MAX5008 Maxim Integrated Products, MAX5008 Datasheet - Page 4

• Manufacturer Part Number: MAX5008
• Description: MAX5008 Regulated 5V Usb Charge Pump With Programmable Current Limit
• Manufacturer: Maxim Integrated Products

Regulated 5V USB Charge Pump with
Programmable Current Limit
4
(V
IN
100
_______________________________________________________________________________________
90
80
70
60
50
40
30
20
10
= 3V, C
0
1
V
IN
= 2.95V
IN
= 4.7µF, C
vs. LOAD CURRENT
LOAD CURRENT (mA)
10
EFFICIENCY
3.6V
3.1V
V
IN
= 3.3V
A: INPUT VOLTAGE: 500mV/div
B: OUTPUT VOLTAGE: AC-COUPLED, 100mV/div
X
I
LOAD
= 0.47µF, C
100
LINE-TRANSIENT RESPONSE
= 100mA
40µs/div
OUT
1000
= 4.7µF, C
Typical Operating Characteristics (continued)
MAX5008 toc07
EXT
OUTPUT WAVEFORM
= 4.7µF, R
A
B
200ns/div
100mA
10mA
CS
A: LOAD CURRENT
B: OUTPUT VOLTAGE: AC-COUPLED, 100mV/div
= 0.4Ω, T
MAX5008 toc05
LOAD-TRANSIENT RESPONSE
A
10mV/div
= +25°C, unless otherwise noted.)
40µs/div
5V
5V
0
0
MAX5008 toc08
SHUTDOWN TIMING
A
B
1ms/div
R
L
MAX5008 toc06
= 46Ω
V
SHDN
OUT