Datasheet

MAX3353E
USB On-the-Go Charge Pump with Switchable
Pullup/Pulldown Resistors
18 ______________________________________________________________________________________
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
C
s
100pF
R
C
1MΩ
R
D
1.5kΩ
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 11. Human Body ESD Test Models
I
P
100%
90%
36.8%
t
RL
TIME
t
DL
CURRENT WAVEFORM
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
I
r
10%
0
0
AMPERES
Figure 12. Human Body Model Current Waveform
CHARGE-CURRENT-
LIMIT RESISTOR
DISCHARGE
RESISTANCE
STORAGE
CAPACITOR
C
s
150pF
R
C
50Ω to 100Ω
R
D
330Ω
HIGH-
VOLTAGE
DC
SOURCE
DEVICE
UNDER
TEST
Figure 13. IEC 1000-4-2 ESD Test Model
I
100%
90%
10%
t
r
= 0.7ns TO 1ns
I
PEAK
60ns
30ns
t
Figure 14. IEC 1000-4-2 Current Waveform