参数资料
型号: ISL6551ABZ-T
厂商: Intersil
文件页数: 6/26页
文件大小: 0K
描述: IC REG CTRLR FLYBACK PWM 28-SOIC
标准包装: 1,000
PWM 型: 电流模式
输出数: 6
频率 - 最大: 1MHz
占空比: 50%
电源电压: 10.8 V ~ 13.2 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 105°C
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
包装: 带卷 (TR)
ISL6551
Electrical Specifications
These specifications apply for VDD = VDDP = 12V and T A = 0°C to 85°C (ISL6551IB) or -40°C to 105°C
(ISL6551AB), Unless Otherwise Stated (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
PWM DELAYS (Note 4)
LOW1,2 delay “Rising”
LOW1,2 delay “Falling”
SYNC1,2 delay “Falling”
SYNC1,2 delay “Rising”
LOWR
LOWF
SYNCF
SYNCR
With respect to RESDLY rising
Compare Delay @ Verror = Vramp
With respect to RESDLY falling and with 20pF load
With respect to CLK rising and with 20pF load
5
44
18
20
ns
ns
ns
ns
ERROR AMPLIFIER (EANI, EAI, EAO) (Note 4)
Unity Gain Bandwidth
DC Gain
Maximum Offset Error Voltage
UGBW
DCG
Vos
10
79
3.1
MHz
dB
mV
Input Common Mode Range
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Maximum Output Source Current
Maximum Lower Saturation Voltage
Vcm
CMMR
PSSR
ISRC
Vsatlow
VDD = 12V
1mA load
Sinking 0.27mA
0.4
2
82
95
9
125
V
dB
dB
mA
mV
RAMP ADJUST (R_RA) (Note 4)
Ramp Frequency
Linear Voltage Ramp, Minimum
Linear Voltage Ramp, Maximum
Overall Variation
F
LVR
100
50
250
25
1000
kHz
mV
mV
%
PEAK CURRENT LIMIT (PKILIM)
Peak Current Shutdown Threshold
IpkThr
BGREF = 0.1 μ F, 399k ? pull-up
1.25
1.263
1.31
V
Peak Current Shutdown Delay
IpkDel
75
ns
(Note 4)
SOFT-START (CSS)
Charge Current
Discharge Current
Cycle-by-Cycle Current Limit
Iss
Idis
Vclamp
Vcss = 0.6V
8
1.6
2
12
5.2
8
μ A
mA
V
(ISL6551IB)
Cycle-by-Cycle Current Limit
Vclamp
1.9
8.1
V
(ISL6551AB)
DRIVERS (UPPER1, UPPER2, LOWER1, LOWER2)
Maximum Capacitive Load (each)
CL
VDD = VDDP = 12V, F = 1MHz,
1600
pF
Thermal Dependence
Turn On Rise Time (ISL6551IB)
Turn On Rise Time (ISL6551AB)
Turn Off Fall Time (ISL6551IB)
Tr
Tr
Tf
1.0nF Capacitive load
1.0nF Capacitive load
1.0nF Capacitive load
8.9
9.2
6.4
16
17
10
ns
ns
ns
Turn Off Fall Time (ISL6551AB)
Shutdown Delay (Note 4)
Rising Edge Delay (Note 4)
Falling Edge Delay (Note 4)
Vsat_sourcing
Tf
T SD
T RD
T FD
Vsat_high
1.0nF Capacitive load
1.0nF Capacitive load
1.0nF Capacitive load
1.0nF Capacitive load
Sourcing 20mA
Sourcing 200mA
14.5
16.4
13.7
12
1.00
1.35
ns
ns
ns
ns
V
V
6
FN9066.5
January 3, 2006
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