switch)
100
mA
Switch Current
ISW
1.5
A
PDIP-8
1250
Power Dissipation at
TA = 25
oC
SO-8
Pd
625
mW
PDIP-8
100
Thermal Resistance
SO-8
160
oC/W
Operating Ambient Temperature
Topr
-0 ~ +70
oC
Storage Temperature
Tstg
-65 ~ +150
oC
Electrical Characteristics (VCC = 5V, TA = 25OC, CT = 1nF, unless otherwise specified.)
Oscillator
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Frequency
fOSC
VPin 5 = 0V
24
33
42
kHz
Charge Current
Ichg
VCC = 5.0V to 35V
24
35
42
uA
Discharge Current
Idichg
VCC = 5.0V to 35V
140
220
260
uA
Discharge to Charge Current Ratio
Idischg/Ichg
Pin 7 to VCC,
5.2
6.5
7.5
Current Limit Sense Voltage
Vipk(sense)
Ichg = Idischg
250
300
350
mV
Output Switch (Note1)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Saturation Voltage, Darlington
Connection
VCE(sat)
ISW = 1.0A, Pins 1, 8 connected
1.0
1.3
V
Saturation Voltage (Note 6)
VCE(sat)
ISW = 1.0A, RPin 8 = 82 ohm to VCC,
0.45
0.7
V
DC Current Gain
hFE
ISW = 1.0A, VCE = 5.0V
50
75
Collector Off-State Current
IC(off)
VCE = 35V
0.01
100
uA
Comparator
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Threshold Voltage
Vth
1.225
1.25
1.275
V
Total Device
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Supply Current
Icc
VCC = 5.0V to 35V,
Pin 7 = VCC,, Vpin5 > Vth,,
Pin2 = GND, remaining pins open
4.0
mA
Note : 1. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient
temperatures possible.



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