lm8850urx National Semiconductor Corporation, lm8850urx Datasheet - Page 6

• Manufacturer Part Number: lm8850urx
• Description: High-performance, Step-up Dc-dc Converter For High- Power Applications In Mobile Devices
• Manufacturer: National Semiconductor Corporation

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Typical Performance Characteristics
= TDK EDLC272020–501–2F-50).
1,000
Efficiency Room temp, 100 mV PFM ripple
-200
800
600
400
200
420
400
380
360
340
320
300
280
260
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
-40°C
25°C
85°C
-40°C
25°C
85°C
I
q
Shutdown
I
q
V IN (V)
, PWM
VIN (V)
30113232
30113245
30113243
6
Unless otherwise noted: V
Efficiency over PFM ripple, V
Efficiency, V
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
2.0
2.5
I
-40°C
25°C
85°C
q
3.0
, PFM, No Load
OUT
OUT
= 5V, PWM Mode, 25°C
3.5
= 5.0V, T
VIN (V)
4.0
IN
= 3.9V, Room Temp
A
4.5
= 25°C, Supercapacitor
5.0
5.5
30113236
30113233
30113242