ZXRD1033NQ16TA 데이터 시트보기 (PDF) - Zetex => Diodes
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ZXRD1033NQ16TA Datasheet PDF : 28 Pages
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ZXRD1000 SERIES
ABSOLUTE MAXIMUM RATINGS
Input without bootstrap (P suffix) 20V
Input with bootstrap(N suffix)
10V
Bootstrap voltage
20V
Shutdown pin
VIN
LBSET pin
VIN
RSENSE+, RSENSE -
Power dissipation
Operating temperature
Storage temperature
VIN
610mW (Note 4)
-40 to +85°C
-55 to +125°C
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS (Unless otherwise stated) Tamb=25°C
Symbol Parameter
Conditions
Min
VIN(min)
VFB
(Note 1)
Min. Operating Voltage
Feedback Voltage
TDRIVE
Gate Output Drive Capability
No Output Device
4.5
VIN=5V,IFB=1mA
4.5<VIN<18V
50µA<IFB<1mA,VIN=5V
CG=2200pF(Note 2)
CG=1000pF
VIN=4.5V to maximim
supply (Note 3)
1.215
1.213
1.215
ICC
Supply Current
VIN=5V
Shutdown Current
VSHDN = 0V;VIN=5V
fosc
Operating frequency range
50
(Note 5) Frequency with timing capacitor C3=1300pF
C3=330pF
fosc(tol)
Oscillator Tol.
DC MAX Max Duty Cycle
N Channel
15
P Channel
0
VRSENSE RSENSE voltage differential
-40 to +85°C
VCMRSENSE Common mode range of VRSENSE -40 to +85°C
2
LBFSET Low Battery Flag set voltage
1.5
LBFOUT Low Battery Flag output
Active Low
LBFHYST Low Battery Flag Hysteresis
10
LBFSINK Low Battery Flag Sink Current -40 to +85°C
VSHDN
Shutdown Threshold Voltage Low(off)
High(on)
1.5
ISHDN
Shutdown Pin Source Current
Typ
1.24
1.24
1.24
60
35
16
15
50
200
50
0.2
20
10
Max
1.265
1.267
1.265
Unit
V
V
V
V
ns
ns
20
mA
50
µA
300 kHz
±25 %
94
%
100 %
mV
VIN
V
VIN
V
0.4 V
50
mV
2
mA
0.25 V
V
µA
Note 1. VFB has a different function between fixed and adjustable controller options.
Note 2. 2200pF is the maximum recommended gate capacitance.
Note 3. Maximum supply for P phase controllers is 18V,maximum supply for N phase controllers is 10V.
Note 4. See VIN derating graph in Typical Characteristics.
Note 5. The maximum frequency in this application is 300kHz. For higher frequency operation contact Zetex
Applications Department.
2
ISSUE 4 - OCTOBER 2000
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