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L6902D 数据表(PDF) 4 Page - STMicroelectronics

部件名 L6902D
功能描述  UP TO 1A SWITCHING REGULATOR WITH ADJUSTABLE CURRENT LIMIT
PDF  6 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6902D 数据表(HTML) 4 Page - STMicroelectronics

  L6902D Datasheet HTML 1Page - STMicroelectronics L6902D Datasheet HTML 2Page - STMicroelectronics L6902D Datasheet HTML 3Page - STMicroelectronics L6902D Datasheet HTML 4Page - STMicroelectronics L6902D Datasheet HTML 5Page - STMicroelectronics L6902D Datasheet HTML 6Page - STMicroelectronics  
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L6902D
4/6
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
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
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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