参数资料
型号: MAS3504D
厂商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分类: 消费家电
英文描述: G.729 Annex A Voice Codec
中文描述: SPECIALTY CONSUMER CIRCUIT, PQCC44
封装: PLASTIC, LCC-44
文件页数: 34/40页
文件大小: 680K
代理商: MAS3504D
MAS 3504D
34
Micronas
4.2.4.4. DC/DC Converter Characteristics
at T
A
=
30 to 85
°
C, V
SUP
= 3.0 V, CLK
F
= 14.725 MHz, f
sw
= 230 kHz, typ. values at T
A
= +27
°
C
Unless otherwise noted: VOUT = 3.0 V, VIN = 1.2 V
Note
: The following characterizations were made with voltage and clock input that is not usable for G.729 applica-
tions.
Symbol
Parameter
Pin Name
Min.
Typ.
Max.
Unit
Test Conditions
V
IN1
Minimum start-up input voltage
1)
0.9
1.1
V
I
LOAD
= 0 mA
DCCF = 08000
hex
(Reset)
V
IN2
Minimum operating input
voltage
1)
0.6
0.9
V
I
LOAD
= 55 mA,
DCCF = 08000
hex
(Reset)
1.3
1.8
V
I
LOAD
= 250 mA,
DCCF = 08000
hex
(Reset)
V
OUT
Output voltage range
Bits 16..14, Bit 9 of DCCF
Register [hex]:
1C000
18000
14000
10000
0C000
08000
04000
00000
1C200
18200
14200
10200
0C200
08200
04200
00200
VSENS
3.567
3.460
3.354
3.248
3.144
3.039
2.935
2.831
2.729
2.625
2.524
2.422
2.321
2.219
2.118
2.017
V
V
IN
= 1.2 V
I
LOAD
= 50 mA
V
OTOL
Output voltage tolerance
VSENS
3.6
3.6
%
I
LOAD
= 50 mA
T
j
= 27
°
C
V
IN
= 1.2 V
I
LOAD1
Output current
VSENS
150
mA
V
IN
= 0.9..1.5 V
I
LOAD2
250
mA
V
IN
= 1.8..3.0 V
dV
OUT
/dV
IN
/
V
OUT
Line regulation
VSENS
0.35
%/V
I
LOAD
= 50mA
dV
OUT
/dV
IN
/
V
OUT
Line regulation
VSENS
0.7
%/V
I
LOAD
= 250 mA,
V
OUT
= 3.5 V,
V
IN
= 2.4 V
dV
OUT
/V
OUT
Load regulation
VSENS
0.5
%
I
LOAD
= 50...150 mA,
dV
OUT
/V
OUT
Load regulation
VSENS
0.5
%
I
LOAD
= 50..250 mA,
V
OUT
= 3.5 V,
V
IN
= 2.4 V
1)
All measurements are made with a C8 R/4L 20
μ
H, 25 m
ferrite ring-core coil, Zetex ZLMCS1000 Schottky
diode, and Sanyo/Oscon 6SA330M 330
μ
F, 25 m
ESR capacitors at input and output (see Section 4.2.4. on
page 28).
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