MITSUMI
1000mA Regulator MM166
F
1000mA Regulator
Monolithic IC MM166
Outline
F
This IC is a small, stable power s...
MITSUMI
1000mA
Regulator MM166
F
1000mA
Regulator
Monolithic IC MM166
Outline
F
This IC is a small, stable power supply with output voltage precision of ±2% (when IO = 500mA), maximum output current of 1000mA, and I/O voltage difference of 0.2V typ. at 500mA. Output noise reduction and output ON/OFF control pins are provided, making it ideal for portable equipment. (HSOP-8)
Features
1. No-load current consumption 2. I/O voltage difference 3. Ripple rejection rate 4. Output current 5. Output noise voltage 6. Output voltage rank 7. Output ON/OFF control 2.5mA typ. 0.2V typ. (IO=500mA) 65dB typ. (f=120Hz, VRIPPLE=1VP-P, IO=250mA) 1000mA max. 45µVrms typ. (Cn=470pF) 1.5 ~ 5.0V (0.1V steps) High ON, Low OFF
Package
HSOP-8, TO-252
Applications
1. Cordless telephone 2. Portable equipment, etc. 3. DVD
Pin Assignment
GND
8
7
6
5
1
2
3
4
HSOP-8
1 2 3 4 5 6 7 8
VOUT NC GND Cn CONT NC NC VIN
VIN TO-252
VO
MITSUMI
1000mA
Regulator MM166
F
Equivalent Circuit Diagram
VIN VOUT
Bias
Cont
Thermal shutdown
Driver
Current limitter
Reference
GND Cn
Pin Description
HSOP-8
Pin No. 1 Pin name VOUT Function Output pin Internal equivalent circuit diagram
VOUT
Error Amp.
2 3 4
NC GND Cn
No connection Ground Noise decrease pin
VOUT Cn
Error Amp.
MITSUMI
1000mA
Regulator MM166
F
Pin No. 5
Pin name Cont
Function Control pin Cont H L Output ON OFF
Internal equivalent circuit diagram
Cont
225k
300k
6 7 8
NC NC VIN
No connection No connection Input pin
V...