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參數(shù)資料
| 型號(hào)： | H34063A |
| 廠商： | HSMC CORP. |
| 英文描述： | DC-TO-DC CONVERTER INTEGRATE CIRCUIT DEVICES |
| 中文描述： | 的DC - DC轉(zhuǎn)換器集成電路器件 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大小： | 72K |
| 代理商： | H34063A |
HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : IC200407
Issued Date : 2003.04.01
Revised Date : 2005.03.25
Page No. : 2/7
H34063AP, H34063AS
HSMC Product Specification
Electrical Characteristics
(V
CC
=5V,T
A
=0~70
°
C, unless otherwise specified)
Parameter
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Oscillator
Charging Current
Discharge Current
Frequency
Discharge to Charge Current Ratio
Current Limit Sense Voltage
Output Switch
Saturation Voltage,
Darlington Connection
Saturation Voltage
DC Current Gain
Collector Off-State Current
Comparator
Threshold Voltage
Threshold Voltage Line Regulation
Input Bias Current
Total Device
I
chg
I
dischg
f
OSC
I
dischg
/I
chg
V
IPK
V
CC
=5~40V, Ta=25
o
C
V
CC
=5~40V, Ta=25
o
C
V
PIN5
=0, C
T
=1nF, Ta=25
o
C
V
PIN7
=V
CC
, Ta=25
o
C
I
dischg
=I
chg
, Ta=25
o
C
10
140
28
5.2
250
25
190
33
6
300
40
240
40
7.5
350
uA
uA
KHz
mV
V
CE(sat)
1
I
SW
=1A, V
C(SW)
=V
C(DR)
-
1
1.3
V
V
CE(sat)
2
h
FE
I
CC(off)
I
SW
=1A, I
C(DR)
=50mA
I
SW
=1A, V
CE
=5V
V
CE
=40V, Ta=25
o
C
-
0.4
120
10
0.7
-
100
V
35
-
uA
V
FB
V
FB
I
IB
1.23
-
-
1.25
1.5
40
1.27
6
400
V
V
CC
=5~40V
V
IN
=0V
mV
nA
Supply Current
I
CC
V
CC
=5~40V, V
PIN7
=V
CC
, V
Pin5
>
V
FB
,
C
=0.001uF, Pin7=GND,
Remaining pins open
-
1.6
3
mA
Block Diagram
SC
Pin1: 1.6A Switch Collector
TC
Pin3: Oscilletor Timing Capacitor
GND
Pin4: Power GND
DRI
Pin8: Driver Collector
IPK
Pin7: Highside Current Sense
Input, VCC-VIPK=300mV
VCC
Pin6: Power Supply Input
FB
Pin5: Feedback Comparator
Inverting Input
SE
Pin2: Darlington Switch Emitter
Q1
Q2
80
Q
S
R
CT
IPK
Oscillator
Comparator
1.25V
Reference Voltage
+
-
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