Absolute Maximum Ratings
RESET
) ................................................................................-0.3V to VLIN
ENABLE
Logic Inputs/Outputs (
, SELECT, WDI,
VLIN ................................................................................................................................................................................-0.3V to 10V
VIN, VREG:
DC Input Voltage .................................................................................................................................................-0.3V to 26V
Peak Transient Voltage (40V Load Dump @ 14V VIN)....................................................................................-0.3V to 54V
VSW Peak Transient Voltage .....................................................................................................................................................54V
COSC, CDelay, COMP,VFB1, VFB2 ..................................................................................................................................-0.3V to VLIN
Power Dissipation.............................................................................................................................................Internally Limited
VLIN Output Current ........................................................................................................................................Internally Limited
VSW Output Current .........................................................................................................................................Internally Limited
RESET
Output Sink Current ..................................................................................................................................................5mA
ESD Susceptibility (Human Body Model)..............................................................................................................................2kV
ESD Susceptibility (Machine Model).....................................................................................................................................200V
Storage Temperature...................................................................................................................................................-65 to 150°C
Lead Temperature Soldering: Reflow (SMD styles only) ..........................................60 sec. max above 183°C, 230°C peak
Electrical Characteristics: 5V ≤ VIN ≤ 26V and -40°C ≤ TJ ≤ 150°C, COUT = 100µF (ESR≤8Ω), CDelay = 0.1µF, RBIAS = 64.9kΩ,
COSC = 390 pF, CCOMP = 0.1µF unless otherwise specified.
PARAMETER
ꢀ General
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IIN Off Current
IIN On Current
IREG Current
6.6V ≤ VIN ≤ 26V, ISW = 0A
6.6V ≤ VIN ≤ 26V, ISW = 1.4A
ILIN = 100mA, 6.6V ≤ VREG ≤ 26V
Guaranteed by design
2.0
70
6
mA
mA
mA
°C
30
Thermal Limit
160
210
ꢀ 5V Regulator Section
VLIN Output Voltage
6.6V ≤ VREG ≤ 26V, 1mA ≤ ILIN ≤ 100mA
4.9
30
5.0
1.2
34
5
5.1
1.5
38
V
V
Dropout Voltage
Overvoltage Shutdown
Line Regulation
(VREG - VLIN) @ ILIN = 100mA
V
6.6V ≤ VREG ≤ 26V, ILIN = 5mA
VREG = 19V, 1mA ≤ ILIN ≤ 100mA
6.6V ≤ VREG ≤ 26V
25
25
mV
mV
mA
dB
Load Regulation
Current Limit
5
120
60
DC Ripple Rejection
14V ≤ VREG ≤ 24V
75
ꢀ RESET Section
Low Threshold (VRTL
)
VLIN Decreasing
VLIN Increasing
4.05
4.20
4.25
4.45
190
4.45
4.70
240
V
V
High Threshold (VRTH
)
Hysteresis
VRTH - VRTL
140
mV
V
Active High
VLIN > VRTH, IRESET = -25µA
VLIN - 0.5
RESET
Active Low
VLIN = 1V, 10kΩ pullup from
VLIN = 4V, IRESET = 1mA
to VLIN
0.4
0.7
V
V
Delay
Invalid WDI
6.25
6.25
8.78
11.0
ms
ms
Power On Delay
VLIN crossing VRTH
2
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
