參數(shù)資料
型號: ISL6752AAZA-T
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: ZVS Full-Bridge Current-Mode PWM with Adjustable Synchronous Rectifier Control
中文描述: 0.1 A DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 0.150 INCH, LEAD FREE, PLASTIC, QSOP-16
文件頁數(shù): 7/16頁
文件大?。?/td> 436K
代理商: ISL6752AAZA-T
7
FN9181.1
March 10, 2005
VADJ Delay Time
T
A
= 25°C (OUTLx Delayed)
VADJ = 0
280
300
320
ns
VADJ = 0.5V
92
105
118
ns
VADJ = 1.0V
61
70
80
ns
VADJ = 1.5V
48
55
65
ns
VADJ = 2.0V
41
50
58
ns
T
A
= 25°C (OUTLxN Delayed)
VADJ = VREF
280
300
320
ns
VADJ = VREF - 0.5V
86
100
114
ns
VADJ = VREF - 1.0V
59
68
77
ns
VADJ = VREF - 1.5V
47
55
62
ns
VADJ = VREF - 2.0V
41
48
55
ns
THERMAL PROTECTION
Thermal Shutdown
(Note 4)
130
140
150
°C
Thermal Shutdown Clear
(Note 4)
115
125
135
°C
Hysteresis, Internal Protection
(Note 4)
-
15
-
°C
NOTES:
3. Specifications at -40°Cand 105°C are guaranteed by 25°C test with margin limits.
4. Guaranteed by design, not 100% tested in production.
5. 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 - 3.
6. Adjust VDD below the UVLO stop threshold prior to setting at 7V.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic. 9V < VDD< 20V, RTD = 10.0k
, CT = 470pF, T
A
= -40°C to 105°C (Note 3), Typical values are at
T
A
= 25°C
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Typical Performance Curves
FIGURE 1. REFERENCE VOLTAGE vs TEMPERATURE
FIGURE 2. CT DISCHARGE CURRENT GAIN vs RTD CURRENT
-40
-25
-10
5
20
35
50
65
80
95
110
0.98
0.99
1
1.01
1.02
TEMPERATURE (°C)
N
0
200
400
600
800
1000
18
19
20
21
22
23
24
25
RTD CURRENT (μA)
C
ISL6752
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