参数资料
型号: AS3606A-BQFP
厂商: ams
文件页数: 22/71页
文件大小: 0K
描述: IC PMU PROGR STARTUP 32-QFN
标准包装: 20,000
应用: 手持/移动设备
电流 - 电源: 160µA
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-QFN(5x5)
包装: 带卷 (TR)
AS3606 AS3607 2v2
Data Sheet - D e t a i l e d D e s c r i p t i o n - P o w e r M a n a g e m e n t F u n c t i o n s
8.3.5
Parameter
VSUPx=3.6V, T A = 25oC, unless otherwise specified.
Table 7. DCDC Parameter
Symbol
V SW
I VDD
V FB
V FBSU
V CURR
I DCDC_FB
Parameter
High Voltage Pin
Quiescent Current
Feedback Voltage, Transientt
Feedback Voltage, for voltage
regulation
Feedback Voltage, for current sink
regulation
Additional Tuning Current at Pin
DCDC_FB and over voltage
protection
Accuracy of Feedback Current at
full scale
Condition
Pin FBSU
Pulse Skipping mode
Pin CURR1 or CURR2
Pin FBSU
Pin FBSU
Pin CURR1 or CURR2
Adjustable by software using Register DCDC
control1
1μA step size (0-31μA)
V PROTECT = 1.25V +
IDCDC_FB * R 1
Min
0
0
0
1.2
0.4
0
-6
Typ
140
1.25
0.5
Max
30
30
5
1.3
0.6
31
6
Unit
V
μA
V
V
V
V
μA
%
R SW
Switch Resistance
1
Ω
I LOAD
F SW
C OUT
Load Current
Fixed Switching Frequency
Output Capacitor
@ 30V output voltage
SU_FREQU = 0
Ceramic, ±20%. Use nominal 4.7μF capacitors
to obtain at least 0.7μF under all conditions
(voltage dependence of capacitors)
0
0.7
1
4.7
50
mA
MHz
μF
L
t MIN_ON
MDC
Inductor
Minimum On-Time
Maximum Duty Cycle
Use inductors with small C PARASITIC (<100pF)
for high efficiency
Guaranteed per design
Guaranteed per design
7
84
10
100
90
13
190
μH
ns
%
Figure 11. 30V Step-Up Performance Characteristics
DCDC Boost 6 LEDs
90,00
85,00
80,00
75,00
70,00
65,00
60,00
55,00
www.austriamicrosystems.com
1
10
Output Current [mA]
Revision 1.03
100
21 - 70
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