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L6902D Scheda tecnica(PDF) 4 Page - STMicroelectronics

Il numero della parte L6902D
Spiegazioni elettronici  UP TO 1A SWITCHING REGULATOR WITH ADJUSTABLE CURRENT LIMIT
PDF  7 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6902D Scheda tecnica(HTML) 4 Page - STMicroelectronics

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L6902D
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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
95
100
105
mV
ICS+
CS+ Output Current
IO = 1A, Rsense = 100mΩ
Vout < VCC -2V
1.5
3
µA
ICS-
CS- Output Current
IO = 1A, Rsense = 100mΩ
Vout < VCC -2V
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
510
mV
Load Regulation
IREF = 0 to 5mA
8
15
mV
Short Circuit Current
10
mA
Table 5. 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



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