參數(shù)資料
型號: AAT1102
廠商: Advanced Analog Technology,lnc.
元件分類: DC/DC變換器
英文描述: ADVANCED PWM DC-DC CONVERTER WITH INTERNAL SWITCH AND SOFT-START
中文描述: 先進PWM型DC - DC轉換器的內部開關和軟啟動
文件頁數(shù): 3/18頁
文件大小: 615K
代理商: AAT1102
Advanced Analog Technology, Inc.
ELECTRICAL CHARACTERISTICS
V
3V
SHDN
=
=
, FREQ = GND
,
unless otherwise specified. Typical values are at
PARAMETER
SYMBOL
Input Supply Voltage
Range
Advanced Analog Technology, Inc
.
Page 3 of 18 V4.0
AAT1102
DD
C
T
C
o
25
+
=
)
CONDITIONS
MIN TYP
MAX UNITS
DD
V
2.6
5.5
V
DD
V
Lockout
Under Voltage
UVLO
When
hysteresis is 40mV; SW
remains off below this level
V = 1.3V, not switching
V = 1.0V, switching
SHDN
= GND
DD
V
is rising, typical
2.25
2.38
2.52
V
0.21
1.2
0.1
0.35
5.0
10.0
Quiescent Current
DD
I
mA
Shutdown Current
SC
I
A
μ
ERROR AMPLIFIER
PARAMETER
SYMBOL
V
CONDITIONS
Level to produce V
EO
=
1.24V
V
IN
= 1.24V
Level to produce V
EO
=
1.24V,
2.6V <
DD
V
< 5.5V
5
=
I
A
μ
MIN
TYP MAX UNITS
Feedback Voltage
1.222 1.240 1.258
V
DD
V
Input Bias Current
I
0
40
nA
Feedback-Voltage Line
Regulation
0.05
0.15
%/V
Transconductance
Voltage Gain
m
g
A
70
105
1,500
240
A
V/V
μ
/V
V
OSCILLATOR
PARAMETER
SYMBOL
CONDITIONS
FREQ = GND
FREQ =
V
FREQ = GND
FREQ =
DD
V
MIN
540
1,100 1,320 1,600
79
85
85
TYP MAX UNITS
640
740
Frequency
OSC
f
DD
kHz
92
Maximum Duty Cycle
MAX
D
%
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