CSR8635 查看數據表（PDF） - CSR plc
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CSR8635 Datasheet PDF : 105 Pages
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13.3 Input/Output Terminal Characteristics
Note:
For all I/O terminal characteristics:
■ Current drawn into a pin is defined as positive; current supplied out of a pin is defined as negative.
13.3.1 Regulators: Available For External Use
13.3.1.1 1.8V Switch-mode Regulator
1.8V Switch-mode Regulator
Min
Typ
Max
Unit
Input voltage
013 Output voltage
27, 2 Normal Operation
mber Transient settling time
epte Load current
ay, S Current available for external use, audio with 16Ω load(a)
- Frid Peak conversion efficiency(b)
m.cn Switching frequency
int.co Inductor saturation current, audio and 16Ω load
celpo Inductor ESR
- ex Low-power Mode, Automatically Entered in Deep Sleep
.zhou Transient settling time
even Load current
gbo k Current available for external use
r qin Peak conversion efficiency
red fo Switching frequency
Prepa (a) More current available for audio loads above 16Ω.
2.80
3.70
4.25
1.70
1.80
1.90
-
30
-
-
-
185
-
-
25
-
90
-
3.63
4.00
4.00
250
-
-
0.1
0.3
0.8
-
200
-
0.005
-
5
-
-
5
-
85
-
100
-
200
V
V
μs
mA
mA
%
MHz
mA
Ω
μs
mA
mA
%
kHz
(b) Conversion efficiency depends on inductor selection.
Production Information
© Cambridge Silicon Radio Limited 2013
Confidential Information - This Material is Subject to CSR's Non-disclosure Agreement
Page 72 of 105
CS-303725-DSP5
www.csr.com
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