參數(shù)資料
型號(hào): CY7C60333
廠商: Cypress Semiconductor Corp.
英文描述: enCoRe III Low Voltage(enCoRe III低電壓)
中文描述: enCoRe III器件低電壓(enCoRe III器件低電壓)
文件頁數(shù): 17/29頁
文件大?。?/td> 384K
代理商: CY7C60333
CY7C603xx
Document #: 38-16018 Rev. *D
Page 17 of 29
DC Switch Mode Pump Specifications
Table 13
lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 3.0V to 3.6V and
0
°
C < T
A
< 70
°
C, or 2.4V to 3.0V and 0
°
C < T
A
< 70
°
C, respectively. Typical parameters apply to 3.3V, or 2.7V at 25
°
C and are
for design guidance only.
Figure 8. Basic Switch Mode Pump Circuit
Table 13.DC Switch Mode Pump (SMP) Specifications
Parameter
V
PUMP3V
Description
Min.
3.00
Typ.
3.25
Max.
3.60
Unit
V
Notes
3.3V Output Voltage from Pump
Configuration of footnote.
[2]
Average, neglecting ripple.
SMP trip voltage is set to 3.25V.
Configuration of footnote.
[2]
Average, neglecting ripple.
SMP trip voltage is set to 2.55V.
Configuration of footnote.
[2]
SMP trip voltage is set to 3.25V.
SMP trip voltage is set to 2.55V.
Configuration of footnote.
[2]
SMP trip voltage is set to 3.25V.
Configuration of footnote.
[2]
SMP trip voltage is set to 2.55V.
Configuration of footnote.
[2]
0°C < T
A
< 100. 1.25V at T
A
= –40°C.
%V
O
Configuration of footnote.
[2]
V
O
is the “Vdd
Value for PUMP Trip” specified by the
VM[2:0] setting in the DC POR and LVD
Specification,
Table 15 on page 18
.
%V
O
Configuration of footnote.
[2]
V
O
is the “Vdd
Value for PUMP Trip” specified by the
VM[2:0] setting in the DC POR and LVD
Specification,
Table 15 on page 18
.
mVpp Configuration of footnote.
[2]
Load is 5 mA.
V
PUMP2V
2.6V Output Voltage from Pump
2.45
2.55
2.80
V
I
PUMP
Available Output Current
V
BAT
= 1.5V, V
PUMP
= 3.25V
V
BAT
= 1.3V, V
PUMP
= 2.55V
Input Voltage Range from Battery
8
8
mA
mA
V
V
BAT3V
1.0
3.3
V
BAT2V
Input Voltage Range from Battery
1.0
2.8
V
V
BATSTART
Minimum Input Voltage from Battery to
Start Pump
Line Regulation (over Vi range)
1.2
V
V
PUMP_Line
5
V
PUMP_Load
Load Regulation
5
V
PUMP_Ripple
Output Voltage Ripple (depends on
cap/load)
E
3
Efficiency
100
35
50
%
Configuration of footnote.
[2]
Load is 5 mA.
SMP trip voltage is set to 3.25V.
For I load = 1 mA, V
PUMP
= 2.55V,
V
BAT
= 1.3V, 10
μ
H inductor, 1
μ
F
capacitor, and Schottky diode.
E
2
Efficiency
35
80
%
F
PUMP
DC
PUMP
Switching Frequency
Switching Duty Cycle
1.3
50
MHz
%
Note
2. L
1
= 2
μ
H inductor, C
1
= 10
μ
F capacitor, D
1
= Schottky diode. See
Figure 8
.
Battery
C
1
D
1
+
enCoRe III LV
Vdd
Vss
SMP
V
BAT
L
1
V
PUMP
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