MAP3204 查看數據表（PDF） - Unspecified
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MAP3204 Datasheet PDF : 11 Pages
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Confidential
Preliminary Datasheet Version 0.0
Electrical Characteristics
Unless noted, VIN = 12V, CIN = 1.0µF, and typical values are tested at TA = 25°C. Boldface values indicate -40°C to +85°C of TA.
3
Parameter
Test Condition
Min
Typ
Max
General Input Output Specifications
VCC
IQ
IGND
VEN
Oscillator
fSW
Dmax
Reference
Input Voltage Range
Quiescent Current
Ground Pin Current in
Shutdown
Logic Input Level on
EN pin
Internal Oscillator
Frequency
Maximum Duty Cycle
7.0
36
Driving FBs at minimum setting with no load
TBD
TBD
VIN = 12V, VEN = 0V
No Load Current on FB-
VEN_L : Logic Low
TA = 25°C
-40°C < TA < 85°C
TBD
TBD
0.8
VEN_H : Logic High
2.0
RFSW=250kΩ
RFSW=100kΩ
180
200
220
450
500
550
85
90
VVDD
10V LDO Voltage
VIN > 12V, No load current
10
Gate Driver
VGATE
Protection
Gate Drive Voltage
VIN > 14V
8
10
12
TSD
Thermal Shutdown
Temperature
VOVP
Over-Voltage Threshold
Level on OVP pin
VSCP
LED Short
Threshold
Protection
VCS
Boost Over Current
Protection Threshold
VOPEN
LED Open Protection
Threshold
LED Current Sink Regulator
VFB1~4
Minimum FB1~FB4 voltage
for the operation to sink
150mA
IFB
Current Accuracy
Km
Current Matching
(Imax-Imin)/ (Imax+Imin)*100
IFB_max
Current Sink max Current
Shutdown Temperature
Hysteresis, ΔTSD
Rising Over-Voltage Limit on OVP pin
Hysteresis, ΔVOVP
FB1 ~ FB4
VFB1-4=0.8V
ISET=150mA
150
25
1.21
1.25
1.29
0.1
5.5
0.5
0.2
0.8
±3
1.5
150
RFBPULLDOWN
Pull-Down Resistance on
FB1~4
100
PWM Interface
fPWM
VPWMI
PWM dimming frequency
Logic Input Level on
PWMI pin
VPWMI_L : Logic Low
VPWMI_H : Logic High
22
0.8
2.2
IPWM
Leakage Current on PWMI
pin
VPWM=1V
2
tPWMON_MIN
Minimum On-Duty
Boost MOSFET Driver
ISINK
Gate Source Current
ISource
TRISE
Gate Sink Current
Gate Output Rising Time
TFALL
Gate Output Falling Time
fPWM=1kHz
10
TBD
TBD
TBD
TBD
.
Unit
V
mA
µA
V
kHz
%
V
V
°C
V
V
V
V
V
%
%
mA
kΩ
kHz
V
µA
us
A
A
ns
ns
Jan. 28th 2011
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