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參數(shù)資料
| 型號： | AP1623SLA |
| 英文描述： | PWM Control Step-Down Switching Regulator-Converter |
| 中文描述： | PWM控制降壓型開關(guān)穩(wěn)壓器，轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 182K |
| 代理商： | AP1623SLA |
AP1623
PWM Control Step-Down Switching Regulator-Controllers
Electrical Characteristics
(V
IN
= 5V, T
a
=25
°C
, unless otherwise specified)
Symbol
Parameter
Anachip Corp.
www.anachip.com.tw Rev. 0.1 Feb 10, 2004
3/6
Conditions
Min.
V
OUT
(S)
×0.976
2.5
Typ.
V
OUT
(S) V
OUT
(S)
Max.
Unit
V
OUT
(E) Output voltage
*1
-
×1.024
16
V
V
IN
I
SW
Input voltage
AP1623 Series
--
V
Switch Current
Duty = 50%
3
--
--
A
I
SS1
I
SSS
V
OUT1
Line regulation
Current consumption 1
Current consumption during power off
V
OUT
=V
OUT
(S) ×1.2
V
ON/OFF
=0V
V
IN
=V
OUT
(S) ×1.2 to ×1.4
*2
Load current=10μA to I
OUT
(See
below) ×1.25
--
--
35
--
60
0.5
μA
μA
--
30
60
mV
V
OUT2
Load regulation
--
30
60
mV
V
OUT
/
T
a
Output voltage temperature coefficient Ta= -40°C to 85°C
--
±V
OUT
(S)
×5E-5
180
--
V/°C
V
OUT
(S)
≥
2.5V
V
OUT
(S)
≤
2.4V
153
207
f
OSC
Oscillation frequency
Measure
waveform at
SW pin
Evaluate oscillation at SW pin
Evaluate oscillation stop at SW
pin
--
--
--
V
IN
= 5V, V
OUT
= 2.5V I
OUT
= 1A
144
180
216
KHz
V
SH
1.8
--
--
V
SL
Power-Off pin input voltage
--
--
0.3
V
I
SH
I
SL
T
SS
EFFI
-0.1
-0.1
4.0
--
--
--
8.0
93
0.1
0.1
16.0
--
μA
μA
ms
%
Power-Off pin input leakage current
Soft-Start time
Efficiency
Conditions:
The recommended components are connected to the IC, unless otherwise indicated. V
IN
=V
OUT
(S) ×1.2[V],
I
OUT
=120[mA] (V
IN
=2.5V, if V
OUT
(S)
≤
2.0V.)
Peripheral components:
Coil
: Sumida Electric Co., Ltd. CD54 (47
μ
H).
Diode
: Matsushita Electronics Corporation MA720(Schottky type).
Capacitor
: Matsushita Electronics Corporation TE (16V, 22
μF tantalum type).
The power-off pin is connected to VIN.
Notes:
The output voltage indicated above represents a typical output voltage set up. These specifications apply in
common to AP1623, unless otherwise noted.
*1 V
OUT
(S) Specified output voltage value.
V
OUT
(E) Actual output voltage value.
*2 V
IN
=2.5V to 2.94V, if V
OUT
(S)
≤
2.0V.
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