參數(shù)資料
型號: TA1307P
廠商: Toshiba Corporation
英文描述: Integrated Circuit For Standby Power-Supply Control
中文描述: 集成電路,備用電源控制
文件頁數(shù): 8/12頁
文件大?。?/td> 124K
代理商: TA1307P
TA1307P
2002-02-12
8
AC Characteristics Measurement
(there is no designation V
CC
9 V, Ta 25°C)
(refer: Figure 5 AC characteristic measurement circuit)
SW mode
No.
Characteristics
1
2
3
4
Test Condition
1
UVLO movement voltage
(VUL/VUH)
b
b
a
a
Pin4 (FB IN) GND
Confirm pin7 (pulse out) pulse is output.
Vcc voltage is lowered, and measure V
cc
voltage when pin7 output pulse
disappears.(VUL)
And Vcc voltage is upped, and measure V
cc
voltage when pin7 output pulse
appears.(VUH)
2
Start Up Current
b
b
a
a
Pin4 (FB IN) GND
Input voltage Vcc 5.0 V
( pin7 pulse is not outputted)
And Vcc voltage is upped (V
cc
9V)
Measure source current through V
cc
(I strt).
3
Triangle Wave Oscillate Frequency
b
b
a
a
Pin4 (FB IN) GND
Confirm pin7 (pulse out) pulse is output.
Measure pulse period, look for frequency.
(F
osc
)
4
Output Pulse Rise Time
(reference data)
b
b
a
a
Above condition, measure pulse rise time
:pulse amplitude 10% to 90% (TRPF)
5
Output Pulse Fall Time
(reference data)
b
b
a
a
Above condition, measure pulse fall time
:pulse amplitude 10% to 90% (TSPF)
6
Output Pulse Max. Voltage
b
b
a
a
Above condition, measure pulse Max. voltage.
(VOPMX)
7
Output Pulse Min. Voltage
b
b
a
a
Above condition, measure pulse Min. voltage.
(VOPMN)
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