LM3559TLX/NOPB National Semiconductor, LM3559TLX/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM3559TLX/NOPB
• Description: LM3559
• Manufacturer: National Semiconductor
• Series: -r

Specifications of LM3559TLX/NOPB

• Constant Current: Yes
• Constant Voltage: -
• Topology: High Side, PWM, Step-Up (Boost)
• Number Of Outputs: 2
• Internal Driver: Yes
• Type - Primary: Flash/Torch
• Type - Secondary: White LED
• Frequency: 1.8MHz ~ 2.2MHz
• Voltage - Supply: 2.5 V ~ 5.5 V
• Voltage - Output: -
• Mounting Type: Surface Mount
• Package / Case: 16-UFBGA
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

I
I
I
V
f
I
I
I
V
V
t
t
V
CL
OUT_SC
LEDI/NTC
SW
Q
SHDN
STBY
TX
D
TRIP
IN_TH
IN_FLASH_TH
F_ADC
Symbol
Switch Current
Limit
Output Short-
Circuit Current
Limit
Indicator Current
Comparator Trip
Threshold
Switching
Frequency
Quiescent Supply
Current
Shutdown Supply
Current
Standby Supply
Current
VIN Monitor
Threshold
VIN Flash Monitor
Threshold
Flash-to-Torch
LED Current
Settling Time
Time from when
I
VLED data is
available
ADC Threshold
LED
Parameter
hits target until
(Note
8)
3.0V
V
Register 0x12, bits[2:0] = 111, 2.7V
V
Configuration Register 1, bit [4] = 1,
3.0V
2.7V
Device Not Switching, V
Device Switching, V
Indicate Mode, Indicator Register Bits
[2:0] = 111,V
2.7V
2.7V
VIN Monitor Register = 0x01
VIN Monitor Register = 0x08
TX_ Low to High,
I
ADC Delay Register Bit [5] = 1
ADC Delay Register Bit [5] = 0
ADC Delay Register Bits [4:0] = 0000
VLED Monitor Register Bits [3:0] = 1111
LED1
OUT
IN
≤
≤
≤
≤
≤
≤
+ I
< 2.3V
4.2V, V
V
V
V
V
V
LED2
IN
IN
IN
IN
IN
≤
≤
≤
≤
≤
= 1.8A to 112.5mA
LEDI/NTC
4.2V
LEDI/NTC
4.2V
5.5V
5.5V
5.5V
Conditions
OUT
= 2V
= 2V
= 4.5V
OUT
5
= 3V
Flash
Duration
Register
Bits [6:5] =
00
Flash
Duration
Register
Bits [6:5] =
01
Flash
Duration
Register
Bits [6:5] =
10
Flash
Duration
Register
Bits [6:5] =
11
HWEN =
GND
HWEN =
V
Register
Bits [1:0] =
00
IN
, Enable
≤
0.97
2.85
2.85
Min
1.2
1.8
2.4
2.9
1.8
4.4
16
1.55
1.25
Typ
350
650
590
250
1.4
2.1
2.7
3.2
2.9
2.9
4.6
18
20
16
1
2
Max
1.03
2.95
2.95
750
1.6
2.3
3.5
2.2
2.4
4.8
20
3
1
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Units
MHz
mA
mA
mA
µA
µA
µA
µA
µs
µs
A
V
V
V
V