NJU7670M NJR, NJU7670M Datasheet - Page 2

• Manufacturer Part Number: NJU7670M
• Description: IC VOLTAGE TRIPLER 14-DMP
• Manufacturer: NJR
• Type: Switched Capacitor (Charge Pump), Doubler, Triplerr

Specifications of NJU7670M

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -8 ~ -18 V
• Current - Output: 20mA
• Frequency - Switching: 2.5kHz
• Voltage - Input: -2.6 ~ -6 V
• Operating Temperature: -20°C ~ 75°C
• Mounting Type: Surface Mount
• Package / Case: 14-DMP
• Power - Output: 300mW
• Function: Step Up
• Output Voltage: - 18 V
• Output Current: 20 mA
• Maximum Operating Temperature: + 75 C
• Minimum Operating Temperature: - 20 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

■ TERMINAL DESCRIPTION
■ FUNCTIONAL DESCRIPTION
- 2 -
(1) Voltage Converter
(2) Voltage Reference Circuit
(3) Voltage Regulator
No.
10
11
12
13
14
1
2
3
4
5
6
7
8
9
triple voltage of the input voltage.
The voltage converter generates double or triple voltage against V
The voltage reference circuit is generating the reference voltage for a voltage regulator.
The voltage regurator output stabilized voltage which regulated by using the external resistor against double or
(3-1)
the signal come from system.
SYMBOL
Output-OFF Function
As this circuit incorporated output-off function, the voltage regulator output (ON/OFF) is performed by
Poff
V
C1+
C2+
V
C1-
C2-
V
NC
NC
RV
NC
NC
V
OUT
DD
reg
IN
Charge Pump Capacitor 1(+) Connecting Terminal
Charge Pump Capacitor 1(-) Connecting Terminal
Charge Pump Capacitor 2(+) Connecting Terminal
Charge Pump Capacitor 2(-) Connecting Terminal
Non Connection
Non Connection
Power Supply Terminal (-)
Voltage Output Terminal
Voltage Regulator Output Terminal
Voltage Regulator Adjustment Terminal
V
Non Connection
Non Connection
Power Supply Terminal (+)
reg
Output ON/OFF Control Terminal
FUNCTION
IN
.
● ON/OFF Control for Vreg Terminal
"H" (Connect to V
"L" (Connect to V
Poff Level
DD
IN
)
)
Vreg Output
Ver.2003-07-18
OFF
ON