LM3445-EDSNEV/NOPB National Semiconductor, LM3445-EDSNEV/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM3445-EDSNEV/NOPB
• Description: PROGRAMMERS, DEVELOPMENT SYSTEMS
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM3445-EDSNEV/NOPB

• Current - Output / Channel: 205 ~ 340 mA
• Outputs And Type: 1, Non-Isolated
• Features: Dimmable
• Voltage - Input: 85 ~ 135 VAC
• Utilized Ic / Part: LM3445
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -

14
15
16
17
18
# of LEDs
Output Current versus Number of LEDs for Various Modifications
Note 2: Modification A: R14 = 2.37Ω, R16 = 150kΩ, C3 = 330µF, 63V.
Note 3: Modification B: R14 = 2.2Ω, R16 = 165kΩ.
Note 4: Modification C: R14 = 1.2Ω, R16 = 137kΩ, L3 = 470µH, C3 = 1000µF, 25V.
Note 5: For all applications using greater than 13 LEDs a 330µF, 63V output capacitor (C3) was used.
(Note
(Note
(Note
(Note
(Note
10
11
12
13
2
3
4
5
6
7
8
9
5)
5)
5)
5)
5)
Output Current (mA)
Original Circuit
340
315
300
275
260
245
230
215
205
196
190
183
175
170
Modification A
Output Current (mA)
248
235
222
210
200
190
180
170
164
156
150
142
135
130
(Note
5
2)
Modification B
Output Current (mA)
265
250
237
224
212
200
190
180
170
162
155
148
142
137
(Note
3)
Modification C
Output Current (mA)
520
500
475
455
432
412
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(Note
4)