L6902D(2002) データシートの表示（PDF） - STMicroelectronics
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L6902D Datasheet PDF : 6 Pages
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L6902D
ELECTRICAL CHARACTERISTCS (continued)
(Tj = 25°C, VCC = 12V, unless otherwise specified.) (•) Specification Referred to Tj from 0 to 125°C.
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
VOLTAGE ERROR AMPLIFIER
VOH High level output voltage
VFB = 1V
3.6
V
VOL Low level output voltage
VFB = 1.5
0.4
V
Io source Source output current
Vcomp = 1.9V; VFB = 1V
200 300
µA
Io sink Sink output current
Vcomp = 1.9V; VFB = 1.5V
1
1.5
mA
Ib
Source bias current
2.5
4
µA
DC open loop gain
RL = 0
50
58
dB
gm Transconductance
Icomp = -0.1 to 0.1mA
Vcomp = 1.9V
2.3
mS
CURRENT ERROR AMPLIFIER
Voffs Input offset voltage
VCS- = 1.8V; VCS+ = Vcomp
90
100 110 mV
ICS+ CS+ Output Current
ICS- CS- Output Current
IO = 1A, Rsense = 100mΩ
Vout < VCC -2V
IO = 1A, Rsense = 100mΩ
Vout < VCC -2V
1.5
3
µA
1.5
3
µA
REFERENCE SECTION
Reference Voltage
3.234 3.3 3.366 V
IREF = 0 to 5mA
VCC = 8V to 36V
• 3.2
3.3 3.399 V
Line Regulation
IREF = 0mA
VCC = 8V to 36V
5
10
mV
Load Regulation
IREF = 0 to 5mA
8
15
mV
Short Circuit Current
10
mA
4/6
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