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參數資料
| 型號： | ADP1148AN-3.3 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 穩壓器 |
| 英文描述： | Current-Mode SMPS Controller |
| 中文描述： | SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數： | 3/16頁 |
| 文件大小： | 191K |
| 代理商： | ADP1148AN-3.3 |
–3–
REV. A
ADP1148, ADP1148-3.3, ADP1148-5
ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Conditions
2
Min
T yp
Max
Units
FEEDBACK VOLT AGE
ADP1148 Only
V
10
V
IN
= 9 V
1.20
1.25
1.30
V
REGULAT ED OUT PUT VOLT AGE
ADP1148-3.3
ADP1148-5
INPUT DC SUPPLY CURRENT
3
Normal Mode
Sleep Mode (ADP1148-3)
Sleep Mode (ADP1148-5)
Shutdown
V
OUT
V
IN
= 9 V
I
LOAD
= 700 mA
I
LOAD
= 700 mA
3.17
4.85
3.33
5.05
3.4
5.2
V
V
I
Q
V
IN
= 4 V < V
IN
< 18 V
V
IN
= 4 V < V
IN
< 18 V
V
IN
= 6 V < V
IN
< 18 V
V
SHUT DOWN
= 2.1 V,
4 V < V
IN
< 12 V
1.6
160
160
10
2.6
280
280
24
mA
μ
A
μ
A
μ
A
CURRENT SENSE T HRESHOLD
VOLT AGE
4
ADP1148 Only
V
8
–V
7
V
9
= V
OUT
/4 + 25 mV (Forced),
V
7
= 5 V
V
9
= V
OUT
/4 – 25 mV (Forced),
V
7
= 5 V
V
7
= V
OUT
+ 100 mV (Forced)
V
7
= V
OUT
– 100 mV (Forced)
V
7
= V
OUT
+ 100 mV (Forced)
V
7
= V
OUT
– 100 mV (Forced)
0
mV
115
150
175
mV
ADP1148-3.3
0
150
0
150
mV
mV
mV
mV
115
175
ADP1148-5.0
115
175
SHUT DOWN PIN T HRESHOLD
ADP1148-3.3, ADP1148-5
V
10
0.55
0.8
2
V
μ
s
OFF-T IME
t
OFF
C
T
= 390 pF, I
LOAD
= 700 mA
4
5
6.2
NOT ES
1
All limits at temperature extremes are guaranteed via correlation using standard Quality Control method.
2
T
J
is calculated from the ambient temperature T
and power dissipation P
D
according to the following formulas:
ADP1148AR, ADP1148AR-3, ADP1148AR-5: T
J
= T
A
+ (P
D
×
110
°
C/W)
ADP1148AN, ADP1148AN-3, ADP1148AN-5: T
= T
+ (P
×
70
°
C/W)
3
Dynamic supply current is higher due to the gate charge being delivered at the switching frequency. T he allowable operating frequency may be limited by power
dissipation at high input voltages.
4
T he ADP1148 version is tested with external feedback resistors setting the nominal output voltage to 3.3 V.
Specifications subject to change without notice.
ABSOLUT E MAX IMUM RAT INGS
Input Supply Voltage (Pin 3) . . . . . . . . . . . . . –0.3 V to +20 V
Continuous Output Currents (Pins 1, 14) . . . . . . . . . . 50 mA
Sense Voltages (Pins 7, 8) . . . . . . . . . . . . . . . . –0.3 V to V
CC
Operating T emperature Range . . . . . . . . . . . . 0
°
C to +70
°
C
Extended Commercial T emperature Range . . –40
°
C to +85
°
C
Junction T emperature . . . . . . . . . . . . . . . . . . . . . . . . . 150
°
C
Storage T emperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Lead T emperature (Soldering, 10 sec) . . . . . . . . . . . . 300
°
C
(–40
8
C
≤
T
A
≤
+85
8
C,
1
V
IN
= 10 V, V
SHUTDOWN
= 0 V, unless otherwse noted. See Figure 17.)
ORDE RING GUIDE
Output
Voltage
Package
Description
Package
Option
Model
ADP1148AN
ADP1148AR
ADP1148AN-3.3
ADP1148AR-3.3
ADP1148AN-5
ADP1148AR-5
ADJ
ADJ
3.3 V
3.3 V
5 V
5 V
Plastic DIP
Small Outline Package SO-14
Plastic DIP
Small Outline Package SO-14
Plastic DIP
Small Outline Package SO-14
N-14
N-14
N-14
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADP1148AN-5 | 制造商:Rochester Electronics LLC 功能描述:HIGH EFF SYNCHRONOUS STEP - Bulk |
| ADP1148AR | 制造商:Rochester Electronics LLC 功能描述:HIGH EFF SYNCHRONOUS STEP - Bulk |
| ADP1148AR-3.3 | 制造商:Rochester Electronics LLC 功能描述:HI EFF SYNCHRONOUS STEP D - Bulk |
| ADP1148AR-33 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Efficiency Synchronous Step-Down Switching Regulators |
| ADP1148AR-5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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