S-1702 Datasheet, PDF (11/45 Pages) Seiko Instruments Inc – Built-in overcurrent protection circuit

SUPER-LOW CURRENT CONSUMPTION 150 mA VOLTAGE REGULATOR WITH BUILT-IN HIGH-ACCURACY VOLTAGE DETECTOR AND RESET INPUT FUNCTION
Rev.2.2_01
S-1702 Series
2. Discharge shunt circuit (discharge shunt function) (S-1702Axx, Bxx, Cxx, Exx, Fxx, Gxx, Jxx, Lxx, Nxx)
Table 8
Item
Symbol
Condition
“L” output, Nch on resistor RLOW
VDS = 0.5 V, VGS = 6.5 V
(Ta = +25°C unless otherwise specified)
Min.
Typ.
Max.
Unit
Test
Circuit
–
100
–
Ω
3
3. Detector output circuit (VDOUT pin)
Table 9
Nch open drain output (S-1702xAx, xDx, xGx)
Item
Symbol
Condition
Output current
IDOUT1
Output transistor: Nch,
VDS = 0.5 V, VDD = 1.2 V
Leakage current
ILEAK
Output transistor: Nch,
VDS = 5.5 V, VDD = 5.5 V
CMOS output (S-1702xBx, xCx, xEx, xFx, xHx, xJx)
Item
Symbol
Condition
Output current
IDOUT2
IDOUT3
Output transistor: Nch,
VDS = 0.5 V, VIN = 1.2 V
Output transistor: Pch,
VDS = 0.5 V, VIN = 5.5 V
(Ta = +25°C unless otherwise specified)
Min.
Typ.
Max.
Unit
Test
Circuit
1.36 2.55
–
mA 7
–
–
100 nA 7
Min.
Typ.
Max.
Unit
Test
Circuit
1.36 2.55
–
mA 7
1.71 2.76
–
mA 8
4. RESX pin (S-1702Axx, Bxx, Cxx, Dxx, Exx, Fxx, Gxx, Hxx)
Table 10
Item
Symbol
RESX pin input voltage “H”^*1 VSH2
RESX pin input voltage “L” VSL2
RESX pin input current “H” ISH2
RESX pin input current “L” ISL2
*1. VOUT(S): set output voltage value
(Ta = +25°C unless otherwise specified)
Condition
Min.
Typ.
Max.
Unit
Test
Circuit
VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ
1.2
–
VIN = VOUT(S) + 1.0 V, RL = 1.0 kΩ
–
–
S-1702xxA −0.1
–
–
V
4
0.3
V
4
0.1 μA 4
VIN = 6.5 V, VRESX = 6.5 V S-1702xxB −0.1
–
S-1702xxC −0.1
–
0.1 μA 4
0.1 μA 4
S-1702xxA −0.1
–
0.1 μA 4
VIN = 6.5 V, VRESX = 0 V S-1702xxB −0.1
–
S-1702xxC −0.1
–
0.1 μA 4
0.1 μA 4
5. Pull-up / pull-down resistor value of ON / OFF pin and RESX pin (S-1702xxB, xxC, xxD, xxE, xxF xxG, xxH, xxJ)
Table 11
Item
Symbol
Pull-up / pull-down resistor RPULL
Condition
–
(Ta = +25°C unless otherwise specified)
Min. Typ.
Max.
Unit
Test
Circuit
–
2.0
–
MΩ 4
11