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MP4700GS Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP4700GS
Description  High-Brightness, BCM, Low Side Buck White LED Driver
PDF  19 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP4700GS Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP4700 – HIGH-BRIGHTNESS BCM, LOW SIDE BUCK WLED DRIVE WLED DRIVER
MP4700 Rev. 1.0
www.MonolithicPower.com
3
10/29/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN =12VDC, VPWM= 5V, no load on pin DRV, TA = +25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Input Voltage
VIN
DC voltage at Pin VIN
8
18
V
Input Supply Current
(Quiescent)
IINQS
VPWM = 0V
0.6
mA
Input Supply Current
(Operation)
IINRUN
VPWM = 5 V
0.78
mA
VCC Voltage
VCC
VIN=10V (VIN<12V)
7.5
8.5
9.5
V
VCC peak voltage
VCCH
VIN=18V (VIN>12V)
9.8
V
VCC valley voltage
VCCL
VIN=18V (VIN>12V)
9
V
VCC UVLO
VCCUVLO
VIN rising with a DC input
7
7.4
7.8
V
VCC UVLO Hysteresis
VCCHys
VIN falling with a DC input
1
V
PWM Input High Threshold
VPWMH
VPWM rising
1.5
V
PWM Input Low Threshold
VPWML
VPWM falling
0.75
V
PWM Pull-Up Current
IPWM Pull UP VPWM=0V
10.6
uA
Bus Input Voltage UVLO
Threshold
VINUV_th_rising Bus input voltage rising
1.15
1.2
1.25
V
Bus Input Voltage UVLO
Hysteresis
VINUV_hys
Bus input voltage falling
50
86
120
mV
PWM Dimming ON Propagation
Delay
τPWMon_PD
PWM rising edge to Drive rising
edge
1.3
2
us
PWM Dimming OFF
Propagation Delay
τPWMoff_PD
PWM falling edge to Drive falling
edge
230
350
ns
CS Pin Reference Voltage
VREF
-40°C ≤TA ≤+85°C
270
302
330
mV
CS Pin Reference Voltage
VREF
TA=+25°C
285
302
315
mV
Leading Edge Blanking Time
τLEB
200
320
450
ns
CS Bias Current
ICS
VCS=0.3V
-0.5
0
A
Gate Drive Source Current
IDRV Source VDRV=0V
550
mA
Gate Drive Sink Current
IDRV Sink
VDRV=VCC
-1.2
A
Drive Low Level Output Voltage
VDRVL
IDRV=10mA
54
mV
Drive High Level Output
Voltage to Rail
VDRVH
IDRV=-10mA
122
mV
Gate Minimal Turn-On Time
τON_Min
320
450
ns
Max Switching Frequency
fSW Max
160
kHz
Over-Temperature Protection
Threshold
TOTP
150
°C
Over-Temperature Protection
Threshold Hysteresis
TOTP_Hys
30
°C
Output Short Shut Down Time
τshut-down
2.8
ms



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