参数资料
型号: ISL6742AAZA
厂商: Intersil
文件页数: 6/18页
文件大小: 0K
描述: IC REG CTRLR PWM CM/VM 16-QSOP
标准包装: 98
PWM 型: 电流/电压模式
输出数: 4
频率 - 最大: 2MHz
占空比: 100%
电源电压: 9 V ~ 16 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: 16-SSOP(0.154",3.90mm 宽)
包装: 管件
产品目录页面: 1243 (CN2011-ZH PDF)
ISL6742
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” on page 2,
“Typical Application - Telecom Primary Side Control Half-Bridge Converter with Synchronous Rectification” on
page 3 and “Typical Application - High Voltage Input Secondary Side Control Full-Bridge Converter” on page 4.
9V < VDD < 20V, RTD = 10.0k Ω , CT = 470pF, T A = -40°C to +105°C, Typical values are at T A = +25°C.
Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature
limits established by characterization and are not production tested. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
RAMP
RAMP Sink Current Device Impedance
RAMP to PWM Comparator Offset
Bias Current
Clamp Voltage
V RAMP = 1.1V
T A = +25°C
V RAMP = 0.3V
(Note 3)
-
65
-5.0
6.5
-
80
-
-
20
95
-2.0
8.0
Ω
mV
μA
V
SOFT-START
Charging Current
SS Clamp Voltage
SS Discharge Current
Reset Threshold Voltage
SS = 3V
SS = 2V
T A = +25°C
-60
4.410
10
0.23
-70
4.500
-
0.27
-80
4.590
-
0.33
μA
V
mA
V
ERROR AMPLIFIER
Input Common Mode (CM) Range
GBWP
VERR VOL
VERR VOH
VERR Pull-Up Current Source
EA Reference
EA Reference + EA Input Offset Voltage
(Note 3)
(Note 3)
I LOAD = 2mA
I LOAD = 0mA
VERR = 2.50V
T A = +25°C
0
5
-
4.20
0.8
0.594
0.590
-
-
-
-
1.0
0.600
0.600
VREF
-
0.4
-
1.3
0.606
0.612
V
MHz
V
V
mA
V
V
PULSE WIDTH MODULATOR
Minimum Duty Cycle
Maximum Duty Cycle (Per Half-cycle)
VERR < 0.6V
VERR = 4.20V, V RAMP = 0V,
-
-
-
94
0
-
%
%
V CS = 0V (Note 4)
Zero Duty Cycle VERR Voltage
RTD = 2.00k Ω , CT = 220pF
RTD = 2.00k Ω , CT = 470pF
-
-
0.85
97
99
-
-
-
1.20
%
%
V
VERR to PWM Comparator Input Offset
VERR to PWM Comparator Input Gain
Common Mode (CM) Input Range
T A = +25°C
(Note 3)
0.7
0.31
0
0.8
0.33
-
0.9
0.35
4.45
V
V/V
V
OSCILLATOR
Frequency Accuracy, Overall
Frequency Variation with VDD
Temperature Stability
(Note 3)
T A = +25°C, (F 20V - - F 10V )/F 10V
VDD = 10V, |F -40°C - F 0°C |/F 0°C
165
-10
-
-
183
-
0.3
4.5
201
+10
1.7
-
kHz
%
%
%
(Note 3)
|F 0°C - F 105°C |/F 25°C
-
1.5
-
%
(Note 3)
Charge Current
Discharge Current Gain
T A = +25°C, V CS = 1.8V
-193
19
-200
21
-207
23
μA
μA/μA
6
FN9183.2
October 31, 2008
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