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參數(shù)資料
| 型號： | AZ34063A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER |
| 中文描述： | 1.5A的STEP-DOWN/STEP-UP/INVERTING DC - DC變換器 |
| 文件頁數(shù)： | 5/13頁 |
| 文件大小： | 186K |
| 代理商： | AZ34063A |
0.8A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER AZ34063
Data Sheet
5
Apr. 2005 Rev. 2. 1
BCD Semiconductor Manufacturing Limited
(
V
CC
= 5.0 V, T
A
= -40 to 85
o
C, unless otherwise specified.)
Note
3:
Low duty cycle pulse technique are used during test to maintain junction temperature as close to ambient temperature
as possible.
Note 4: If the output switch is driven into hard saturation (non-Darlington configuration) at low switch currents (
d
300mA)
and high driver currents (
t
30mA), it may take up to 2.0us for it to come out of saturation. This condition will shorten the off
time at frequencies 30KHz, and is magnified at high temperatures. This condition does not occur with a Darlington configura-
tion, since the output switch cannot saturate. If a non-Darlington configuration is used, the following output drive condition is
recommended:
Parameter
OSCILLATOR
Frequency
Symbol
Conditions
Min
Typ
Max
Unit
f
OSC
VPin 5 = 0 V,
T
A
= 25
o
C
CT = 1.0 nF
24
33
42
KHz
CT = 330 pF
50
24
140
5.2
65
35
220
6.5
80
42
260
7.5
KHz
P
A
P
A
Charge Current
Discharge Current
Discharge to Charge
Current Ratio
I
CHG
I
DISCHG
I
DISCHG
/I
CHG
Pin 7 to V
CC
, T
A
= 25
o
C
V
CC
= 5.0 V to 36 V, T
A
= 25
o
C
V
CC
= 5.0 V to 36 V, T
A
= 25
o
C
Current Limit Sense
OUTPUT SWITCH (Note 3)
Saturation Voltage,
Dalington Connection
V
IPK
(sense) I
CHG
= I
DISCHG
, T
A
= 25
o
C
250
300
350
mV
V
CE
(sat)
I
SW
= 0.6 A,
Pins 1, 8 connected
I
SW
= 0.6 A, RPin 8 = 82
:
to
V
CC
, Forced
E
= 20
I
SW
= 0.6 A,
V
CE
= 5.0 V,
V
CE
= 36 V
1.0
1.3
V
Saturation Voltage (Note 4)
V
CE
(sat)
0.45
0.8
V
DC Current Gain
h
FE
50
75
Collector Off-State Current
COMPARATOR
Threshold Voltage
I
C
(off)
0.01
100
P
A
V
TH
T
A
= 25
o
C
T
A
= -40 to 85
o
C
V
CC
= 3.0 V to 36 V
1.225
1.21
1.250
1.275
1.29
5
V
Threshold Voltage Line
Regulation
R
EGLINE
1.4
mV
Input Bias Current
TOTAL DEVICE
Supply Current
I
IB
V
IN
= 0 V
-20
-400
nA
I
CC
V
CC
= 5.0 V to 36 V, CT = 1.0 nF,
Pin 7 = V
CC
, VPin 5 > V
TH
,
Pin 2 = GND, other pins open
4
mA
Electrical Characteristics
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