參數(shù)資料
型號(hào): MC33340P
廠商: MOTOROLA INC
元件分類: 穩(wěn)壓器
英文描述: BATTERY FAST CHARGE CONTROLLER
中文描述: BATTERY CHARGE CONTROLLER, 760 kHz SWITCHING FREQ-MAX, PDIP8
封裝: PLASTIC, DIP-8
文件頁數(shù): 5/12頁
文件大?。?/td> 309K
代理商: MC33340P
MC33340
5
MOTOROLA ANALOG IC DEVICE DATA
Figure 7. Typical Battery Charging Application
VCC
Undervoltage
Lockout
Over
Temp
Latch
Battery
Detect
Temp
Detect
Time/
Temp
Select
Vsen
Vsen
Gate
Fast/
Trickle
Voltage to
Frequency
Converter
V Detect
Counter
Timer
Battery
Pack
Internal Bias
VCC
2.9 V
VCC
Gnd
Q
R
S
t1/Tref High
7
t2/Tsen
6
t3/Tref Low
5
8
4
3
2
1
High
Low
Vsen
Gate
F/T
Over
Under
t1
t2
t3
t/T
Ck
F/V
R
Regulator
Reg Control
DC
Input
Charge
Status
R2
R1
MC33340
2.0 V
1.0 V
RNTC
R3
R4
SW2
SW1
SW3
30
μ
A
30
μ
A
30
μ
A
0.7 V
R2
R1
VBatt
Vsen
– 1
T
dV
V
Figure 8. Typical Charge Characteristics for NiCd and NiMh Batteries
CHARGE INPUT PERCENT OF CAPACITY
1.6
1.5
1.4
1.3
1.2
1.0
0
40
80
120
160
Relative Pressure
1.1
70
60
50
40
30
20
10
C
°
C
Temperature
Voltage
Tmax
Vmax
dt
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