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L6730B データシート(PDF) 12 Page - STMicroelectronics

部品番号 L6730B
部品情報  Adjustable step-down controller with synchronous rectification
PDF  52 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6730B データシート(HTML) 12 Page - STMicroelectronics

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Electrical characteristics
L6730 - L6730B
12/52
Doc ID 11938 Rev 3
IFB
I.I. bias current
VFB = 0V
0.290
0.5
μA
Ext Ref Clamp
2.3
V
VOFFSET
Error amplifier offset
Vref = 0.6V
-5
+5
mV
GV
Open loop voltage gain
Guaranteed by design
100
dB
GBWP
Gain-bandwidth product
Guaranteed by design
10
MHz
SR
Slew-rate
COMP = 10pF
Guaranteed by design
5V/
μs
Gate drivers
RHGATE_ON
High side source resistance
VBOOT - VPHASE = 5V
1.7
Ω
RHGATE_OFF
High side sink resistance
VBOOT - VPHASE = 5V
1.12
Ω
RLGATE_ON
Low side source resistance
VCCDR = 5V
1.15
Ω
RLGATE_OFF
Low side sink resistance
VCCDR = 5V
0.6
Ω
Protections
IOCH
OCH current source
VOCH = 1.7V
90
100
110
μA
IOCL
OCL current source
90
100
110
μA
OVP
Over voltage trip
(VFB / VEAREF)
VFB rising
VEAREF = 0.6V
120
%
VFB falling
VEAREF = 0.6V
117
%
IOSC
OSC sourcing current
VFB > OVP Trip VOSC = 3V
30
mA
Power Good
Upper threshold
(VFB / VEAREF)
VFB rising
108
110
112
%
Lower threshold
(VFB / VEAREF)
VFB falling
88
90
92
%
VPGOOD
PGOOD voltage low
IPGOOD = -5mA
0.5
V
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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