参数资料
型号: ISL6752/54EVAL1Z
厂商: Intersil
文件页数: 7/16页
文件大小: 0K
描述: BOARD DEMO FOR ISL6752 ISL6754
标准包装: 1
主要目的: 电源,ATX
输出及类型: 1,隔离
输出电压: 12V
电流 - 输出: 50A
输入电压: 350 ~ 450 V
稳压器拓扑结构: 全桥式
板类型: 完全填充
已供物品:
已用 IC / 零件: ISL6752,ISL6754
ISL6752
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” on page 2
and “Typical Application - High Voltage Input Primary Side Control ZVS Full-Bridge Converter” on page 3 and
“Typical Application - High Voltage Input Secondary Side Control ZVS 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
VADJ Delay Time
T A = +25°C (OUTLx Delayed) (Note 6)
VADJ = 0
VADJ = 0.5V
VADJ = 1.0V
VADJ = 1.5V
VADJ = 2.0V
280
92
61
48
41
300
105
70
55
50
320
118
80
65
58
ns
ns
ns
ns
ns
T A = +25°C (OUTLxN Delayed)
VADJ = VREF
VADJ = VREF - 0.5V
VADJ = VREF - 1.0V
VADJ = VREF - 1.5V
VADJ = VREF - 2.0V
280
86
59
47
41
300
100
68
55
48
320
114
77
62
55
ns
ns
ns
ns
ns
THERMAL PROTECTION
Thermal Shutdown
Thermal Shutdown Clear
Hysteresis, Internal Protection
(Note 3)
(Note 3)
(Note 3)
130
115
-
140
125
15
150
135
-
°C
°C
°C
NOTES:
3. Limits established by characterization and are not production tested..
4. This is the maximum duty cycle achievable using the specified values of RTD and CT. Larger or smaller maximum duty cycles may be obtained
using other values for these components. See Equations 1 through 3.
5. Adjust VDD below the UVLO stop threshold prior to setting at 7V.
6. When OUTx is delayed relative to OUTLxN (VADJ < 2.425V), the delay duration as set by VADJ should not exceed 90% of the CT discharge
time (deadtime) as determined by CT and RTD.
Typical Performance Curves
1.02
1.01
1.00
0.99
25
24
23
22
21
20
19
0.98
-40
-25
-10
5
20
35
50
65
80
95
110
18
0
200
400
600
800
1000
TEMPERATURE (°C)
FIGURE 1. REFERENCE VOLTAGE vs TEMPERATURE
7
RTD CURRENT (μA)
FIGURE 2. CT DISCHARGE CURRENT GAIN vs RTD CURRENT
FN9181.3
October 31, 2008
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