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UC3800G-S08-R датащи(PDF) 5 Page - Unisonic Technologies

номер детали UC3800G-S08-R
подробное описание детали  LOW COST POWER-SAVING MODE PWM CONTROLLER
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производитель  UTC [Unisonic Technologies]
домашняя страница  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3800G-S08-R датащи(HTML) 5 Page - Unisonic Technologies

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UC3800
Preliminary
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
5 of 10
www.unisonic.com.tw
QW-R103-083.a
ELECTRICAL CHARACTERISTICS (TA=25°C, VDD=16V,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
SUPPLY SECTION
Supply current from HV Pin
IHV
HV=100V
0.25
mA
Start Up Current
ISTR
VDD = VDD(ON)-0.1V
2
15
μA
IC Operating current
IOP1
VFB=3.5V
0.8
1.8
mA
VDD Zener Clamp Voltage
VDD(CLAMP)
IDD=20mA
31
33
35
V
UNDER-VOLTAGE LOCKOUT SECTION
Start Threshold Voltage
VDD(ON)
12
13
14
V
Min. Operating Voltage
VDD(OFF)
6
7
8
V
Hysteresis
VDD(HY)
6
V
CONTROL SECTION
VFB Open Loop Voltage Level
VFB-OPEN
5.0
5.4
V
PWM Input Gain
AVCS
∆VFB/∆VCS
3
V/V
The FB threshold enter burst mode
VFB(IN)
VSENSE =0
1.5
V
The FB threshold exit burst mode
VFB(OUT)
VSENSE =0
1.8
V
The FB threshold enter green mode
VFB(END)
VSENSE =0
2.9
V
Normal
VFB=3.5V, hopping Rang
60
65
70
KHz
Switch Frequency
Power-Saving
FSW
Before enter burst mode
19
22
25
KHz
Duty Cycle
DMAX
VFB=3.5V, VSENSE=0
70
78
85
%
Frequency Hopping
FJ(SW)
-4
+4
%
Frequency VDD Stability
FDV
VDD=12V~20V
5
%
Frequency Temperature Stability
FDT
T=-25~85°C
5
%
PROTECTION SECTION
VCC Over Voltage Protection Threshold
VOVP
VFB=3.5V
26
27
28
V
FB PIN Over Load Protection Threshold
VOLP
4.3
V
Over Load Protection Delay-Time
TDelay
80
88
96
mS
Soft start time
TSS
2.5
mS
OTP Level
TOTP
145
°C
CURRENT LIMITING SECTION
Peak Current Flat Threshold Voltage
VCS-F
VFB=3.5V, Duty≥60%
0.85
0.95
1.05
V
Peak Current Valley Threshold Voltage
VCS-V
VFB=4.2V, Duty=0%
0.55
0.65
0.75
V
Lead Edge Blanking Time
TLEB
350
ns
DRIVER OUTPUT SECTION
Output Voltage Low State
VOL
VDD=16V,IO=-20mA
0.8
V
Output Voltage High State
VOH
VDD=16V,IO= 20mA
11
V
Output clamp Voltage
V_Clamping
16
V
Output Voltage Rise Time
tR
CL=1.0nF
100
ns
Output Voltage Fall Time
tF
CL=1.0nF
60
ns
LNO SECTION
Threshold voltage for LNO
VTH_LNO
1.05
V
Threshold voltage for BNO
VTH_BNO
0.3
V


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