Filter
Top Products
6
MB3842/MB3845
■
ELECTRICAL CHARACTERISTICS (per 1 ch)
• MB3842/MB3845 (V
IN
= 5 V, Ta = +25°C)
• MB3842 (V
IN
= 5 V, Ta = +25°C)
• MB3845 (V
IN
= 5 V, Ta = +25°C)
Parameter Symbol Condition
Value
Unit
Min. Typ. Max.
Switch resistance R
ON
I
SW
=0.6A — 100 150 mΩ
IN pin input current
I
IN1
I
SW
= 0 A — 350 550 µA
I
IN2
I
SW
= 0.6 A — 1.0 1.5 mA
I
IN3
EN < 0.8V for MB3842,
EN
= V
IN
for MB3845
——1.0µA
UVLO threshold
V
IUH
V
IN
at OC = L → H 2.1 2.3 2.5 V
V
IUL
V
IN
at OC = H → L 1.9 2.1 2.3 V
UVLO hysteresis width V
IUHY
V
IUHY
= V
IUH
– V
IUL
100 200 300 mV
Switch current limit
I
SWH
R
LIM
= 2.0 kΩ 0.42 0.6 0.78 A
I
SWL
R
LIM
= 6.2 kΩ 0.06 0.1 0.14 A
OC sink current
I
OCS
V
OC
= 0.4 V at OC active 2.0 5.0 — mA
I
OCL
V
OC
= 5.0 V at OC non-active — — 1.0 µA
Temperature protection (T
j
)T
LIM
— +125 — — °C
OUT pin rise time t
ON
SS pin: Open
OUT pin: 100 kΩ pull down
— 100 200 µs
OUT pin fall time t
OFF
SS pin: Open
OUT pin: 100 kΩ pull down
—50120µs
Parameter Symbol Condition
Value
Unit
Min. Typ. Max.
ENABLE pin input current
I
ENH
V
EN
= 5 V, I
SW
= 0 A — 5 10 µA
I
ENL
V
EN
= 0 V, I
SW
= 0 A — 0.0 — µA
ENABLE pin threshold
voltage
V
THEN
— 1.45 1.60 1.75 V
V
TLEN
— 1.25 1.40 1.55 V
ENABLE hysteresis width V
ENHY
V
ENHY
= V
THEN
– V
TLEN
100 200 300 mV
Parameter Symbol Condition
Value
Unit
Min. Typ. Max.
ENABLE
pin input current
I
ENH
V
EN
= 5 V, I
SW
= 0 A — 0.0 — µA
I
ENL
V
EN
= 0 V, I
SW
= 0 A — 0.0 — µA
ENABLE
pin input voltage
V
ILEN
—0—0.8V
V
IHEN
—3.0—5.0V