SA7527S Ver la hoja de datos (PDF) - Silan Microelectronics
Número de pieza
componentes Descripción
Fabricante
SA7527S Datasheet PDF : 8 Pages
| |||
SA7527
(Continued)
Characteristics
Symbol
Test condition
Min.
Large Signal Open Loop G gain
Gv --
60
(note)
Power Supply Rejection Ratio (note) PSRR 14V≤VCC≤25V
60
Unity Gain Bandwidth (note)
GBW --
--
Slew Rate (note)
SR --
--
Multiplier Section
Input Bias Current (pin3)
Ib(m) --
-0.5
M1 Input Voltage Range (pin3)
∆Vm1 --
0
M2 Input Voltage Range (pin2)
∆Vm2 --
Vref
Multiplier Gain (note)
K
Vm1=1V, Vm2=3.5V
0.36
Maximum Multiplier Output Voltage Vomax(m) Vinv=0V, Vm1=4V
1.65
Temperature Stability Of K (note)
∆K/∆T -25≤Tamb≤125°C
--
Current Sense Section
Input Offset Voltage (note)
Input Bias Current
Vio(cs) Vm1=0V, Vm2=2.2V
-10
Ib(cs) 0V≤Vcs≤1.7V
-1
Current Sense Delay To Output (note) td(cs) --
--
Zero Current Detect Section
Input Voltage Threshold
Vth(det) Vdet increasing
1.7
Detect Hysteresis
HY(det) --
0.2
Input Low Clamp Voltage
Vclamp(I) Idet=-100µA
0.45
Input High Clamp Voltage
Vclamp(h) Idet=3mA
6.5
Input Bias Current
Ib(det) 1V≤Vdet≤5V
-1
Input High/Low Clamp Diode Current
Iclamp(d) --
--
(note)
Output Section
Output Voltage High
Voh IO=-10mA
10.5
Output Voltage Low
Voi IO=10mA
--
Rising Time (note)
tr
CI=1nF
--
Falling Time (note)
tf
CI=1nF
--
Maximum Output Voltage
Vomax(o) VCC=20V, IO=100µA
12
Output Voltage With UVLO Activated Vomin(o) VCC=5V, IO=100µA
--
Restart Timer Section
Restart Time Delay
td(rst) Vm1=1V, Vm2=3.5V
--
Over Voltage Protection Section
Soft OVP Detecting Current
Isovp --
25
Dynamic OVP Detecting Current
Idovp --
35
Static OVP Threshold Voltage
Vovp Vinv=2.7V
2.1
Note: These parameters, although guaranteed, are not 100% tested in production.
Multiplier gain: k = pin4 _ threshold (Vm1 = Vpin3, Vm2 = Vpin2)
Vm1x(Vm2 − Vref )
Typ. Max. Unit
80
--
dB
80
--
dB
1
-- MHz
0.6
-- V/µs
--
0.5 µA
--
3.8 V
-- Vref+2.5 V
0.44 0.52 1/V
1.8 1.95 V
-0.2
-- %/°C
3
10 mV
-0.1
1
µA
200 500 ns
2
2.3 V
0.5 0.8 V
0.75
1
V
7.2 7.9 V
-0.1
1
µA
--
±3 mA
11
--
V
0.8
1
V
130 200 ns
50 120 ns
14
16
V
--
1
V
150
--
µs
30
35 µA
40
45 µA
2.25 2.4 V
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2005.07.22
Page 3 of 8
Share Link: 