MC34845DEPR2 Freescale Semiconductor, MC34845DEPR2 Datasheet - Page 7

• Manufacturer Part Number: MC34845DEPR2
• Description: IC LED DVR BACKLIGHT 6CH 24QFN
• Manufacturer: Freescale Semiconductor

Specifications of MC34845DEPR2

• Internal Driver: Yes
• Type - Primary: Backlight
• Mounting Type: Surface Mount
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• Frequency: 270kHz ~ 330kHz
• Voltage - Supply: 5 V ~ 21 V
• Voltage - Output: 60V
• Package / Case: 24-UFQFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Operating Supply Voltage: 5 V to 21 V
• Maximum Supply Current: 5 mA
• Maximum Power Dissipation: 3.4 W
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 3. Static and Dynamic Electrical Characteristics (continued)
85°C, unless otherwise noted. Typical values noted reflect the approximate parameter means at T
conditions, unless otherwise noted.
Analog Integrated Circuit Device Data
Freescale Semiconductor
LED DRIVER (CONTINUED)
FAIL PIN
OVER-TEMPERATURE SHUTDOWN
PWM INPUT
WAKE
LOGIC INPUTS (PWM)
LOGIC INPUTS (EN)
LOGIC INPUTS (WAKE)
Off State leakage Current, All Channels
LED Channels Rise and Fall Time
LED Open Protection, Channel Disabled if V
LED Short Protection Voltage, Channel Disabled if V
(channel on time ≥ 10 μs)
Off State Leakage Current
On State Voltage Drop
Over-temperature Threshold (shutdown mode)
PWM Dimming Mode LED Current Control
Input Minimum Pulse PWM Pin (V
Input Frequency Range for PWM Pin
Shutdown Mode Timeout
Input Low Voltage
Input High Voltage
Input Current
Input Low Voltage
Input High Voltage
Input Current (V
Input Low Voltage
Input High Voltage
Input Current
Characteristics noted under conditions V
V
V
I
Rising
Hysteresis
PWM = 3.3 V, f
PWM = 3.3 V, f
PWM = 3.3 V, f
Start-up (Wake Mode)
Operational (Wake Mode)
Start-up (Enable Mode)
Operational (Enable Mode)
SINK
CH
FAIL
= 45 V
= 4.0 mA
= 5.5 V
EN
PWM
PWM
PWM
= 12 V)
= 600 Hz 10% duty;
= 600 Hz 50% duty
= 600 Hz 100% duty
Characteristic
PWM
=3.3 V)
CH
IN
≤ O
= 12 V, V
FDV
CH
≥ S
FDV
OUT
= 35 V, I
OTT
PWM
t
LED
I
SHUTDOWN
I
FAIL_LEAK
Symbol
t
CH_LEAK
PWM_IN
SHUTDOWN
O
S
f
I
I
I
t
V
V
V
V
V
V
V
PWM
SINK
SINK
SINK
CONTROL
R
FDV
STATIC AND DYNAMIC ELECTRICAL CHARACTERISTICS
FDV
IHL
IHL
IHL
= 30 mA, f
OL
ILL
ILL
ILL
/t
F
S
49.5
Min
150
-0.3
-1.0
-0.3
-0.3
-1.0
6.5
9.9
1.6
0.4
DC
1.5
2.1
2.1
= 600 kHz, f
27
-
-
-
-
-
-
-
-
-
-
ELECTRICAL CHARACTERISTICS
Typ
165
100
7.0
0.2
0.2
6.0
50
25
10
50
30
PWM
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
A
= 600 Hz - 40°C ≤ T
= 25°C under nominal
Max
0.55
10.1
50.5
100
1.0
7.5
5.0
0.4
0.5
5.5
1.0
0.5
0.5
5.5
1.0
75
33
21
10
-
-
-
-
-
-
-
Unit
kHz
ms
μA
μA
°C
μA
μA
μA
ns
μs
%
V
V
V
V
V
V
V
V
V
34845
A
7
≤