s-1702ecc01-i6t1g Seiko Instruments Inc., s-1702ecc01-i6t1g Datasheet - Page 28

• Manufacturer Part Number: s-1702ecc01-i6t1g
• Description: Ultra-low Current Consumption 150 Ma Voltage Regulator With Built-in High-accuracy Voltage Detector And Reset Input Function
• Manufacturer: Seiko Instruments Inc.

28
ULTRA-LOW CURRENT CONSUMPTION 150 mA VOLTAGE REGULATOR WITH BUILT-IN HIGH-ACCURACY VOLTAGE DETECTOR AND RESET INPUT FUNCTION
S-1702 Series
3. 1. 2 Input voltage (V
3. 1. 3 SENSE voltage (V
Each detector block of S-1702Exx, Fxx, Gxx, Hxx, Nxx, and Pxx detects the input voltage (V
Each detector block of S-1702Jxx and Kxx detects the SENSE voltage (V
Caution Use the SENSE pin as an input pin when detecting the external power supply voltage. If
C
D
*1. S-1702Nxx and S-1702Pxx only
V
SENSE
SS
V
VSS
SS
VIN
Constant
applying an input voltage (V
occurs in the release voltage of the detector. Apply a voltage to the SENSE pin after applying
the input voltage (V
V
current
source
VSS
SS
VIN
Figure 32 Block Diagram (SENSE Voltage (V
Constant
CD
current
source
Figure 31 Block Diagram (Input Voltage (V
*1
V
V
SENSE
IN
V
IN
IN
) detection types (S-1702Exx, Fxx, Gxx, Hxx, Nxx, Pxx)
V
SENSE
ref
V
ref
) detection types (S-1702Jxx, Kxx)
R
R
R
IN
a
b
c
).
R
R
R
+
−
a
b
c
Seiko Instruments Inc.
+
−
N
1
IN
N
) while a potential is being applied to the SENSE pin, an error
1
Delay
circuit
Delay
circuit
V
DOUT
SENSE
IN
V
) Detection Type)
DOUT
Output
) Detection Type)
circuit
Output
circuit
SENSE
).
VDOUT
VDOUT
IN
).
Rev.1.1
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