UPC1935 查看數據表（PDF） - NEC => Renesas Technology
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UPC1935 Datasheet PDF : 28 Pages
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µ PC1935
Electrical Characteristics (unless otherwise specified, TA = 25 °C, VCC = 3 V, fOSC = 100 kHz)
Block
Under
voltage
lock-out
section
Reference
voltage
section
Oscillation
section
Duty setting
section
Error
amplifier
section
Output
section
Short-circuit
protection
section
Overall
Parameter
Start-up voltage
Operation stop voltage
Hysteresis voltage
Reset voltage (timer latch)
Reference voltage
Line regulation
Load regulation
Temperature coefficient
fOSC setting accuracy
fOSC total stability
Symbol
VCC (L-H)
VCC (H-L)
VH
VCCR
VREF
REGIN
REGL
∆VREF/∆T
∆fOSC
∆fOSC
Input bias current
Channel 1 maximum duty
Channel 1 soft start time
Low-level threshold voltage
IBD
DMAX.
tSS
VTH (L)
High-level threshold voltage
VTH (H)
Input threshold voltage
Input bias current
Open loop gain
Unity gain
Maximum output voltage (+)
Maximum output voltage (−)
Maximum sink current
Output source current
Output ON voltage
Rise time
Fall time
Input sense voltage
UV sense voltage
Source current on short-circuiting
Delay time
Circuit operation current
VITH
IB
Av
funity
VOM+
VOM−
IOsink
IOsource
VOL
tr
tf
VTH1, VTH2
VTH3
VUV
IOUV
tDLY
ICC
Conditions
IREF = 0.1 mA
IREF = 0.1 mA
IREF = 0.1 mA
IREF = 0.1 mA
IREF = 1 mA
2.5 V≤VCC≤20 V
0.1 mA≤IREF≤1 mA
−20 °C≤TA≤+85 °C, IREF = 0 A
RT = 18 kΩ
−20 °C≤TA≤+85 °C,
2.5 V≤VCC≤20 V
(Channels 2 and 3 only)
CDLY = 0.1 µ F
Duty = 0 % (channels 1 and2)
Duty = 100 % (channel 3)
Duty = 100 % (channel 2)
Duty = 0 % (channel 3)
VO = 0.3 V
VO = 0.3 V
IO = −45 µ A
IO = 45 µ A
VFB = 0.5 V
VFB = 1.6 V
RL = 150 Ω
RL = 150 Ω
RL = 150 Ω
Channels 1 and 2
Channel 3
CDLY = 0.1 µ F
VCC = 3 V
MIN. TYP. MAX. Unit
1.57
V
1.5
V
30
70
mV
1.0
V
2.0
2.1
2.2
V
2
12.5 mV
1
7.5 mV
0.5
%
−20
+30
%
−30
+50
%
1.0
µA
85
%
50
ms
1.2
V
1.6
V
0.285 0.3 0.315 V
−100
+100 nA
70
80
dB
1.5
MHz
1.6
2
V
0.02 0.5
V
0.8
1.4
µA
−70 −45 µ A
0.2
0.6
V
50
ns
50
ns
1.75 1.9 2.05
V
0.5 0.63 0.75
V
0.8 0.85
V
1.0
1.6
2.7
µA
50
ms
1.8
3.1
5.1
mA
Caution Connect a capacitor of 0.01 to 10 µ F to the VREF pin.
2
µ PC1935
4
CREF = 0.01 to 10 µF
6
Data Sheet G13418EJ3V0DS00
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