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L6917B Datasheet(PDF) 4 Page - STMicroelectronics

Part # L6917B
Description  5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER
Download  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6917B Datasheet(HTML) 4 Page - STMicroelectronics

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L6917B
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Input Offset
FBR=1.100V to1.850V;
FBG=GND
-12
12
mV
SR
Slew Rate
VSEN=10pF
15
V/
µs
DIFFERENTIAL CURRENT SENSING
IISEN1,
IISEN2
Bias Current
Iload=0
45
50
55
µA
IPGNDSx
Bias Current
45
50
55
µA
IISEN1,
IISEN2
Bias Current at
Over Current Threshold
80
85
90
µA
IFB
Active Droop Current
Iload<0%
Iload=100%
47.5
0
50
1
52.5
µA
µA
GATE DRIVERS
tRISE
HGATE
High Side
Rise Time
VBOOTx-VPHASEx=10V;
CHGATEx to PHASEx=3.3nF
15
30
ns
IHGATEx
High Side
Source Current
VBOOTx-VPHASEx=10V
2
A
RHGATEx High Side
Sink Resistance
VBOOTx-VPHASEx=12V;
1.5
2
2.5
tRISE
LGATE
Low Side
Rise Time
VCCDR=10V;
CLGATEx to PGNDx=5.6nF
30
55
ns
ILGATEx
Low Side
Source Current
VCCDR=10V
1.8
A
RLGATEx
Low Side
Sink Resistance
VCCDR=12V
0.7
1.1
1.5
P GOOD and OVP/UVP PROTECTIONS
PGOOD
Upper Threshold
(VSEN/DACOUT)
VSEN Rising
108
112
116
%
PGOOD
Lower Threshold
(VSEN/DACOUT)
VSEN Falling
84
88
92
%
OVP
Over Voltage Threshold
(VSEN)
VSEN Rising
2.0
2.25
V
UVP
Under Voltage Trip
(VSEN/DACOUT)
VSEN Falling
56
60
64
%
VPGOOD
PGOOD Voltage Low
IPGOOD = -4mA
0.3
0.4
0.5
V
ELECTRICAL CHARACTERISTICS (continued)
VCC = 12V ±10%, TJ = 0 to 70°C unless otherwise specified
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit


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