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UCL64010DR Datasheet(PDF) 3 Page - Texas Instruments

Part # UCL64010DR
Description  8-PIN HIGH-EFFICIENCY OFFLINE LED LIGHTING CONTROLLER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UCL64010DR Datasheet(HTML) 3 Page - Texas Instruments

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UCL64010
www.ti.com
SLUS983 – OCTOBER 2009
ELECTRICAL CHARACTERISTICS
VDD = 15 V, 0.1-
μF capacitor from VDD to GND, 3.3-nF capacitor from SS to GND charged over 3.5 V, 500-Ω resistor from
VSD to -0.1 V, FB = 4.8 V, LPM = not connected, 1-nF capacitor from GD to GND, PCS = GND, TA = –40°C to 105°C,
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OVERALL
ISTARTUP
Startup current
VDD = VUVLO –0.3 V
12
25
μA
ILPM
Standby current
VFB = 0 V
350
550
Not switching
2.5
3.5
IDD
Operating current
mA
130 kHz, QR mode
5.0
7.0
VDD clamp
FB = GND, IDD = 10 mA
21
26
27
V
UNDERVOLTAGE LOCKOUT
VDD(uvlo)
Startup threshold
10.3
13.0
15.3
Stop threshold
6.3
8
9.3
V
ΔVDD(uvlo)
Hysteresis
4.0
5.0
6.0
PWM (Ramp)(1)
DMIN
Minimum duty cycle
VSS = GND, VFB = 2 V
0%
DMAX
Maximum duty cycle
QR mode, fS = max, (open loop)
99%
OSCILLATOR (OSC)
fQR(max)
Maximum QR and DCM frequency
117
130
143
fQR(min)
Minimum QR and FFM frequency
VFB = 1.3 V
32
40
48
kHz
fSS
Soft start frequency
VSS = 2.0 V
32
40
48
dTS/dFB
VCO gain
TS for 1.6 V < VFB < 1.8 V
–38
–30
–22
μs/V
FEEDBACK (FB)
RFB
Feedback pullup resistor
12
20
28
k
VFB
FB, no load
QR mode
3.30
4.87
6.00
Low power mode ON threshold
VFB threshold
0.3
0.5
0.7
Low power mode OFF threshold
VFB threshold
1.2
1.4
1.6
V
Low power mode hysteresis
VFB threshold
0.9
Burst hysteresis
VFB during low power mode
0.13
0.25
0.42
LOW POWER MODE
RDS(on)
LPM on resistance
VLPM = 1 V
1.0
2.4
3.8
k
ILPM(leakage)
LPM leakage/off current
VFB = 0.44 V, VSTATUS = 15 V
–0.1
2.0
μA
PEAK CURRENT SENSE (PCS)(1)
APCS(FB)
Gain, FB =
ΔVFB / ΔVPCS
QR mode
2.5
V/V
Shutdown threshold
VFB = 2.4 V, VSS = 0 V
1.13
1.25
1.38
V
PCS to output delay time (power limit)
PCS = 1.0 VPULSE
175
300
ns
PCS to output delay time (over current
PCS = 1.45 VPULSE
100
150
fault)
PCS discharge impedance
PCS = 0.1 V, VSS = 0 V
25
115
250
VPCS(os)
PCS offset
SS mode, VSS ≤ 2.0 V, via FB
0.35
0.40
0.45
V
(1)
RPCST and CPCST are not connected in the circuit for maximum and minimum duty cycle tests, current sense tests and power limit tests.
Copyright © 2009, Texas Instruments Incorporated
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