參數(shù)資料
型號: ISL6580CR-T
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Integrated Power Stage
中文描述: 35 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PQCC56
封裝: 8 X 8 MM, PLASTIC, QFN-56
文件頁數(shù): 8/31頁
文件大小: 1391K
代理商: ISL6580CR-T
8
CURRENT A/D CONVERTER
(Output = I
DIG
= 7-bit serial signal, first bit = START bit, 6 bit current word length (MSB first), 66MHz clock frequency)
CURRENT INFORMATION STEP
I
SENSE
step
Incremental step per LSB of voltage at I
SENSE
pin (I
SENSE
* R
SENSE
)
19.5
mV
I
SENSE
range
Voltage on the I
SENSE
pin that produces full scale output from the I
SENSE
A/D
1.25
V
DC ACCURACY
Resolution
Any Channel; Minimum Resolution for which No Missing Codes are Guaranteed
6
Bits
Differential
Nonlinearity
Any Channel; LSB max
± 1
Bits
Integral
Nonlinearity
Any Channel; LSB max
± 1
Bits
Gain Error
Any Channel; LSB max
± 1
Bits
Offset Error
Any Channel; LSB max
± 1
Bits
P CHANNEL DRAIN CURRENT SENSE (I
SENSE
)
I
SENSE
ratio
Ratio of V
SW
current to I
SENSE
current
9900
WINDOW COMPARATOR
ACTIVE TRANSIENT RESPONSE (ATR) CONFIGURATION VALUES
(sensed at the processor load)
t
ATR
ATRL and ATRH signal delay
10
ns
OUTPUT UNDER VOLTAGE/ OVER VOLTAGE RANGE OF CONFIGURATION VALUES
Over Voltage
Range of adjustment of the Over Voltage threshhold
0
+150
232
mV
Under Voltage
Range of adjustment of the Under Voltage threshhold
-232
-150
0
mV
INPUT UNDER VOLTAGE PROTECTION VALUES
When VCC is below the threshold a comparator (with hysteresis) sets a bit in the fault register. The digital controller reads the fault register and
sets PWM and NDRIVE to ground if IUVP is enabled and the fault bit is set.
Vtlh
V
CC
Threshold, low to high (sweep Vcc from 6V to 10V).
8.6
9.1
9.6
V
Vthl
V
CC
Threshold, high to low (sweep Vcc from 10V to 6V).
7.0
7.6
8.2
V
Vtlh-Vthl
V
CC
Threshold hysteresis, low to high to low (sweep V
CC
6V to 10V to 6V).
1.35
1.5
1.65
V
Idd
V
DD
current (V
DD
= 3.3V)
8.5
mA
Iref
V
REF
current (V
REF
= 2.5V)
1.3
mA
PROGRAMMABLE FUNCTIONS
CURRENT LIMIT (VOLTAGE ON THE I
SENSE
PIN THAT TRIP THE PULSE BY PULSE CURRENT LIMIT)
Step
adjustment step size
0.2
V
Range
Range of adjustment
.8
1.4
V
Default
Current Limit Default
1.0
V
TEMPERATURE SENSE (JUNCTION TEMPERATURE THAT SETS THE OVER TEMPERATURE REGISTER)
Step
Temperature Sense Step
10
°C
Range
Over Temperature adjustment Range
85
145
°C
Default
Over Temperature Default
145
°C
Electrical Specifications
V
DD
= 3.3VDC, V
CC
= 12VDC, V
DRIVE
= 5VDC, V
REF
= 2.5V, SYSCLK = 133.33MHz, SCLK = 16.67MHz,
T
A
= 25°C Unless Otherwise Specified
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6580
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