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參數(shù)資料
| 型號(hào)： | 44608P40 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Few External Components Reliable Flexible GreenLine Very High Voltage PWM Controller |
| 中文描述： | 很少的外部元件的可靠靈活二七二三六七六七高電壓PWM控制器 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大小： | 266K |
| 代理商： | 44608P40 |
MC44608
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (VCC = 12 V, for typical values TA = 25°C, for min/max values TA = –25°C to +85°C unless otherwise
noted) (Note 1)
Characteristic
Symbol
Min
Typ
Max
Unit
DEMAGNETIZATION DETECTION SECTION (Note 2)
Demag Comparator Threshold (Vpin1 increasing)
Vdmg–th
30
50
69
mV
Demag Comparator Hysteresis (Note 3)
Hdmg
30
mV
Propagation Delay (Input to Output, Low to High)
tPHL(In/Out)
300
ns
Input Bias Current (Vdemag = 50 mV)
Idem–lb
–0.6
mA
Negative Clamp Level (Idemag = –1 mA)
Vcl–neg–dem
–0.9
–0.7
–0.4
V
Positive Clamp Level @ Idemag = 125 mA
Vcl–pos–
dem–H
2.05
2.3
2.8
V
Positive Clamp Level @ Idemag = 25 mA
Vcl–pos–
dem–L
1.4
1.7
1.9
V
OVERTEMPERATURE SECTION
Trip Level Over Temperature
Thigh
160
°C
Hysteresis
Thyst
30
°C
STAND–BY MAXIMUM CURRENT REDUCTION SECTION
Normal Mode Recovery Demag Pin Current Threshold
Idem–NM
20
25
30
mA
K FACTORS SECTION FOR PULSED MODE OPERATION
ICCS / Istup
MC44608P40
10 x K1
2.4
2.9
3.8
–
ICCS / Istup
MC44608P75
10 x K1
2.8
3.3
4.2
–
ICCS / Istup
MC44608P100
10 x K1
3.5
–
ICCL / Istup
103 x K2
46
52
63
–
(Vstup – UVLO2) / (Vstup – UVLO1)
102 x Ksstup
1.8
2.2
2.6
–
(UVLO1 – UVLO2) / (Vstup – UVLO1)
102 x Ksl
90
120
150
–
ICS / Vcsth
106 x Ycstby
175
198
225
–
Demag ratio Iovp / Idem NM
Dmgr
3.0
4.7
5.5
–
(V3 1 mA – V3 0.5 mA) / (1 mA – 0.5 mA)
R3
1800
W
Vcontrol Latch–off
V3
4.8
V
SUPPLY SECTION
Minimum Start–up Voltage
Vilow
50
V
VCC Start–up Voltage
Vstup–th
12.5
13.1
13.8
V
Output Disabling VCC Voltage After Turn On
Vuvlo1
9.5
10
10.5
V
Hysteresis (Vstup–th – Vuvlo1)
Hstup–uvlo1
3.1
V
VCC Undervoltage Lockout Voltage
Vuvlo2
6.2
6.6
7.0
V
Hysteresis (Vuvlo1 – Vuvlo2)
Huvlo1–uvlo2
3.4
V
Absolute Normal Condition VCC Start Current @ (Vi = 100 V) and
(VCC = 9 V)
–(ICC)
7.0
9.5
12.8
mA
Switching Phase Supply Current (no load)
MC44608P40
MC44608P75
MC44608P100
ICCS
2.0
2.4
–
2.6
3.2
3.4
3.6
4.0
–
mA
Latched Off Phase Supply Current
ICC–latch
0.3
0.5
0.68
mA
Hiccup Mode Duty Cycle (no load)
dHiccup
10
%
NOTES:
(1) Adjust VCC above the start–up threshold before setting to 12 V. Low duty cycle pulse techniques are used during test to maintain junction
temperature as close to ambient as possible.
(2) This function can be inhibited by connecting pin 1 to GND.
(3) Guaranteed by design (non tested)
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