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參數(shù)資料
| 型號： | HA16342NT |
| 英文描述： | SMPS Controller |
| 中文描述： | 開關(guān)電源控制器 |
| 文件頁數(shù)： | 8/21頁 |
| 文件大小： | 225K |
| 代理商： | HA16342NT |
HA16341NT/FP, HA16342NT/FP
Rev.1, Jan. 2001, page 8 of 21
Electrical Characteristics (cont.)
(Ta = 25
°
C, V
CC
= 12V, PG1 = 3V, Vtrig = 0V, VCS(+) = 0V, VCin = 0V, CCT = 330pF, GvOP1 = 26dB,
GvOP4 = 40dB, RDB = 1.8k
)
Oscillator
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Note
Typical oscillating
frequency
fosctyp
180
200
220
kHz
±
10%
Maximum oscillating
frequency
foscmax
400
kHz
Typical oscillating
temperature stability
dfosc
±
5
%
20
°
C < Ta < 85
°
C
1
CT charge current
Ici
135
169
203
μ
A
±
20%
CT discharge current
Icd
616
770
924
μ
A
±
20%
Upper trip point
VthCTH
3.4
V
2
Lower trip point
VthCTL
1.3
V
Amplitude
dVCT
2.1
V
Exit trigger Vth
Vthtrig
0.3
0.5
0.7
V
Notes: 1. Design spec.
2. In case of external trigger control, CCT should be changed from 330 pF to 430 pF.
At this synchronous and 430 pF CCT condition VthCTH becomes about 2.9 V.
Vref
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Note
Reference voltage
Vref
4.9
5.0
5.1
V
Iosource = 1mA
±
2%
Line regulation
Vref-line
5
20
mV
Iosource = 1mA
12V < V
CC
< 18V
Load regulation
Vref-load
5
20
mV
0 < Iosource < 3mA
Temperature stability
dVref
80
ppm/
°
C
20
°
C < Ta < 85
°
C
1
Note:
1. Design spec.
UVL
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Note
Hi threshold voltage
VH
9.5
10.0
10.5
V
Lo threshold voltage
VL
8.5
9.0
9.5
V
Hysteresis
dVUVL
0.6
1.0
1.4
V
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