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參數(shù)資料
| 型號(hào)： | AAT1232 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 24V 100mA Step-Up Converter |
| 中文描述： | 24V的100mA的升壓轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 4/17頁(yè) |
| 文件大?。?/td> | 416K |
| 代理商： | AAT1232 |
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Electrical Characteristics
1
T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C, V
IN
= 3.6V.
Symbol
Description
Conditions
Min
Typ
Max
Units
Power Supply
V
IN
V
OUT(MAX)
Input Voltage Range
Maximum Output Voltage
2.7
5.5
24
2.7
V
V
V
V
IN
Rising
Hysteresis
V
IN
Falling
SEL = GND, V
OUT
= 18V,
I
OUT
= 0, R3 = 20k
Ω
2
, Switching
SEL = GND, FB2 = 1.5V,
Not Switching
EN/SET = GND
2.7V < V
IN
< 5.5V, V
OUT
= 24V
I
OUT
= 0 to 100mA, V
IN
= 2.7V
to 5.0V, SEL = High
I
OUT
= 0 to 100mA, V
IN
= 2.7V
to 5.0V, SEL = Low
I
OUT
= 0 to 100mA, R3 = 20k
Ω
3
V
IN
= 2.7V to 5.5V, R3 = 20k
Ω
3
V
UVLO
UVLO Threshold
150
mV
V
1.8
0.3
mA
I
Q
Quiescent Current
40
70
μA
I
SHDN
I
OUT
V
IN
Pin Shutdown Current
Output Current
1.0
100
μA
mA
FB1
FB1 Reference Voltage
1.164
1.2
1.236
V
FB2
FB2 Reference Voltage
0.582
0.6
0.618
V
Δ
V
LOADREG
Δ
V
LINEREG
/
Δ
V
IN
R
DS(ON)L
Load Regulation
Line Regulation
Low Side Switch On Resistance
Input Disconnect Switch
On Resistance
0.02
0.6
0.08
%/mA
%/V
Ω
R
DS(ON)IN
0.18
Ω
T
SS
Soft-Start Time
From Enable to Output
Regulation; V
OUT
= 15V
0.35
ms
T
SD
Over-Temperature Shutdown
Threshold
Shutdown Hysteresis
N-Channel Current Limit
140
°C
T
HYS
I
LIM
15
3.0
°C
A
V
IN
= 3.6V
SEL, EN/SET
V
SEL(L)
V
SEL(H)
V
EN/SET(L)
V
EN/SET(H)
T
EN/SET LO
T
EN/SET HI MIN
T
EN/SET HI MAX
T
OFF
T
LAT
I
EN/SET
SEL Threshold Low
SEL Threshold High
Enable Threshold Low
Enable Threshold High
EN/SET Low Time
Minimum EN/SET High Time
Maximum EN/SET High Time
EN/SET Off Timeout
EN/SET Latch Timeout
EN/SET Input Leakage
V
IN
= 2.7V
V
IN
= 5.5V
V
IN
= 2.7V
V
IN
= 5.5V
0.4
V
V
V
V
μs
ns
μs
μs
μs
μA
1.4
0.4
1.4
0.3
75
50
75
500
500
1
-1
AAT1232
24V 100mA Step-Up Converter
4
1232.2006.12.1.3
1. The AAT1232 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
2. Switching input current will vary with R1, R2, R3 resistor values.
3. Some improvement in line and load regulation is possible with smaller resistor values.
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