參數資料
型號: L6788A
廠商: STMICROELECTRONICS
元件分類: 電源管理
英文描述: 3-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40
封裝: 6 X 6 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFN-40
文件頁數: 4/18頁
文件大?。?/td> 330K
代理商: L6788A
Electrical specifications
L6788A
12/18
Doc ID 15341 Rev 2
Reference and DAC
VOUT
Output voltage accuracy
VOUT > 0.800 V; RIREF=12.4 kΩ
-2
-
2
%
IRX
RX source current
RIREF = 12.4 kΩ resistor to AGND.
100
μA
VIREF
IREF pin voltage
RIREF = 12.4 kΩ resistor to AGND.
1.240
V
5VCC
Accuracy
I5VCC = 2 mA to 20 mA; C = 1 F
to PGND.
-2.5
2.5
%
Maximum output current
C = 1 F to PGND.
25
mA
VID
VID threshold; PVID mode
Input low
0.7
V
Input high
1.3
V
Pull-down current
VIDx to 3.3 V
10
μA
Protections
OCPAVG
Over current threshold
on total output current
IOUT/OCP rising
1.700
V
IOCTH
Over current threshold
for each phase
ICSX- rising;
RIREF = 12.4 kΩ resistor to AGND.
33
μA
OVP
Over voltage threshold
VSEN rising;
% programmed reference voltage
140
%
UVP
Under voltage threshold
VSEN falling;
% programmed reference voltage
50
%
Thermal monitor
VTCS
OT warning
TCS rising
1.500
V
OT shut down
TCS rising
2.500
V
Soft-start end indicator
VPOK
POK low voltage
I = -4 mA
0.4
V
Error amplifier
AO
100
dB
GBWP
Gain bandwidth product
15
MHz
SR
Slew rate
COMP = 10 pF to AGND
2
V/
μs
Gate drivers
IUGATEx
High side source current
BOOTx-PHASEx = 12 V;
CUGATEx to PHASEx = 3.3 nF
1.5
A
RUGATEx
High side sink resistance
BOOTx-PHASEx = 12 V;
2
Ω
ILGATEx
Low side source current
VCC1_IC=VCC2_DR = 12 V;
CLGATEx to PGND = 5.6 nF
2A
RLGATEx
Low side sink resistance
VCC1_IC = VCC2_DR = 12 V;
1
Ω
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
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