參數(shù)資料
型號(hào): AN32502A
英文描述: For Information·Communication - PDA
中文描述: 信息·通訊-掌上電腦
文件頁(yè)數(shù): 9/45頁(yè)
文件大?。?/td> 574K
代理商: AN32502A
9
SDF00034AEB
AN32502A
Publication data: November 2002
Electrical Characteristics at VB1 to VB5
=
3.6 V (continued)
Note) T
a
=
25
°
C
±
2
°
C unless otherwise specified.
B
No.
Ch.1
DC-DC converter
Transient response
characteristics
VB
=
3.6 V
DAC
=
1000000B
Iout
:
Change 0 mA to 200 mA
Rising time 50 ns
Output voltage difference
U
V
VB
=
3.6 V
DAC
=
1000000B
At no load
mV
±
100
Vch1ex
DC-DC converter
output
ripple voltage
mV
±
40
Vch1rr
DC-DC converter
startup time
VB
=
3.6 V
At no load from start up
signal input till output
bottom limit
ms
2
Vch1tr
Min
Typ
Max
Parameter
Conditions
Test
cir-
cuit
Unit
Symbol
Limits
Note
Oscillator frequency
kHz
500
fdv1
LDO
Transient response
characteristics
VB
=
3.6 V
Iout: 10 mA to 200 mA
Rising time 1
μ
s
Output voltage difference
U
V
mV
±
50
Vch2ex
LDO
start up time
VB
=
3.6 V
At no load from start up
signal input till output
bottom limit
ms
10
Vch2tr
LDO
Ripple rejection 1
VB
=
3.6 V
VBpp
=
0.3 V/ 1 kHz
Iout
=
150 mA
dB
40
Vch2rr1
LDO
Ripple rejection 2
VB
=
3.6 V
VBpp
=
0.3 V/ 10 kHz
Iout
=
150 mA
dB
30
Vch2rr2
Ch.2
1
1
1
1
1
1
1
1
PWR_EN: High
Oscillator frequency of the
built-in oscillation circuit
for ch.1
Note) *: The above values are reference values on design, but not guaranteed values.
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