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| 型號： | MC33232PG |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 5/15頁 |
| 文件大?。?/td> | 257K |
| 描述： | IC PFC CONTROLLER CRM 8DIP |
| 產(chǎn)品變化通告： | Product Obsolescence 21/Jan/2010 |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 系列： | SMARTMOS® |
| 模式： | 臨界傳導(dǎo)（CRM） |
| 電流 - 啟動(dòng)： | 50µA |
| 電源電壓： | 12 V ~ 25 V |
| 工作溫度： | -20°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 8-PDIP |
| 包裝： | 管件 |
| 其它名稱： | MC33232PG-ND MC33232PGOS |
MC33232
http://onsemi.com
5
MEASUREMENT CONDITION Note: Test conditions follow the test circuit diagram unless otherwise noted (See last page)
Item
Condition
Measurement Method
V
FB
Pin 1 = Pin 2
Measure Pin 1 voltage when connect Pin 1 and Pin 2
V
FB2
SW1 = B
Regline
Regline = V
FB2
V
FB
I
IB(err)
Pin 1 = 0 V
Measure Pin 1 current
gm
Pin 2 = 2.0 V
Pin 2 current (Ipin2) @ Pin 1 = 2.55
Pin 2 current (Ipin2) @ Pin 1 = 2.45
gm +
(Ipin2 * Ipin2)
(2.55 * 2.45)
I
source
Pin 1 = 2.3 V
SW1 = A&B
Pin 2 = 2.0 V
Measure Pin 2 output current
I
sink
Pin 1 = 2.7 V
V
OH(ea)
Pin 1 = 2.3 V
Measure Pin 2 voltage
V
OL(ea)
Pin 1 = 2.7 V
V
th
V
in
= Ref.1
Pin 2 = 4.0 V
Measure Pin 1 voltage when Pin 7 switch to low
Pin 4 = GND
Pin 3 = 2.0 V
by increasing Pin 1 voltage from 0 V
V
th(mult)
V
in
= Ref.1
Pin 4 = 0.015 V
Measure Pin 2 voltage when Pin 7 switch to low
Pin 1 = 0 V
Pin 3 = 0.5 V
by decreasing Pin 2 voltage from 2.5 V
Vpin3
V
in
= Ref.1
Pin 2 = V
th(mult)
a +
C
A
0.77
1.67
) A
Measure Pin 4 voltage when Pin 7 switch to low
with each Pin 3 condition
25% @
B * a
C * A
100
Vpin2
A: @ Pin 3 = 0 V
B: @ Pin 3 = 1.25 V
C: @ Pin 3 = 2.5 V
Measure the A, B and C with the condition
and calculate the linearity of the multiplier
I
IB(mult)
Pin 1, 3 = 0 V
Pin 2 = 1.1 V
Measure Pin 3 current
K
Pin 1 = 0 V
Pin 3 = 0.5 V
Measure V
thp4
as Pin 4 voltage when Pin 7 switch to low by increasing
Pin 4 voltage from 0 V and calculate by the following equation.
Pin 2 = V
th(mult)
+ 1 V
V
in
= Ref.1
K = V
thp4
/ 0.50
V
th(ZCD)
V
in
= Ref.1
Pin 1 = 0 V
Pin 2 = 3.0 V
Pin 3 = 0.5 V
Pin 4 = GND
Measure Pin 5 voltage when Pin 7 switch to low
by increasing V
in
voltage from 0 V
V
H
Measure V
th2
as Pin 5 voltage when Pin 7 switch to low by increasing
V
in
voltage from 4 V and calculate V
H
by the following equation.
TZO
SW3 = ON
V
H
= V
th(zero)
V
th2
TZO2
SW2 = B
Measure the propagation delay time from V
in
to Pin 7
TBD
TBD
50%
V
in
50%
TZO
Pin 7
TOS
V
in
= Ref.1
Measure the minimum off time for Pin 7
2 V
0 V
V
in
delay
Pin 4
2 V
0 V
Pin 3 = 0.5 V
Pin 1 = 0 V
Delay: 500 nSec ~ 700 nSec
Ref.1: Pin 4 = GND, V
in
= 4 V return to zero pulse
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