参数资料
型号: AT73C209-EK
厂商: Atmel
文件页数: 34/63页
文件大小: 0K
描述: BOARD EVAL FOR AT73C209
标准包装: 1
系列: PMAAC™
主要目的: 电源管理,专用型: 手机
已用 IC / 零件: AT73C209
已供物品: 板,CD,文档
9.3.4
Table 9-5.
Electrical Specifications
General Power Supply Parameters
Parameter
Operating Supply Voltage (#1)
Operating Supply Voltage (#2)
Output Current
Output Noise
Symbol
V BOOST2
V BOOST2
I C
V NOISE
Conditions
V BOOST2 - V ANA >= 0.2V
V BOOST2 - V ANA >= 0.2V
For all Sel<1:0> conditions
BW: 10 Hz to 100 kHz, Sel <10> = xx
Min
2.7
3.2
--
--
Typ
3.2
3.3
40
--
Max
3.5
3.5
60
70
Unit
V
V
mA
μVrms
Table 9-6.
LDO2 Parameters
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Sel <10> = 00
Sel <10> = 01
2.75
2.55
2.8
2.6
2.85
2.65
Output Voltage
V ANA
Sel <10> = 10
2.95
3.0
3.05
V
Sel <10> = 11
2.35
2.4
2.45
Quiescent Current
Line Regulation
Load Regulation
I C
? V ANA
? V ANA
Worst case V BOOST2 = 3.0V,
V BOOST2 : 3.1 V to 3.5V, I OUT = 2 0mA
10% - 90% I OUT V BOOST2 = 3.3V
179
--
--
189
--
--
300
10
10
μA
mV
mV
10% - 90% V ANA
Rise Time
t C
R LOAD = 120 Ohms C LOAD = 2.2μF
--
--
10
μs
worst case @V BOOST2 = 3V
Shut Down Current
I SD
On = 0
--
140
--
nA
Band Pass: 0 Hz to 500 kHz
PSRR
I OUT = 10 mA
34
--
--
dB
worst case @ V BOOST2 = 3.2V
Power Supply Rejection Ratio
PSRR
PSRR
PSRR
DC
20 kHz
100 kHz
54
53
45
--
--
--
--
--
--
dB
dB
dB
9.3.5
Control Modes - Truth Table
Figure 9-5.
Table 9-7.
The LDO2 can be enabled and disabled by activating the bit #6 (ONVANA) on the
register 0x14. (See Section 8.5.16 “Regulator Control” )
LDO2 Activation
ONVANA (bit #6)
0
1
VANA Output
Power Down (HiZ)
Power On
All digital signals are referred to the supply voltage VBOOST.
34
AT73C209
6365A–PMAAC–12-Mar-08
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