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| UMC33167L-TA5-T Datasheet, PDF (5/8 Pages) Unisonic Technologies – LINEAR INTEGRATED CIRCUIT | |||
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UMC33167
Advance
LINEAR INTEGRATED CIRCUIT
ï® ELECTRICAL CHARACTERISTICS
(VCC=12V, for typical values TA=+25°C, for min/max values TA is the operating ambient temperature range that
applies (Notes 4), unless otherwise noted.)
PARAMETER
SYMBOL TEST CONDITIONS
MIN TYP MAX UNIT
OSCILLATOR
Frequency (VCC=7.5V ~ 40V)
fOSC
TA=+25°C
TJ=TLOW ~THIGH
65
72
79
KHZ
62
81
KHZ
ERROR AMPLIFIER
Voltage Feedback Input Threshold
Line Regulation
Input Bias Current
Power Supply Rejection Ratio
Output Voltage High State
Swing
Low State
VFB(th)
RegLINE
IIB
PSRR
VOH
VOL
TA=+25°C
TJ=TLOW ~THIGH
VCC=7.5V~ 40V, TA=+25°C
VFB=VFB(th)+0.15V
VCC=7.5V~ 40V, f=120HZ
ISOURCE=75μA, VFB=4.5V
ISINK=0.4mA, VFB=5.5V
4.95
4.85
60
4.2
5.05 5.15
V
5.20
V
0.03 0.078 %/V
0.15 1.0
μA
80
dB
4.9
V
1.6
1.9
V
PWM COMPARATOR
Duty Cycle (VCC=20V)
DC(max) Maximum (VFB=0V)
DC(min) Minimum (VFB=0V)
92
95
100
%
0
0
0
%
SWITCH OUTPUT
Output Voltage Source Saturation
Off-State Leakage
Current Limit Threshold
Output Voltage Rise
Switching Times
Time
Output Voltage Fall
Time
VSAT
ISW(off)
IPK(switch)
tR
tF
VCC=7.5V, ISOURCE=5.0A
VCC=40V, Pin 2 = GND
VCC=7.5V
VCC=40V,IPK=5.0A,
L=225μH, TA=+25°C
VCC-1.5 VCC-1.8 V
0
100
A
5.5
6.5
8.0
A
100 200
ns
50
100
ns
UNDERVOLTAGE LOCKOUT
Startup Threshold
Hysteresis
Vth(UVLO) VCC Increasing, TA=+25°C
5.5
5.9
6.3
V
VH(UVLO) (VCC Decreasing, TA=+25°C 0.6
0.9
1.2
V
TOTAL DEVICE
Power Supply Standby
VCC=12V, VComp<0.15V
36
100
μA
Current
(TA=+25°C)
Operating
ICC VCC=40V, Pin 1=GND for
maximum duty cycle
40
60
mA
Note 4: Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient
as possible.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 8
QW-R103-070.c
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