RT9701
Electrical Characteristics
(V = 5V, C = C
= 1µF, T = 25°C, unless otherwise specified)
A
IN
IN
OUT
Parameter
Input Voltage Range
Symbol
Test Conditions
Min
2.2
--
Typ
--
Max
6
Units
V
V
IN
RT9701CBL
RT9701CB
IL = 1A
100
105
19
130
135
40
45
--
mΩ
µA
Output NMOFET R
R
DS(ON)
DS(ON)
IL = 1A
--
VIN = 3V
--
Supply Current
VIN = 5V
--
23
Output Turn-On Rising Time
Current Limit Threshold
--
400
1.5
RL = 10Ω, 90% Settling
RL = 2Ω
µS
T
R
1.1
2
A
I
LIMIT
VOUT
= 0V, measured
Short-circuit Fold Back Current
--
1.0
--
A
I
OS
prior to thermal shutdown
CE Input High Threshold
CE Input Low Threshold
RT9701CB
RT9701CB
2.0
--
--
--
0.8
1
V
V
--
Shutdown Supply Current RT9701CB
Output Leakage Current RT9701CB
CE = “0”
--
0.1
0.5
1.8
100
130
20
µA
µA
V
I
I
OFF
CE = “0”, VOUT = 0V
--
10
--
LEAKAGE
UVLO
1.3
--
V
IN
V
IN
Under Voltage Lockout
--
mV
°C
°C
Under Voltage Hysteresis
Thermal Limit
--
--
T
SD
Thermal Limit Hysteresis
--
--
∆T
SD
www.richtek-ic.com.tw
DS9701-05 October 2001
4
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
